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Oracle Developer Interview Questions

Q   |   QA

The related columns of the tables in a cluster is called the Cluster Key. 

A Cluster with an index on the Cluster Key. 

A row is stored in a hash cluster based on the result of applying a hash function to the row's cluster key value. All rows with the same hash key value are stores together on disk. 

No Limit. 

The condition must be a Boolean expression evaluated using the values in the row being inserted or updated and can't contain subqueries, sequence, the SYSDATE,UID,USER or USERENV SQL functions, or the pseudo columns LEVEL or ROWNUM. 

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