SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

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SELECT first_name, last_name, AGE( CURRENT_DATE, birth_date) FROM public.employees; -- 3.4: Retrieve a list of all employees ages as at when they were employed SELECT first_name, last_name, AGE( ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...