What is primary key in db?
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What is group function in sql?
What is Difference Between Unique and Primary Key Constraints?
Explain some predefined exceptions.
What are the difference between Functions/Stored Procs and Triggers and where are they used.
Which are the most commonly used sql joins?
How to get the 3rd column(i.e all the data along with the column name)in a table?
What is difference between group by and partition by?
What are tables and fields in the database?
what is denormalization. : Sql dba
What is trigger in sql?
Is coalesce faster than isnull?
What is oracle sql developer?
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