How many commands are in sql?
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what is mean by forward declaration and where we'll use it.
What is sql not null constraint?
what are set operators in sql? : Sql dba
Describe the Index, Types of index, At what situation we have used? Which one s better than others?
What is the starting oracle error number?
Can we rename a column in the output of sql query?
Which is better join or subquery?
Mention what does the hierarchical profiler does?
what is collation? : Sql dba
What is the trigger in sql?
What is before and after trigger?
What is materialized view. What are different methods of refresh?