Starting with version Informix 14.10xC11 (currently 14.10xC12), it is possible in Informix to use partial indexes in conjunction with FRAGMENT BY EXPRESSION specifically for memory reduction and perfo...
In June 2025 IBM has released the new Informix Fixpack 14.10xC12.
The new release does not contain new features. It is a bug fix exclusively.
IBM provides periodic fixes for Informix release 14.10. ...
13 years after the release in the yer 2013 informix 12.10 has been discontinued for April 2026. At that point the product support expires.
For this reason we recommend to migrate to Informix 14.10xC1...