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  • How to Use the SQL Union Join

    SQL joins are extremely useful. Unlike the other kinds of SQL join, the union join makes no attempt to match a row from the left source table with any...

    In SQL

  • How to Declare a SQL Cursor

    To use a SQL cursor, you first must declare its existence to the DBMS. You do this with a DECLARE CURSOR statement. The DECLARE CURSOR statement doesn...

    In SQL

  • What is SQL?

    The first thing to understand about SQL is that SQL isn’t a procedural language, as are Python, C, C++, C#, and Java....

    In SQL

  • SQL For Dummies Cheat Sheet

    This Cheat Sheet consists of several helpful tables and lists, containing information that comes up repeatedly when working with SQL. In one place, yo...

    In SQL