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What are the various levels of constraints?
What do you mean by table in sql?
What are stuff and replace function?
What are the different types of a subquery?
What are the different set operators available in sql?
How can you select unique records from a table?
What is the need of merge statement?
Write a sql query to get the third highest salary of an employee from employee_table?
What is the difference between drop and truncate commands?
Name the operator which is used in the query for pattern matching?
List the different type of joins?
What do you mean by field in sql?
What do you mean by dbms? What are its different types?
Write a sql query to find the names of employees that begin with ‘a’?
How can you fetch first 5 characters of the string?
