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Allow disabling automatic Next Extent calculations
Informix automatically doubles the Next Extent size for every 16 extents on a table. This action will continue until an extent is large enough to provide at least 10% free space. On very large, slow-growing tables, this can lead to an incredible w...
"Plain text" connections to Informix are only encrypted if using SSL. The manuals and internet only explain "self assigned certification" well enough to implement. To make matters worse the "certs" expire and then you have to wipe everything out, ...
Remove the physical storage limitations on Innovator-C
At release of Informix Innovator-C Edition 11.70 xc5, a large number of functionality has been withdrawn ( ER and more), as well as new ressource limitations have been implemented or inreased, such as limitation to 1 CPU vp for instance. We think ...
Use FSCR information to ommit empty data pages while performing Table Scan (TBSCAN)
ABSTRACT:Table scan over volatile table with large number of empty pages scans all empty pages instead of using FSCR to find pages to be scanned. VERSION INFORMATION:DB2 9.7.FP5 on Linux / DB2 9.7.FP9a on AIX 7.1 / DB2 10.5.FP4 on Linux TECHNICAL ...
Improve the usability of Automatic Space Management for multi-tiered storage systems.Our system is using backend storage systems where not all disks/LUNs are created with equal speed/bandwidth/latency and other performance factors. Informix storag...
For the ALTER TABLE statement, it's relevant to add an "AFTER ..." OR "BEFORE ..." clause specifying where in the table the new column is to be placed. This statement component exists in DB2 for i and in certain other databases (like Informix and ...
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