the various collection types are used primarily with in pl/sql blocks (anonymous and stored)
you may also declare them as SQL objects, doing this allows you to write table functions like the DBMS_XPLAN.DISPLAY
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Subquery in Oracle:
Sub queries are one of advance queries in oracle.
Types of advance queries:
• Sub Queries
• Hierarchical Queries
• Set Operators
Sub queries are know as the query called from another query or another subquery. It can …
This post first appeared at Oracleinaction (http://oracleinaction.com/undo-and-redo-in-oracle/)by Anju Garg (Myself).
I will demonstrate that undo for DML’s is stored both in undo tablespace and online redo logs. Then, we will analyze the reaso…
This video shows syntax for various backup options while discussing how the different basic backup types work. It explains how to take full backups, incremental level 0 backups, incremental level 1 backups in both differential and cumulative mode a…