How to call a sub procedure?
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How to loop through data rows in the implicit cursor?
What is oracle datasource?
What the is the diff between local index and global index. give some example.
How can we manage the gap in a primary key column created by a sequence? Ex:a company has empno as primary key generated by a sequence and some employees leaves in between.What is the best way to manage this gap?
How to define a specific record type?
What is Hash Cluster ?
what is the difference between rollback & commit? can a foreign key has null value?
Explain the use of constraints option in exp command.
Explain table?
What is bulk collect in oracle?
Why is oracle used?
How to define a data field as not null?