What are the query optimization techniques?
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Which sql statement is used to return only different values?
What does joining a thread mean?
Why self join is used in sql?
What is an inner join sql?
How does sql store data?
How to come back in normal stage in Mutating Table if mutating table is locked or update data?
How exception handling is done in advance pl/sql?
What does stand for in sql?
Why are sql stored procedures used?
what's the difference between a primary key and a unique key? : Sql dba
What are different sql data types?
Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.
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