Which is better cte or subquery?
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select 1,col1,col2 from table1. output?
Explain about various levels of constraint.
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How to add Foreign key in a table after the creation of the table?
Can we update views in sql?
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Write a query to get last 10 records from the table.
write a query to find out the no. of employees whose age is less than 25 and max of salary for the employees belonging to a particular department is less than 20000
What is use of package in pl sql?
what are the advantages of sql ? : Sql dba
What is a constraint. Types of constraints ?
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