What are the types of functions in sql?
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function can return value ,procedure also return value through out parameter then what is the difference?
What are the different dcl commands in sql?
Can procedure in package be overloaded?
The in operator may be used if you know the exact value you want to return for at least one of the columns.
How do you modify a table in sql?
Why do we need databases?
Write the order of precedence for validation of a column in a table ?
What are the events on which a database trigger can be based?
select 10 from dual; y its showing all the rows with 10?
How many types of keys are there in sql?
what is External tables? explain with examples
What is a pdo connection?
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