How do rank () and dense_rank () differ?
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What are field types?
Which operator is used in query for pattern matching?
Why primary key is required?
What is a table in a database?
Can we relate two different tables from two different users in ORACLE,PL/SQL?
What are the string functions in sql?
What is on delete set null?
how can we find the select statement is indexed or not?
how will u find statistics of a database objects?
State the advatage and disadvantage of Cursor's?
Are views faster than queries?
How do you pronounce sql?
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