Explain enable novalidate constraint.
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Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
How to name query output columns in oracle?
What query tells you how much space a tablespace named test is taking up, and how much space is remaining?
How to view the data files in the current database?
What is the difference between a hot backup and a cold backup in oracle?
How do we know whether an index is created on a table ???
How does propagation differ between Advanced Replication and Snapshot Replication (read-only)?
SELECT * FROM (SELECT TITLE FROM MOVIE ORDER BY RANK DESC) WHERE ROWNUM > 4; when i run the above query .it produces output as NO ROWS SELECTED.why ?plz any one help me
what is the difference between authorization and authentication?
diff between DELETE and TRUNCATE?.
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How a database is related to tablespaces?
Explain the use of rows option in imp command.