DB2 12 for z/OS, which became generally available in October of 2016, delivered a number of key enhancements pertaining to SQL statements. Over the course of a few blog entries, I’ll describe some of my favorites among these enhancements. This first post in the series will cover piece-wise DELETE. First, the backdrop: suppose you have a need to remove a large number of rows from a table, using SQL (I say, “using SQL,” because a utility-based alternative, REORG with DISCARD, is not always …read more
Related Articles
Oracle Identifying and Reducing Redo Allocation Latch Contention
Identify Contention The following query determines the miss ratio and the "immediate" miss ratio for redo log latches. Col MISS_RATIO format 999.99Col IMM_MISS_RATIO format 999.99 SELECT substr(ln.na...
There’s something for everyone at Oracle OpenWorld 2019
Oracle OpenWorld 2019 (Sept 16-19, San Francisco) is just around the corner and promises to be another banner year for the event that brings together 60,000+ members of the Oracle ecosystem. Over 2,00...
How to install Oracle Database Cloud Backup Module
I had the joy of using the Oracle Database Cloud backup module a month ago. Needless to say that things changed since last year and some of the blogs posts I found were not relative anymore. I used t...
