Oracle Versions

Comparison of release dates and features

Oracle

2004 Oracle10g - Flashback Query, Data Pump, Automatic Storage Management.

2002 Oracle9i Release 2 - Native XML database.

2001 Oracle9i Release 1 - RAC and Advanced Analytic Service (business intelligence), Fine-grained auditing.

2000 Oracle8i Release 2 - Oracle tools integrated in middle tier: 9i Application Server available.

1999 First RDBMS on Linux.

1998 Oracle8i - Java support, SQLJ, XML and Oracle interMedia.

1997 Version 8 - First web database, object-oriented development and multimedia, Binary datatypes, Table Partitioning. Very Large Database

SQL Server

2005: SQL Server 2005 - Mirroring, Failover clustering, Database Snapshots, dedicated admin connection (Startup restrict) , Online index rebuild, Online database restore, Support for 64-bit, granular permissions, encryption, native XML data type

2003: SQL Server 2000 Enterprise edition 64 bit - Itanium 2 support.

2000: SQL Server 2000 - XML and Data Mining, also improved DTS and data analysis tools.User-Defined Functions, Indexed Views, INSTEAD OF and AFTER Triggers, Cascading Referential Integrity Constraints, Multiple Instances.

1998: SQL Server 7.0 - Data Transformation Services, OLAP Services and Microsoft Repository.

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(VLDB) features.

1995 Version 7 for 64-bit RDBMS

1994 Version 7 for PC.

1992 Version 7 - for UNIX, distributed transactions, stored procedures, triggers, declarative referential integrity, User-Defined Functions, Cost based optimizer, Varchar2 datatype, ANSI SQL92, Parallel operations including query, load, and index creation.

1989 Version 6.2 - Symmetric cluster access using Oracle Parallel Server.

1988 Version 6 - Oracle Financial Applications built on relational database.

1986 Version 5 - First distributed database, first true client/server database, VAX-cluster support, and distributed queries. Row Level Locking.

1984 Version 4 - First portable toolset; first RDBMS for IBM PC, introduced read consistency, was ported to multiple platforms, first interoperability between PC and server.

1982 Version 3 - First portable database (mainframes, minicomputers, and PC); first RDBMS to support SMP

1980 Version 2 - First commercial SQL database (PDP11/VAX)

1979 Version 1 - Not comercially released.

Row Level Locking.

1996: SQL Server 6.5 - distributed data and transactions, OLE-based management framework, ANSI SQL 92

1993: Renamed as SQL Server 4.2 (Windows NT)

1992: SQL Server beta released. Sybase codebase, Database triggers and stored procedures, roll-forward and roll-back transaction recovery, Client support for Macintosh (Microsoft Windows)

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