/explore
|
You are here 
|
blog.sqlora.com | ||
| | | | |
jonathanlewis.wordpress.com
Jump to summary. A new optimizer feature that appears in 23c (probably not 21c) was the ability to push group by clauses into union all set operations. This will happen unhinted, but can be hinted with the highly memorable [no_]push_gby_into_union_all() hint that appeared in 23.1.0.0 according to v$sql_hint. and the feature can be disabled by... |
|
| | | | | ||
| | | | |
kerryosborne.oracle-guy.com
|
|
| | | | | ||
| | | | |
oracle-randolf.blogspot.com
When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these... |
|
| | | | | ||
| | | | |
oracleprof.blogspot.com
SQL_ID and/or PLAN_HASH_VALUE are used almost globally across Oracle database to identify query. This is not a case for SPM mechanism using... |
|
| | | |||
