What is Full Table Scan in Oracle? Simply it reads all the rows in the table. If you have a Where condition, then filter records according to that. Normally oracle ...
If the table has primary keys then you can scan through the unique index. oracle index unique scan stops the scanning process once the first record is found. A unique ...
In Oracle SQL ISOPEN attribute checks whether currently a cursor is open or not. cursor_name% %ISOPEN returns TRUE if its cursor is open. As you know Cursors are used to ...