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SQL Functions

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  • SQL Aggregate Functions

    Aggregate SQL functions summarize the results of an expression for the group of rows in database table and returns a single value for that group.

  • SQL Mathematical Functions

    SQL mathematical functions are very important to all programming languages and also to SQL. Here we cover all common SQL mathematical functions such as ABS, POWER, SQRT, RANDOM...with clear explanations and source code examples

  • SQL String Functions

    SQL string functions allow you to manipulate character data effectively.
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