How many functions are there in sql?
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What does an inner join do?
What is the difference between inner join and outer join?
What is scope of pl sql developer in future?
How packaged procedures and functions are called from the following?
Why sql query is slow?
what is Hash join?how it is different from inner join?what is the sign used for inner join?(eg: like the (+) sign used for outer join)?
What are the advantages of normalization?
What normalization means?
Do foreign keys improve performance?
Why stored procedure is better than query?
How would you hide a table in sql. ie the table can be only visible to its maker?
What are the differences between Database Trigger and Integrity constraints ?
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