Mastering SQL Stored Procedures

Mastering SQL Stored Procedures

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DbVisualizer
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Discover the basics of SQL stored procedures and how they can streamline your database operations. This article covers the essentials, including creation and execution.

SQL Stored Procedures

Creating a stored procedure in MySQL.

CREATE PROCEDURE getTop5Users()
BEGIN
    SELECT
        id,
        nickname,
        points
    FROM
        users
    ORDER BY
        points DESC
    LIMIT
        5;
END

Execute it with below query.

CALL getTop5Users();

This example retrieves the top five users based on points.

FAQ

What databases allow stored procedures?

Supported by MySQL, PostgreSQL, Oracle, SQL Server, DB2, and more.

What is the difference between a stored procedure and a function?

Stored procedures handle complex operations and are called with specific commands, while functions are used within SQL statements.

What are the four most important parts of a stored procedure?

  • Name

  • Input parameters

  • Body

  • Output parameters

How to execute a stored procedure in SQL Server?

Use EXECUTE or EXEC followed by the procedure name and parameters.

Conclusion

Stored procedures offer significant performance and security benefits. Learn more in our comprehensive guide, Stored Procedures in SQL: A Complete Tutorial.

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