IBM Data and AI Ideas Portal for Customers


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Db2

Showing 1390

Enhance TEMP index purge performance under high concurrency

In the environments that use a high number of temporary tables (DGTTs/CGTTs) with indexes, performance of temp object instantiation is severely impacted under high concurrency, i.e. when we have many objects dropped and recreated at the same time ...
almost 4 years ago in Db2 0

Support compilation of PL/I and COBOL programs without an active DB2 connection

The compilation of PL/I and COBOL programs on the z/OS mainframe is possible without an active database connection.This does not work on the AIX platform, which requires a database connection during compilation and a DB user withsufficient privile...
almost 8 years ago in Db2 / Application Development 0 Not under consideration

CASE with EXISTS in UPDATE returns SQL0582N, which is inconsistent behavior with db2 z/OS

db2 "update test_tab set c1=case when exists (selectc2 from test_tab where c2=1) then 'A' else 'B' END" DB21034E The command was processed as an SQL statement because it was not a valid Command Line Processor command. During SQL processing it retu...
almost 8 years ago in Db2 / Application Development 1 Not under consideration

Update TSAMP License when Db2 License Aplied

On Linux and Unix enviornments you have the ability to install the Db2 Server by installing the latest fix pak and then applying the license file from the Activation download. Unfortunately, when we just did the fix pak install fo Db2 11.1.5.4 and...
almost 4 years ago in Db2 / Installation & Upgrade 0 Not under consideration

PL/SQL compatibility - default values of procedure parameters

Currently DB2 does not fully support Oracle-style definition of default parameters in PL/SQL stored procedures (including those in functions). The following definition works in Oracle, but requires modification in DB2: CREATE OR REPLACE PACKAGE my...
about 8 years ago in Db2 / Application Development 0 Future consideration

Performance degradation after enabling RCAC

Performance degradation and difference in behavior of access plan on stored procedure query after enabling RCAC - column masking for a column which is part of select condition. The query access plan without RCAC is scanning only the table (Table A...
about 8 years ago in Db2 / Security 0 Not under consideration

Implement SQLCODE mapping for Federated Stored Procedures

Db2 Connect provides SQLCODE mapping when connecting to a back-end Db2 z/OS database. Federation does not offer the same feature, instead translating user-driven SQL errors to SQL1822N (SQLCODE -1822). When invoking a Db2 z/OS federated stored pro...
about 4 years ago in Db2 / Fluid Query 1 Future consideration

DB2 listener not activated after DB process killed by OS and restarted automatically by TSA in HADR environment

We had DB2 HADR primary/standby configuration. Due to one application job,DB2 consumes all memory and OS killed db2sysc process. db2 restarted automatically by TSA but listener wasn't activated . There was no evidence in logs which process was usi...
about 4 years ago in Db2 / Monitoring 0 Not under consideration

SQL20342 error should include schema when transferring ownership

When executing a transfer ownership over a stored procedure to a user that does not have privilege over another stored procedure, then Db2 raises this error message: SQL20342N auth-ID does not have one or more required privileges "EXECUTE" on obje...
about 4 years ago in Db2 / Statements (DDL and DML) 0 Not under consideration

Allow complete acces path in optimization hint (like db2 for ZOS)

We have the same cobol application that on both z/os and luw.We are using static sql in packages. We run 12 schemas using the same sets of tables in each for manual application parallelism.Occasionally a package for a given schema will flip access...
about 8 years ago in Db2 / Statements (DDL and DML) 0 Not under consideration

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