Brush up on the basics or master the advanced techniques required to earn essential industry certifications, with Courses. Enroll in a course and start learning today. Training topics range from Android App Dev to the Xen Virtualization Platform.
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 how to copy a database user from one database to another user DBMS_METADATA. It also shows how to copy a user's permissions and discusses password hash differences between Oracle 10g and 11g.