Poor index identify and resolve manually or using sql tuning advisor
1.Let us create a test case first:- oracle@TST:TESTDB1[/home/oracle]$ sqlplus c##test/test C##TEST@TESTDB1> create table mytst1 as select * from dba_objects; Table […]
1.Let us create a test case first:- oracle@TST:TESTDB1[/home/oracle]$ sqlplus c##test/test C##TEST@TESTDB1> create table mytst1 as select * from dba_objects; Table […]
Cost Calculation for Full table Scan How FTS cost depends on system statistics Gather statistics manually on load: The following
This post video provide you basic method how oracle calculate cost from explain plan it derives