Oracle 11g Compression feature- Test case
Recently I did some test case in oracle 11g compression on 11.1.0.7 windows OS. I would like to share with you allSnippet on Compression:Oracle Table compression for OLTP Operations: 1. Unique...
View ArticleScript to Collect DB Upgrade/Migrate Diagnostic - dbupgdiag.sql
Script to Collect DB Upgrade/Migrate Diagnostic Information (dbupgdiag.sql) [ID 556610.1]Recently I have found metalink note and it may be useful for database upgrade.This upgrade diag scripts will...
View Articledb_file_multiblock_read_count in oracle 11g
Whenever we have faced performance issue, few questions suddenly came to our mind like …Why my index is not being used? Why my query is going to full table scan instead of index scan? Is there any...
View ArticleDB_Stats - dbms_stats.set_table_stats
Recently I had faced one performance issue related to DB statistics.Suddenly we have got CPU spike on database and found a query causing the CPU spike.Finally I started to Investigate.This query have...
View ArticleOracle Total Recall – Flashback Data Archive - Oracle 11gR2 Feature
Oracle Total Recall will help to keep the historical data in database. Oracle Total Recall tracking the changes happen on database and keep this data’s in database based on our retention...
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