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By Akiko Hoshikawa and Paul McWilliams. The fast index traversal feature of Db2 12 (often called "FTB" for "fast traverse blocks") delivers valuable Db2 transaction performance improvements without the need for application changes. FTBs use a cache-friendly optimized in-memory structure...
In Db2 12, with the PTF for APAR PH19242 applied, you can now use the DSN1COMP stand-alone utility to estimate the space savings that you might realize by compressing your data in Db2 for z/OS table spaces with IBM z14 hardware-based Huffman compression . The capability to compress data...
Db2® 12 for z/OS introduces continuous delivery of new capabilities in a single service stream. With continuous delivery, many APARs in Db2 12 deliver deactivated functional code to support future function levels. However, some APAR introduce their enhancements immediately, regardless of the...
By Paul McWilliams and Jennie Chang. Db2 12 for z/OS introduced continuous delivery of new capabilities in function levels that you activate when you are ready to use the new capabilities. After you apply the the PTF for APAR PH24371 , you can now activate function level 507 Function...
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Optimizing the performance of database systems and applications is time consuming and costly. Database administrators can spend as much as 25 to 30 percent of their time managing application performance and tuning SQL queries. Welcome to Db2 AI for z/OS Db2 AI for z/OS uses IBM Machine...
Starting in Db2 12, new capabilities and enhancements are continuously delivered in a single maintenance stream as the code becomes ready. You can activate the new capabilities in a data sharing group or Db2 subsystem after a function level is delivered. A function level corresponds to a...
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