How do you identify a primary key?
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What is mutating trigger?
How do I add a database to sql?
what is union, minus and interact commands? : Sql dba
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 is scalar function?
What's the procedure?
How do you go back in sql?
How do you create a unique index?
What is sql procedures and functions?
How can we solve sql error: ora-00904: invalid identifier?
How do you declare a user-defined exception?
Differentiate pl/sql and sql?