Why do we need databases?
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what is an index? : Sql dba
What is exception? What are the types of exceptions?
How we can update the view?
Why do we need cursors in pl sql?
Why do we use sql constraints? Which constraints we can use while creating database in sql?
Show the cursor attributes of pl/sql.
What are different types of triggers?
What is the use of sql trace?
Can function return multiple values in sql?
what is difference between procedure and function, procedure and trigger?
What is a sql select statement?
<<labele>> declare a=10 b=20, begin some statements declare a=30 c=40 end; what is the A value in nested block?