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DB2 f iDB2 for iUpdate Trends and DirectionsUpdate, Trends and DirectionsMike CainIBM DB2 f i C f E llIBM DB2 for i Center of ExcellenceRochester, MN [email protected]

© 2008 IBM Corporation

DB2 Familyz/OS, i, Linux/Unix/Windows (LUW)

Managing family compatibility Information Management Architecture Board SQL Language CouncilSQL Language Council

Common design, algorithms, and code sharing where possible

Two Types of Differences Short term differences based on different release dates and

different customer priorities Long term differences based on Operating System differences Long term differences based on Operating System differences

(Isolated to database configuration, management, and utilities)

IBM DB2 Cross Platform Reference http://www.ibm.com/developerworks/db2/library/techarticle/db2co

mmon/


DB2 for i – How is it different from other DB2sDB2 for i How is it different from other DB2s

Not a separate product – integrated into System i

Not a separate chargeNot a separate charge

Release number is not the same

Native and SQL InterfacesNative and SQL Interfaces

Easier to use and maintain

Management GUI is S stem i Na igatorManagement GUI is System i Navigator


DB2 for i Major Strengths

Openness and standards Interoperability Performance

l b l Scalability Security

N ti l l t National language support Ease of use and management


An Open DatabaseAn Open Database

ANS, ISO, FIPS, and JIS SQL StandardANS, ISO, FIPS, and JIS SQL StandardOpen Group - Distributed Relational Database ArchitectureOpen Group - XA Resource Manager APIs ANS and ISO SQL Call Level InterfaceANS d ISO SQL d E t l P d ANS and ISO SQL and External Procedures UCS-2, UTF-8, UTF-16 (Unicode - ISO 10646)ODBCJDBCOLE and ADO.NETUS Government C2 SecurityEuro Character support

Oracle 10g

ISO/ANS SQL Standard - Core

Euro Character support...

DB2 for z/OS

Microsoft SQL Server 2005

DB2 for i

DB2 for LUW


0 10 20 30 40 50 60 70 80 90

Interoperability – DRDAp y

DB2 for z/OS DB2 for z/O SDB2 for VM and VSEDB2 for VM and VSE

DB2 for iDB2 for AIXDB2 for HP-UX DB2 for Sun SolarisDB2 for W indows

DB2 for VM and VSEDB2 for iDB2 for AIXDB2 for HP-UX DB2 for Sun SolarisDB2 for W indowsDB2 f Li i

DDM/DRDAP l

DDM/DRDA P t lDB2 for Liniux

Inform ix Txaction

Attachm ateGrandview

DB2 for Lin iux

Server and Client

ProtocolsProtocols

HiT SoftwareMicrosoftOracleRocketStarQuestSybase/MDI

FileTek, Inc.G randview P latinum Technology Inc. XDB System s

W all DataXDB System s

Oracle and Microsoft do not

Application Server (Data)support DRDA as a Server


System i - Logical Partitioning (LPAR)System i Logical Partitioning (LPAR)

DB2 for i DB2 for LinuxDB2 for i DB2 for AIX DB2 for Windows

JDBC JDBC JDBC JDBCJDBCCLI

DRDADDM

JDBCODBCDRDA

JDBCDRDA

JDBCODBC

OLE DB.NETDRDA

Power Server

LPAR LPAR LPAR LPAR IXS/IXA


DB2 for i: Strategy and GoalsDB2 for i: Strategy and Goals

Preserve your development investments

Get more out of the OS and DBMS

Ease of use, ease of management

Support data-centric programming and information pp p g gmanagement

SQL is the strategic language and interface for DDL, DML and PSM

SQL is the strategic language and interface


On the WebOn the Web

DB2 for i Home Page http://www.ibm.com/systems/i/software/db2/

System i Advantages http://www-1.ibm.com/systems/i/advantages/

System i Access y http://www.ibm.com/systems/i/access/

DB2 for i Java http://www.ibm.com/systems/i/software/db2/javadb2.html

Education and PublicationsEducation and Publications http://www.ibm.com/systems/i/ - Click on Education

http://publib.boulder.ibm.com/iseries/

Newsgroups and Forums comp.databases.ibm-db2comp.databases.ibm db2 comp.sys.ibm.as400.misc groups

Questions can be sent to: [email protected]


DB2® for i 6.1 Enhancements


6 1 SQL Enhancements 6.1 SQL Enhancements

Queries Schema statements (DDL)Queries Grouping Sets and Super groups VALUES in FROM INSERT in FROM

Schema statements (DDL) Decimal Float Expressions in Indexes ROW CHANGE TIMESTAMP

Data Change statements (DML)E t d d I di t V i bl V l

Full Outer Join Hidden Columns NCHAR, NVARCHAR, and NCLOB ALTER FUNCTION

Ignore unsupported syntax Extended Indicator Variable Values Skip Locked Data

S l F ti

Ignore unsupported syntax SYSTOOLS/SYSIBMADM FOR EACH STATEMENT INSTEAD OF trigger

Mi llScalar Functions TIMESTAMP_FORMAT and

VARCHAR_FORMAT enhancements LOCATE function fix (PTF)

Miscellaneous Statistics catalog views (V5R4 PTF) CLIENT special registers FOR BIT DATA and binary compatibility

ENCRYPT_AES

ASCII (UTF-8 result)

MONTHS_BETWEEN, ROUND TIMESTAMP and

FOR BIT DATA and binary compatibility Output parameter support for

heterogeneous CALL BX literals


ROUND_TIMESTAMP, and TRUNC_TIMESTAMP

GROUPING SETSGROUPING SETS

Produce the result based on two different grouping sets of rows from the SALES table.

SELECT WEEK(SALES_DATE) AS WEEK,DAYOFWEEK(SALES_DATE) AS DAY_WEEK,SALES_PERSON,SUM(SALES) AS UNITS SOLD

Prior to this support you would have to run multiple queries

SUM(SALES) AS UNITS_SOLDFROM SALESWHERE WEEK(SALES_DATE) = 13GROUP BY GROUPING SETS( (WEEK(SALES_DATE), SALES_PERSON),

(DAYOFWEEK(SALES DATE) SALES PERSON) )

CUBE and ROLLUP included in this support

(DAYOFWEEK(SALES_DATE), SALES_PERSON) )ORDER BY WEEK, DAY_WEEK, SALES_PERSON

The rows with WEEK 13 are from the first grouping set and the other rows are from the second grouping set.


VALUES in FROMVALUES in FROM

Form the cross product of this table ″X″ with the SALES table. This add columns ″R1″ and ″R2″ to every row add columns R1 and R2 to every row.

SELECT R1, R2, WEEK(SALES_DATE) AS WEEK, DAYOFWEEK(SALES DATE) AS DAY WEEK

Equivalent to creating a temporary table, inserting rows, and then

DAYOFWEEK(SALES_DATE) AS DAY_WEEK,MONTH(SALES_DATE) AS MONTH, REGION, SALES AS UNITS_SOLD

FROM SALES ( VALUES(‘GROUP 1’ ’GROUP 2’) ) AS X (R1 R2)

using the temporary table in the query

FROM SALES, ( VALUES( GROUP 1 , GROUP 2 ) ) AS X (R1,R2)


INSERT in FROMINSERT in FROMInsert customer numbers into the new SALES table that has an identity column and return the

generated values.

CREATE TABLE SALES2 (SALES_ID INTEGER AS IDENTITY, SALES_DATE DATE DEFAULT CURRENT DATE, SALES_PERSON FOR COLUMN SALES00001 VARCHAR(15) ,

No easy way to return generated values prior to this supportREGION VARCHAR(15),

SALES INTEGER );

SELECT *

to this support

FROM FINAL TABLE ( INSERT INTO SALES2 ( SALES_DATE, SALES_PERSON, REGION, SALES )SELECT * FROM SALES )

ORDER BY INPUT SEQUENCE;


EXTENDED INDICATOR VALUESEXTENDED INDICATOR VALUES

Get the next row in the transaction table for update and skip any rows that are currently locked.

EXEC SQL DECLARE x CURSOR WITH EXTENDED INDICATORS FOR SELECT * FROM corpdata.transaction;

EXEC SQL OPEN x; EXEC SQL FETCH INTO i d

Prior to this support you would have to update all columns or would have to

diff t UPDATEEXEC SQL FETCH x INTO :trans:inds; … inds1 = -5; EXEC SQL UPDATE corpdata.transaction

SET TRANSOPERATION t i d 1

use a different UPDATE statement for every combination of columns you wanted to update.SET TRANSOPERATION = :top:inds1,

CUSTOMERID = :cid:inds2, TRANSINFO = :top:inds3

WHERE CURRENT OF x; EXEC SQL CLOSE x;

y p

Applies to UPDATE and INSERT VALUES, also allowed on PREPARE.EXEC SQL CLOSE x;

Indicator Values Meaning0 Value is provided0 Value is provided-1, -2, -3, -4, and -6 Null value-5 Default value-7 Column is treated as if it had not been

specified in the statement


specified in the statement.

DECIMAL FLOATDECIMAL FLOAT

New numeric data type with attributes of both decimal and floating point – IEEE 754R

CREATE TABLE mjatst.table1 (c1 DECFLOAT(16)

New numeric data type ith t d dc1 DECFLOAT(16) ,

c2 DECFLOAT(34) );with extended accuracy and performance.

DECFLOAT(16) DECFLOAT(34)

Guarantees 16 digits of precision Guarantees 34 digits of precisionGuarantees 16 digits of precision Guarantees 34 digits of precision

8 bytes long 16 bytes long

Exponent range 10-383 to 10384 Exponent range 10-6143 to 106144

Infinity – NaN – SNaN special values Infinity – NaN – SNaN special values


Expressions and Selection in IndexesExpressions and Selection in Indexes

CREATE INDEX mjatst index1 ON mjatst table1CREATE INDEX mjatst.index1 ON mjatst.table1(c1*c2) ;

CREATE INDEX mjatst.index2 ON mjatst.table1(c1*c2)

WHERE c1 > 14;

SQL create index enhancements for key expressions and sparseexpressions and sparse indexes.

SQE can use indexes with expressions butwith expressions, but does not provide support for sparse indexes yet


ROW CHANGE TIMESTAMPROW CHANGE TIMESTAMPCREATE TABLE mjatst.table4 (

c1 INT,c2 VARCHAR(20), New standard way of c3 TIMESTAMP NOT NULL IMPLICITLY HIDDEN

FOR EACH ROW ON UPDATE AS ROW CHANGE TIMESTAMP );

INSERT INTO mjatst.table4 (c1, c2) VALUES

(1, ‘FIRST’), (2, ‘SECOND’), (3, ‘THIRD’);

updating a timestamp column on any update or insert.

(1, FIRST ), (2, SECOND ), (3, THIRD ); SELECT c1, c2, c3 FROM mjatst.table4;

UPDATE mjatst.table4 SET c1 = 4, c2 = ‘FOURTH’ WHERE C1 = 1;SELECT c1, c2, c3 FROM mjatst.table4;


Hidden Columns Hidden Columns CREATE TABLE mjatst.table3 (

c1 INT,c2 VARCHAR(20),c2 VARCHAR(20),c3 TIMESTAMP IMPLICITLY HIDDEN;

INSERT INTO mjatst.table3 (c1, c2, c3) VALUES

(1, ‘FIRST’, CURRENT TIMESTAMP),

(2 ‘SECOND’ CURRENT TIMESTAMP) New standard way of “hidi ” l h(2, SECOND , CURRENT TIMESTAMP),

(3, ‘THIRD’, CURRENT TIMESTAMP); SELECT * FROM mjatst.table3;

“hiding” a column when querying all columns.

SELECT c1, c2, c3 FROM mjatst.table3;


FULL OUTER JOINFULL OUTER JOIN

J i th t bl th PROD# l t t t bl f ll t d d t Join the tables on the PROD# column to get a table of all parts and products, showing the supplier information, if any.

SELECT PART, SUPPLIER

Equivalent to UNION ALL of LEFT OUTER SUPPLIER,

PARTS.PROD#, PRODUCT

FROM PARTS FULL OUTER JOIN PRODUCTS ON PARTS PROD# = PRODUCTS PROD#;

JOIN and RIGHT EXCEPTION JOIN

FULL OUTER JOIN PRODUCTS ON PARTS.PROD# = PRODUCTS.PROD#;


COMMENT and LABEL EnhancementsCOMMENT and LABEL Enhancements

COMMENT ON CONSTRAINT mjatst.cst IS ‘A long description up to 2000 bytes’;

LABEL ON CONSTRAINT mjatst.cst IS ‘A short description up to 50 bytes’;

LABEL ON FUNCTION mjatst.fun IS ‘A short description up to 50 bytes’;

LABEL ON PROCEDURE mjatst.prc IS ‘A short description up to 50 bytes’;

LABEL ON ROUTINE mjatst.rtn IS ‘A short description up to 50 bytes’;

LABEL ON TRIGGER mjatst.trg IS ‘A short description up to 50 bytes’;

LABEL ON TYPE mjatst.typ IS ‘A short description up to 50 bytes’;

Add descriptive information to constraints, routines, and triggers.


SKIP LOCKED DATASKIP LOCKED DATA

Get the next row in the transaction table for update and skip any rows that are currently locked.

DECLARE X CURSOR FOR SELECT * FROM transaction WITH CSSKIP LOCKED DATA

OPEN X;

Prior to this support you would have waited on locks

OPEN X; FETCH X INTO …


SQL Enhancements – Scalar FunctionsSQL Enhancements Scalar Functions

Datetime Functions

TIMESTAMP_FORMAT Returns a timestamp from a character string representation of a timestamp according to the specified format of the string.

VARCHAR FORMAT R t h t t i t ti f ti t ith th

Datetime Functions

VARCHAR_FORMAT Returns a character string representation of a timestamp, with the string in a specified format

MONTHS_BETWEEN Returns an estimate of the number of months between two dates

ROUND TIMESTAMP Returns a timestamp rounded to the specified unit ROUND_TIMESTAMP Returns a timestamp rounded to the specified unit.

TRUNC_TIMESTAMP Returns a timestamp truncated to the specified unit.

String Functions

ASCII Returns the ASCII code value of the leftmost character of the argument as an integer

CHR R t th h t th t h th ASCII d l ifi d b th

g

CHR Returns the character that has the ASCII code value specified by the argument.

ENCRYPT_AES Encrypts a string using the AES encryption algorithm


NCHAR NVARCHAR NCLOBNCHAR, NVARCHAR, NCLOB

CREATE TABLE mjatst.table2 (c1 NCHAR(10),c2 NVARCHAR(20),c3 NCLOB(1M) );

New standard way of specifying UTF-16.

NATIONAL CHARACTER NATIONAL CHARNCHAR NATIONAL CHARACTER (n)

GRAPHIC (1) CCSID 1200

GRAPHIC (n) CCSID 1200NATIONAL CHAR (n)NCHAR (n)

NATIONAL CHARACTER VARYING (n)NATIONAL CHAR VARYING (n)

VARGRAPHIC (n) CCSID 1200

NCHAR VARYING (n)NVARCHAR (n)

NATIONAL CHARACTER LARGE OBJECT NCHAR LARGE OBJECT

DBCLOB (1M) CCSID 1200NCHAR LARGE OBJECTNCLOBNATIONAL CHARACTER LARGE OBJECT (n)NCHAR LARGE OBJECT (n)NCLOB (n)

DBCLOB (n) CCSID 1200


O ( )

ALTER FUNCTIONALTER FUNCTION

ALTER FUNCTION j t t f 1 ALTER FUNCTION mjatst.func1

ALTER NOT DETERMINISTIC

RETURNS NULL ON NULL OUTPUT;

Change a function without having to reissue grants.

ALTER FUNCTION mjatst.func1

REPLACE (p1 VARCHAR(10)) RETURNS INT

BEGING

DECLARE x INT;

RETURN (SELECT MAX(LENGTH) FROM QSYS2.SYSCOLUMNS

WHERE DATA_TYPE = p1);

END;


Ignore unsupported syntaxIgnore unsupported syntax

CREATE TABLESPACE TS1 MANAGED BY DATABASE USING (device ’/dev/rcont $N’ 20000)

SQLSTATE: 01505SQLCODE: +143Message: Statement CREATE TABLESPACE ignored.

CREATE TABLE mjatst.newt1 (c1 INT) INDEX IN ts1SQLSTATE: 01680

SQLCODE: +20367

Message: Clause INDEX IN ignored.

Statements and clauses that will never be necessary on i are

Message: Clause INDEX IN ignored.

CREATE TABLE mjatst.t1 (c1 INT) IN ts1

SQLSTATE: 42704

SQLCODE: 204 necessary on i are ignored making ports easier.

SQLCODE: -204

Message: TS1 in MJA type *NODGRP not found.


FOR EACH STATEMENT INSTEAD OF triggerFOR EACH STATEMENT INSTEAD OF trigger

CREATE TRIGGER mjatst.trgins1 INSTEAD OF INSERT ON mjatst.v1

FOR EACH STATEMENT

BEGIN

…

END;

Allow INSTEAD OFAllow INSTEAD OF triggers to be FOR EACH STATEMENT.

PTFed to V5R4


BX LiteralsBX Literals

CREATE TABLE qtemp.binary1 (c1 VARBINARY(1000));

INSERT INTO qtemp.binary1 VALUES( BX’A1B2C3D4’ );

Alternative method of specifying binary

SYSTOOLS and SYSIBMADM

specifying binary constants.

SYSTEM PATH changes for SQL naming:

″QSYS″ ″QSYS2″ ″SYSPROC″ ″SYSIBMADM″ ″th l f th th i ti ID f th t t t″

S S OO S a d S S

Two new system schemas to house

″QSYS″, ″QSYS2″, ″SYSPROC″, ″SYSIBMADM″, ″the value of the authorization ID of the statement″

schemas to house future information.


Statistics Catalog ViewsStatistics Catalog Views

SYSCOLUMNSTAT Contains one row for every column in a table partition or table member and one row for every column statistics collection.

SYSPARTITIONINDEXSTAT Contains one row for every index built over a table partition or table member.

SYSPARTITIONSTAT Contains one row for every table partition or table member.

SYSTABLEINDEXSTAT Contains one row for every index that has at least one partition or member built over a table. If the index is over more than one partition or member, the statistics include all those partitions and members.

SYSTABLESTAT Contains one row for every table that has at least one partition or member. If the table has more than one partition or member, the statistics include all partitions and members.

New views allow simple access to statistics.

SELECT table_schema, table_name, table_partition, number_rows, number_deleted_rows

FROM QSYS2 SYSPARTITIONSTAT

These were PTFed to V5R4FROM QSYS2.SYSPARTITIONSTAT

WHERE table_schema = ‘MJATST’


Statistics Catalog ViewsStatistics Catalog ViewsSYSINDEXSTAT Contains one row for every SQL index. Use this view when you want to see information for a

specific SQL index or set of SQL indexes. The information is similar to that returned via Show Indexes in System i Navigator.

SYSMQTSTAT Contains one row for every materialized table. Use this view when you want to see information Q y yabout a specified materialized query table or set of materialized query tables. The information is similar to that returned via Show Materialized Query Tables in System i Navigator.

SYSPACKAGESTAT Contains one row for each SQL package in the SQL schema.

SYSPARTITIONINDEXES Contains one row for every index built over a table partition or table member Use this view SYSPARTITIONINDEXES Contains one row for every index built over a table partition or table member. Use this view when you want to see index information for indexes built on a specified table or set of tables. The information is similar to that returned via Show Indexes in System i Navigator.

SYSPARTITIONMQTS Contains one row for every materialized table built over a table partition or table member. Use this view when you want to see materialized query table information for materialized tables this view when you want to see materialized query table information for materialized tables built on a specified table or set of tables. The information is similar to that returned via Show Materialized Query Tables in System i Navigator.

SYSPROGRAMSTAT Contains one row for each program, service program, and module that contains SQL statements.

New views allow

SELECT package_schema, package_name, package_type, number_statements, package_used_sizeFROM QSYS2.SYSPACKAGESTATWHERE package_schema LIKE ‘Q%’

simple access to statistics.

NOT PTFed


CLIENT Special RegistersCLIENT Special RegistersCURRENT CLIENT_ACCTNG Contains the value of the accounting string from the client information specified for

this connection.

CURRENT CLIENT_APPLNAME Contains the value of the application name from the client information specified for this connection.

CURRENT CLIENT_PROGRAMID Contains the value of the client program ID from the client information specified for this connection.

CURRENT CLIENT_USERID Contains the value of the client user ID from the client information specified for this connection.

CURRENT CLIENT_WRKSTNNAME Contains the value of the workstation name from the client information specified for this connection.

Provides the ability to The values of the special registers can be changed through:• The Set Client Information (SQLESETI) API

SELECT CURRENT CLIENT_ACCTNG AS "Client Accounting",

" l l "

track the real user and application. Besides direct access, database monitor will capture the values and

• The Set Client Information (SQLESETI) API.• In CLI, the SQLSetConnectAttr() API.• In JDBC, the setClientInfo connection method.

CURRENT CLIENT_APPLNAME AS "Client Application",

CURRENT CLIENT_PROGRAMID AS "Client Program",

CURRENT CLIENT_USERID AS "Client User",

CURRENT CLIENT_WRKSTNNAME AS "Client Workstation“ FROM sysibm.sysdummy1;

will capture the values and Current SQL for a job will show values.


Interoperability – DRDA Interoperability DRDA

DB2 for z/OSDB2 f VM d VSE

DB2 for z/OSDB2 for VM and VSEDB2 for iDB2 for AIXDB2 for HP-UX DB2 for Sun SolarisDB2 for W indowsDB2 f Li i

DB2 for VM and VSEDB2 for iDB2 for AIXDB2 for HP-UX DB2 for Sun SolarisDB2 for W indows

DDM/DRDA Protocols

DDM/DRDA Protocols

DB2 for Liniux Inform ix Txaction

Attachm ateGrandview HiT S ft

DB2 for W indowsDB2 for Liniux Server and Client

HiT SoftwareMicrosoftOracleRocketStarQuestSybase/MDIW ll D t

FileTek, Inc.Grandview Platinum Technology Inc. XDB S t

6.1DDM and DRDA IPv6DRDA Identity tokensDRDA LOB OptimizationsW all Data

XDB System s XDB Systems DRDA LOB Optimizations

DRDA Authentication MethodsDRDA Scrollable CursorsOutput parameter support for heterogeneous CALL

ApplicationServer (Data)Oracle and Microsoft do not

t DRDA S


support DRDA as a Server

6 1 Application Development6.1 Application Development

CLI Alias support in Metadata APIs

Native JDBC

JDBC 4 0 as suppo t etadata s Row-wise array INSERT Wide APIs

JDBC 4.0

CLI Handle Threshold Exit

Embedded SQL JDBC JDBC 4.0 Alias support in Metadata APIs Returning DEFAULT

Embedded SQL RPG Precompiler Variable Scoping Precompiler IFS support Unicode support in COBOL

Returning DEFAULT Return update counts

XDA

RUNSQLSTM IFS support

SQL Server Mode Serviceability improvements

NET

Run SQL Scripts flagger

.NET Multiple-row INSERT Additional data type support Visual Studio integration


g Distributed transaction support Exploit ADO.NET 2.0

SQL Query Engine (SQE) SQL Query Engine (SQE)

SQE CharacteristicsSQE Characteristics Parallel to Normal Release Enhancements Object Oriented Design Enhanced Performance primarily for complex queries Enhanced Optimization Engine

Virtually all SQL queries use

SQE! Enhanced Optimization Engine Enhanced Statistics Encoded Vector Indexes Enhancements

SQE Delivery

SQE!

SQE DeliveryFirst Wave V5R2 GASecond Wave mid-V5R2 Third Wave V5R3 GAF th W id V5R3 6.1 SQE (Stage 6)

CCSID translation support Lateral Correlation UDTF support

Fourth Wave mid-V5R3 Fifth Wave V5R4 GA

UDTF support Significant optimization time improvements Other miscellaneous performance


6 1 Performance

SQL Runtime Performance Improvements

6.1 Performance

Host Server Variable Length compression (V5R4 PTF) SQL CALL cache improvements Optimization time improvements Long name resolve Long name resolve Large page use (64K)

Database Maintenance Performance Improvementsp ALWCANCEL(*YES) Reorganize No Longer Requires *EXCL Lock Reorganize and LOB segment crossers (V5R4 PTF) ALTER TABLE performance

D t b ild EVI (V5R4 PTF) Do not rebuild EVIs (V5R4 PTF) Preserve indexes in tables with LOBs (segment crossers)

SQL Performance Tools ImprovementsSQL Performance Tools Improvements Performance Monitor Improvements

3010 fixes and Unicode 1000 records for non-SQL


Filter by port number and ipV6

6 1 Increased Limits6.1 Increased Limits

SQL Application and Runtime Limits 64K result row length (partial – V5R4 PTF) 128-byte cursor and statement names

M th 120 l i GROUP BY More than 120 columns in GROUP BY Larger in-use table

Database Object Limits Number of schemas - number of dependent logicals – (partial V5R4 PTF) Increase ALTER TABLE number of dependents supported Increase Save number of dependents supported


6 1 Availability/Recovery6.1 Availability/Recovery

Database O tl l i l fil d MQT t Outlaw logical file and MQT restore

XA and DDL improvements

Quiesce transactions for XSM Switchover

Serviceability improvements Serviceability improvements

Eliminate package corruption (V5R4 PTF)

Journaling Statistics DDL entries

Implicit library journaling (STRJRNLIB, ENDJRNLIB, SQL CREATE SCHEMA)

End Journal While Open

Start and End Journal *ALL objects in a library

Merge APYJRNCHG and APYJRNCHGX

Change journal exit point (QIBM QJO CHG JRNRCV) Change journal exit point (QIBM_QJO_CHG_JRNRCV)

List eligible but unprotected access paths (DSPRCYAP)

Miscellaneous recovery improvements


6 1 System i NavigatorOn Demand Performance Center

• Copy to spreadsheet• Customization for Analyze• Condensed Advice (PTF)

6.1 System i Navigator

• Plan Cache Event Monitor• Plan Cache properties and resize• Fast summary compare• Reset last used date and stats• Monitor filters - Storage Governor & Port• Monitor filters Storage Governor & Port• Show statements enhancements• Visual Explain while running• Additional SQL Job Information

Health Center• Environmental limits• Package and procedure in Size Limits• File activity• Journals and receivers in Overview• Journals and receivers in Overview

Database Management • Schema based info• Show object locksShow object locks• Label and Comment cleanup

Run SQL Statements• Automatic flagger


gg• Save to spreadsheet• Save to source member • Save to UTF-8

DB2 for iDB2 for iWhat’s New Since 6.1


Web Based Query and Reporting

Web-based query and report writing product that replaces IBM Query for iSeries (Query/400)

Base Product

Q y p g

Base Product

Report and graphing Assistants

Power Painter

Spreadsheet integration

W b bl Q /400 t Web-enable Query/400 report

DB2 for i cross system Queries

Additional IBM Features

Active Reports (Disconnected)

On Line Analytical Processing

Developer’s Workbench

Advanced metadata creation

SQL Wizard

HTML Layout Painter

Additional Add-On Available

ERP System Integration

250+ Database/Cube/Mining Connectors

F d il f h // ib / /i/db2

/ / g

Extract/Transformation/Load

Visual Discovery

MS Excel Add-In

Automatic Report Distribution / Intelligent Bursting


For more details, refer to: http://www.ibm.com/systems/i/db2 Automatic Report Distribution / Intelligent Bursting

IBM DB2 Web Query for i IBM DB2 Web Query for i Report Broker

Additional product IBM DB2 Web Query for i Easy to use graphical scheduler for

automating report execution in the background background

Schedule reports to run on daily, weekly, monthly, or certain days of the week. Specify blackout dates when reports should NOT be runG t t i diff t f t Generate reports in many different formats, including PDF, spread-sheets, or as an “active” report with the Active Reports feature of DB2 Web Query

Automate the report distribution function i il t i l lti l via email to single users or multiple users

through a distribution list Intelligently burst the reports to send

sections of the report to regional managers with only data pertinent to their job/region



For more details, refer to: http://www.ibm.com/systems/i/db2

IBM DB2 Web Query for i Q ySoftware Development Kit (SDK)

Additional product IBM DB2 Web Query for i

Enables application integration of the h h freporting environment through a set of

SOA-based Web Services

Customize a web application to work with DB2 Web Query and Report Broker functions

Invoke these functions from an existing application

Link to a report from a URL within a portal interface interface



For more details, refer to: http://www.ibm.com/systems/i/db2

MySQLMySQL

Most popular open source DBF tl d ith PHP Frequently used with PHP

Two stages Stage 1

Runs AIX version of MySQL in PASE with Support by MySQL

Uses existing Storage engines (MyISAM)

Stage 2

Custom storage engine that integrates MySQL with DB2 for i


OmniFind Text Search Server for DB2 for i

No-charge offering (5733-OMF)

Quickly search text in DB2 columns with advanced linguistic methods

OmniFind can index and search: Adobe PDF

Rich Text Format (RTF)

HTML

XML

Lotus 123

Lotus Freelance Lotus Freelance

Lotus WordPro

Microsoft Excel

Microsoft PowerPoint

Microsoft Word

Open Office 1.1 & 2.0

JustSystems Ichitaro


DB2® for i Post 6 1 DB2® for i Post 6.1 Enhancements


Post V5R4 GA EnhancementsPost V5R4 GA EnhancementsPerformanceValidate Constraints without Checking

Systems Management

SQL Server Mixed Mode for Batch Processing • V5R4 - Database Group SF99504 Version 18• 6.1 - Database Group SF99601 Version 6

Preserve EVI Indexes on ALTER • V5R4 - Database Group SF99504 Version 19 (planned)

• V5R4 - Database Group SF99504 Version 19 (planned)• 6.1 - Database Group SF99601 Version 8 (planned)

Allow QSQSRVR jobs in a User Subsystem • V5R4 - Database Group SF99504 Version 18• V5R4 - Database Group SF99504 Version 19 (planned)

• 6.1 - In the base release

CPYFRMIMPF performance • V5R4 - Database Group SF99504 Version 19 • 6.1 - Database Group SF99601 Version 8

• V5R4 - Database Group SF99504 Version 18• 6.1 - Database Group SF99601 Version 8 (planned)

Add “Server Mode Connecting Job” to QUSRJOBI() and System i Navigator

Materialize Member List Seize • V5R4 - Database Group SF99504 Version 20

• 6.1 – Database Group SF99601 Version 9 (planned) Audit and Security

• V5R4 - Database Group SF99504 Version 18

• 6.1 - Database Group SF99601 Version 7

Solid State Disks (SSD)

V5R4 - Database Group SF99504 Version 21 and 22 (planned)

6 1 Database Group SF99601 Version 9 and 10

Audit and Security

SECURE columns • V5R4 - Database Group SF99504 Version 19 (planned)

• 6.1 - Database Group SF99601 Version 8 (planned) 6.1 – Database Group SF99601 Version 9 and 10

(planned)


Check the DB2 for i Home Page

Post 6 1 GA EnhancementsPost 6.1 GA Enhancements

PerformanceSQL P d P f E h t SQL Procedure Performance Enhancements • Database Group SF99601 Version 7

PROGRAM TYPE SUB on CREATE PROCEDURE (SQL) • Database Group SF99601 Version 7

A dit d S it

Function

Allow Unqualified SRVPGM Names for Routines Database Group SF99601 Version 8

Database Group SF99601 Version 7

Audit and Security

RUNSQLSTM/STRSQL and client special register • Database Group SF99601 Version 7

Database Group SF99601 Version 8

*JOBCTL No Longer Required for STRDBMON on JOB(*)• Database Group SF99601 Version 8

STRDBMON over a ViewAvailability and Recovery

• Database Group SF99601 Version 9 (planned) Prevent EVI Rebuild On Cancel During Catch Up• Database Group SF99601 Version 10 (planned)

Internal Error (-901) Service Logging


Database Group SF99601 Version 10 (planned)

Solid State Disks (SSD)Solid State Disks (SSD)

Allows a user to indicate a media preference on an SQL table, SQL index, physical file, and logical file

CL command support UNIT(*SSD) on CRTPF, CRTLF, and CRTSRCPF*

UNIT(*SSD) on CHGPF CHGLF and CHGSRCPF* UNIT(*SSD) on CHGPF, CHGLF, and CHGSRCPF

SQL statement support UNIT SSD on the object level

CREATE TABLE

ALTER TABLE

CREATE INDEX

UNIT SSD on the partition level CREATE TABLE

ALTER TABLE ... ADD PARTITION

ALTER TABLE ... ALTER PARTITION

CHGxxx and ALTER will asynchronously move data and indexes

V5R4 - Database Group SF99504 Version 21 and 22 (planned)6.1 – Database Group SF99601 Version 9 and 10 (planned)


SECURE columns P t t d t iSECURE columns

Issue an SQL CALL to secure column CCNBR in table LIB1.Orders:

Protects secure data in a database monitor and plan cache.

CALL SYSPROC.SET_COLUMN_ATTRIBUTE ('LIB1', 'ORDERS', 'CCNBR', 'SECURE YES');

P d i iParameter descriptions:

Table_Schema VARCHAR(10) The system name of a table's schema.

Table_Name VARCHAR(10) The system name of a table.

Column_Name VARCHAR(10) The system column name that is secured.

Attribute VARCHAR(10) The attribute being set for the column.

The valid values of the Attribute are:

SECURE NO This col mn does not contain data that needs to be sec ed in a database monito o plan SECURE NO - This column does not contain data that needs to be secured in a database monitor or plan cache.

SECURE YES - This column contains data that needs to be secured in a database monitor or plan cache. All variable values for any query that references this column will not be visible in a database monitor or plan cache unless the security officer has started the database monitor or the security officer is accessing the plan cache.

Notes Calling the procedure will require an exclusive lock and enough authority to alter the table.


It will generate a journal entry so the HABPs can replay it on another system.

SECURE columnsSECURE columns

Prior to V7R1, the following statements may need to be issued once:

CREATE PROCEDURE SYSPROC.SET_COLUMN_ATTRIBUTE (Table_Schema VARCHAR(10),Table_Name VARCHAR(10),Column_Name VARCHAR(10),Attribute VARCHAR(10) )LANGUAGE C PARAMETER STYLE SQLMODIFIES SQL DATASPECIFIC QDBCATTREXTERNAL NAME 'QSYS/QDBSSUDF2(QDBCATTR)';


GRANT EXECUTE ON PROCEDURE SYSPROC.SET_COLUMN_ATTRIBUTE TO PUBLIC;

SQL Server ModeSubsystem control

SQL Server mode jobs (QSQSRVR) reside within the QSYSWRK subsystem.Some customers want the server mode jobs to run in the subsystem of the application, to permit better performance controls and serviceability.

The support is enabled with an environment variableThe support is enabled with an environment variable.

To enable the switch:

ADDENVVAR ENVVAR(QIBM_SRVRMODE_SBS) VALUE('*SAME') LEVEL(*SYS)

SQL CLI control provided via new connection attribute SQLSetConnectAttr() -SQL ATTR SERVERMODE SUBSYSTEMSQL_ATTR_SERVERMODE_SUBSYSTEM

JDBC control provided via new connection property - servermode subsystem


SQL Server ModeImproved identification of current user

Some customers have thousands of active SQL Server mode jobs. System i Navigator has been improved to show the current application user and thread.


SQL Server ModeImproved identification of current user

Green screen users can see the connecting job, but not the thread detail.


Collect SQL detailsFor all statements executedFor all statements executedvia STRSQL or RUNSQLSTM

Start SQL Interactive Session (STRSQL command) users willobserve the following client special register values:

CLIENT PROGRAMID = 'STRSQL'CLIENT APPLNAME = 'START SQL INTERACTIVE SESSION'CLIENT USERID = The current user's nameCLIENT WRKSTNNAME = The DB2 for i database nameCLIENT ACCTNG = The current user's accounting code

(i.e. ACGCDE parameter on CHGUSRPRF)(i.e. ACGCDE parameter on CHGUSRPRF)

Run SQL Statements (RUNSQLSTM command) users willobserve the following client special register values:

CLIENT PROGRAMID = 'RUNSQLSTM'CLIENT APPLNAME = 'RUN SQL STATEMENTS'CLIENT USERID = The current user's nameCLIENT WRKSTNNAME = The DB2 for i database nameCLIENT WRKSTNNAME The DB2 for i database nameCLIENT ACCTNG = The current user's accounting code

(i.e. ACGCDE parameter on CHGUSRPRF)


Collect SQL detailsfor all statements executedfor all statements executedvia STRSQL or RUNSQLSTM

Corporate auditing requirements (SOX) are becoming more demanding.SOX officers are responsible for establishing and maintaining internal controls.Some companies have decided to record and archive all the SQL statement activity for command interface users.Th D t b M it li t i t filt b d t l thi dThe Database Monitor client register pre-filters can be used to solve this need.

Example:

STRDBMON OUTFILE(QGPL/STRSQLMON1) STRDBMON OUTFILE(QGPL/STRSQLMON1) OUTMBR(*FIRST *REPLACE) JOB(*ALL/*ALL/QPADE*) TYPE(*DETAIL) COMMENT('FTRCLTPGM(STRSQL)') COMMENT( FTRCLTPGM(STRSQL) )

<.....>

ENDDBMON JOB(*ALL/*ALL/QPADE*) ) ENDDBMON JOB( ALL/ ALL/QPADE ) )


Collect SQL detailsonly for statements executedonly for statements executedby CQE or SQE

Focus monitor collection on either CQE or SQE queries. This helps to minimize the overhead of monitoring SQL requests.

Example:

STRDBMON OUTFILE(lib/file) …COMMENT('WANT_CQE_ONLY')

STRDBMON OUTFILE(lib/file) …COMMENT('WANT_SQE_ONLY')


CREATE PROCEDURE – PROGRAM TYPE SUBCREATE PROCEDURE PROGRAM TYPE SUB

Add the following option to CREATE PROCEDURE (SQL) and ALTER PROCEDURE (SQL).

option-list

>--+-------------------+----->+-PROGRAM TYPE MAIN-+ '-PROGRAM TYPE SUB--'

Service program calls perform faster than program calls

PROGRAM TYPE MAINSpecifies that the routine executes as the main entry point in a program. The external program generated will be a *PGM object.

PROGRAM TYPE SUBSpecifies that the routine executes as a procedure in a service program. The external program generated will be a *SRVPGM object.


DB2® for i What’s NextDisclaimer: The following information is tentative

and might not come to fruition.

IBM makes no guarantees or commitments to provide the features or IBM makes no guarantees or commitments to provide the features or functions listed here.


Possible Future SQL Enhancements Possible Future SQL Enhancements

Queries and Data Change statements (DML) MERGE

Schema statements (DDL) XML data type

MERGE Result set support in embedded SQL

XML data type Global variables Array support in routines Encryption enhancements (FIELDPROCS) Three-part Aliases Partition table enhancements

Scalar Functions Scalar Functions XML functions MQ Series functions TIMESTAMP_FORMAT and VARCHAR_FORMAT enhancements

Miscellaneous Parameter marker enhancements Expressions in CALL


Expressions in CALL

Possible Future SQL Query Engine (SQE) Possible Future SQL Query Engine (SQE)

SQE Ch t i tiSQE Characteristics Parallel to Normal Release Enhancements Object Oriented Design Enhanced Performance primarily for complex queries Enhanced Optimization Engine Enhanced Statistics Encoded Vector Indexes Enhancements

SQE DeliveryFirst Wave V5R2 GASecond Wave mid-V5R2 Third Wave V5R3 GAFourth Wave mid-V5R3 Fifth Wave V5R4 GASixth Wave 6.1 GA

SQE (Stage 7)• Logical File support• Adaptive Query Processing (AQP)• Other miscellaneous performance enhancementsp


Possible Future Performance Enhancements

SQL Runtime Performance Improvements SQL function enhancements (inline functions)

Possible Future Performance Enhancements

Q ( ) OVRDBF and REUSEDLT(NO) support available now via Lab Services EVI enhancements

CREATE ENCODED VECTOR INDEX idx2 ON sales (region)INCLUDE ( SUM(sales) )

SELECT region SUM(sales) FROM sales GROUP BY regionSELECT region, SUM(sales) FROM sales GROUP BY region

Database Maintenance Performance Improvements ALTER TABLE performance and concurrency


Possible Future Limits/Availability/RecoveryPossible Future Limits/Availability/Recovery

SQL Application and Runtime Limits128 b t h

Database

128-byte schema names

Database Currently Committed

Allow transactions to span *SYSBAS and IASPs

CHGPFCST CHECK(*YES *NO)

Journaling

( ) CHGSRCF TEXT(*FROMMBR) SRCTYPE(*FROMMBR)

Journaling Additional filtering based on generic names on STRJRNLIB and CHGJRNOBJ

to control what journaling implicitly gets started

Additional control on whether journal entries for an object(s) should be f l d lfiltered on remote journaling

Option 42 (HA Journal Performance)


Possible Future System i Navigator

On Demand Performance CenterD t b it

Possible Future System i Navigator

• Database monitor− Client register filter−Monitor over a View (PTFed)

• Authority changes• SQL details for a jobSQL details for a job• Save Show Statements

Database Management • Support for DB enhancements• Support for Omnifind indexes• Large list performance• Partitioned table enhancement for Show

Indexes and Show MQTs • Generate SQL option to include GRANTsGe e ate SQ opt o to c ude G s• Status

− Reorganize enhancements− Index build − ALTER TABLE

Save folder contents• Save folder contents


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