Why do we use subquery?
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What are Nested Tables? How will u delete 5 rows from Nested Tables
what is global table
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How many clustered indexes can be created on a table?
Can i use Commit inside the Trigger? Suppose i use commit what will be happy (it's complied /executed/work)
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What is a table in a database?
What are the features of pl sql?
Why is sql important?
What is materialized view. What are different methods of refresh?
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