SELECT e.*, LAG(salary) over(partition by dept_name ORDER BY emp_id) AS Pre_Employee_Sal, LEAD(salary) over(partition by dept_name ORDER BY emp_id) AS Next_Employee ...
How to view the list of databases available select name from sys.databases; - To pick a database to work use testdb; - To view the tables available in the testdb database select table_name from ...
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