Technical Blog
Pages
(Move to ...)
Home
Oracle DBA
ERP
Oracle Apps
Data Warehouse
Java
UNIX
Hadoop
JOBS4U
▼
Showing posts with label
PROJECTION
.
Show all posts
Showing posts with label
PROJECTION
.
Show all posts
Jul 13, 2011
UNDERSTANDING EXPLAIN PLAN 4
›
Set Operations CONCATENATION Merges multiple result sets in the same way as in an explicit UNION statement. This typically occurs...
Jun 29, 2011
UNDERSTANDING EXPLAIN PLAN 1
›
UNIQUE Sorts to eliminate duplicate rows. This typically occurs as a result of using the DISTINCT clause. SORT UNI...
›
Home
View web version