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MySQL SELECT statement.

MySQL statement SELECT is used to extract records from one or more tables to MySQL….

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PostgreSQL variables.

In this tutorial, you will learn how to declare variables in PostgreSQL using syntax and examples….

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PostgreSQL current_date function.

    The current_date function in PostgreSQL returns the current date….

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    PostgreSQL comments.

    Can you place comments in your SQL statements in PostgreSQL? These comments can appear in one line or cover several lines. Let’s see how to do that.

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    PostgreSQL date_part function.

    PostgreSQL date_part  function extracts parts from the date….

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