How many columns should be in an index?
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What is native sql query?
If a View on a single base table is manipulated will the changes be reflected on the base table?
Sql technical questions
What is a constraint? Tell me about its various levels.
Explain the methods used to protect source code of pl/sql.
How to read/write files from pl/sql?
What are the ddl commands?
What is sql character function?
Are stored procedures faster than queries?
what is the output of this query selet * from employee where 1=2 ??
Does a primary key have to be a number?
What does pl sql developer do?
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