DB2 Connect User's Guide
New features in DDCS Version 2 Release 3.1 included:
- Two-phase commit for DRDA connections using the LU6.2 Syncpoint
Manager (SPM) on OS/2 and AIX.
New features in DDCS Version 2 Release 3.0 included:
- Client application performance could be improved by running stored
procedures on DB2 for MVS/ESA Version 4.1 and DB2 Universal Database
for AS/400 Version 3.1 servers. See Stored Procedures.
- Able to work with multiple databases in a single transaction.
- Able to improve performance by concatenating SQL statements. See NOT ATOMIC Compound SQL and Using Import and Export Utilities.
- Able to implement chargeback accounting by using accounting
strings. See Implementing Charge-Back Accounting on DB2 Universal Database for OS/390.
- Able to use many new bind options when binding applications to a DRDA
application server. See The BIND Command.
- When using a DCE directory, the ability to consolidate the directory
information needed by all your clients in a central repository. See Appendix D, Using DCE Directory Services.
- Greater flexibility in SQLCODE processing. See SQLCODE Mapping.
- Diagnostic information stored in a readable format and consolidated in a
single location (the first failure service log). For more information,
refer to the Troubleshooting Guide.
- The DDCSSETP environment variable was replaced by BIND and PREPARE options
such as SQLERROR CONTINUE, simplifying operations.
- Various other performance improvements were also implemented.
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