cics_trianing class_07.ppsx

7/27/2019 CICS_Trianing Class_07.ppsx

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IBM MAINFRAMES

CICS Training Class-07


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CICS DB2

CICS provides interface to DB2

DB2 requires CICS attachment facility to connect itself to CICS

CICS program can issue commands for DB2 with SQL in order to

access DB2 data base

!"!C SQL function

#ptions !$D%!"!C


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DB2 database access by CICS

DATABASE

CICS

&pplication

'rogram

#perating System

Terminal

DATASETS

DB2 Region

CICS attachment facility


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DB2 entries

DB2%CICS connection is defined with in (C) * (esource Control

)able+

)he information in (C) is used to control interaction between CICS

and DB2

Command for (C) entry

C!D& D!, DB2!*DB2-+ .*.(#/' $&0!+

C!D& I$S DB2!*DB2-+ .*.(#/' $&0!+

In this provide the plan name and transaction id

C!D& D!, DB2)*DB2)+ .*.(#/' $&0!+

C!D& I$S DB2)*DB2)+ .*.(#/' $&0!+

I$ )1IS '(#ID! )1! )&S&C)I#$ ID &$D entry id


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re!arati"nC#B#$-CICS-DB2!r"gra%

SOURCE PROGRAM

DB2

PRE COMPILATION

LINK EDIT

BIND PROCESS

CICS

TRANSLATION

COBOL

COMPILATION

LOAD MODULE

PLAN PACKAGE

DBRM MEMBER


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Inter&al and Tas'c"ntr"l


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AS(TIME

/sed to obtain current date and time

Synta34

EXEC CICS ASKTIME ABSTIME(DATAITEM)

END-EXEC

&BS)I0! return the time in pac5ed decimal format

Data item 'IC clause is 6*-7+ comp


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F#RMATTIME

Used to format the time as needed

EXEC CICS FORMATTIME ABSTIME(DATA-ITEM)

[YYDDD(DATA-ITEM)]

[YYMMDD(DATA-ITEM)][ MMDDYYYY(DATA-ITEM) ]

[ DATESEP(/) ]

[ TIME(DATA-ITEM) ]

[ TIMESEP(:)]

END-EXEC

Conditions : INVREQ


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DE$A)

/S!D to delay the processing of the tas5

)he issuing tas5 is suspended for a specified interval or until the

specified time

Synta3

EXEC CICS DELAY

INTERVAL(HHMMSS) | TIME(HHMMSS)

END-EXEC

C#$D)I#$S 4 !"'!I(!D8 I$(!Q


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START

/sed to start a transaction at the specified terminal and at the

specified time o interval

Data can be passed to the new transaction

Synta3EXEC CICS START

[TRANSID(TRANSID)]

[TERMID(TERMID)]

[TIME(HHMMSS) | INTERVAL (HHMMSS)]END-EXEC

Conditions4 I$(!Q L!$.!((8 )!(0ID!((8

)(&$SID!((


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#t*er Inter&al C"%%ands

!AIT4 )o wait for an event to occur

RETRIVE4 /sed to retrieve the data passed by the start

CANCEL4 /sed to cancel the interval request

EN"4 )o gain e3clusive control over a resource

DN"4 )o free the e3clusive control from the resource gained

by enq


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CICS S+$IED TRANSACTI#NS


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CICS S,!!lied Transacti"ns $ist

CICS transactions have identification codes that start with 9C: and are 7

characters long

Sign off C!S,

Sign on C!S$

Command%level interpreter C!CI

!3ecution diagnostic facility C!D,

0aster terminal C!0)

(esource definition online *(D#+ C!D&

)emporary%storage browse C!B(


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CICS S,!!lied Transacti"ns

CESN4 )# SI.$ #$ )# )1! CICS S;S)!0

CESF)# SI.$ #,,


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CICS S,!!lied Transacti"ns

CEMT4

Display )he Status #f )he CICS > System 'rocess

&lter )he Status #f )he CICS > System 'rocess

(emove )he Installed (esource Definitions

'erform ,ew ,unction (elated )o System

CEBR4 )o browse the contents of CICS temporary storage queues

*)SQ+

CEDFto test command level application program interactively


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T*an's )",

cics_trianing class_07.ppsx

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