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Allow DDL changes on a table with full row logging
We want to use CDC to replicate data changes to a different system. We do schema changes once a month, and this complicates things a lot. According to our vendor, this is a limitation for Informix only, other source systems can hande DDL changes t...
Informix auditing (onaudit) should be able to record feprogram with the "start session" event
In 11.70 (or earlier) IBM enhanced the client tools and server so that a string for the "front end program" is sent to the server. This can be seen in the syssessions table if a compatible Client SDK or IConnect is used. It would be very useful fo...
Evaluate using io_uring for I/O in Informix Linux Platform
Create some performance tests and evaluate an architecture change in Informix to migrate AIO or Kernel AIO to using kernel io_uring Maybe it's not possible to use io_uring in Informix and nowadays, performance increase from using IO_DIRECT KAIO to...
Perform update statistics based on selected Fragments of a table
This idea is to run update statistics based on selected fragment(s) to refresh table update statistics on latest or selective fragments only. As there are considerable number of fragmented transactional tables are located under current databases t...
I was doing DB development in an Ubuntu/Linux enviornment using PERL. PERL has a database abstraction layer called DBI. Supports preparing queries to both MySQL and Informix with no changes. It does rely on a lower layer DB interface driver, for I...
NEWS FLASH - the website now shows that 12.10.FC15 is certified on RHEL 8. This should be marked as completed. https://www.ibm.com/support/pages/informix-server-system-requirements We need to stay with Informix 12 so that our compiled 4GL will con...
We need command tool in Informix >>-ALTER INDEX--index--REBUILD------------>< | | '-ONLINE-' working like: REBUILD INDEX online utility in DB2 or ALTER INDEX index REBUILD ONLINE in Oracle or REINDEX [INDEX|TABLE] in PostgreSQL
Add Query Store functionality to Informix and revert to Last Good Plan
Add functionality to Informix similar to SQL Server Query Store. SQL and plans are logged to a system database. Also if a plan gets worse then the server can learn and go back to the previous query plan if still valid. This would be helpful when t...
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