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Matrix Query
Create a query to display the total number of employees, of that total, the number of employees hired in 1995, 1996, 1997, 1998. Create appropriate column heading from the employees table.
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SQL NULLIF Function
What is the use of NULLIF function in SQL?
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Find Base Table of the View
Views are created on the basis of base tablesWhat is the query to know the base table of the view? How to know the details of base table?