Listing Stored Procedures in MySQL
In MySQL, you can list all stored procedures available in a database using the SHOW PROCEDURE STATUS
statement or by querying the information_schema.ROUTINES
table.
1. Using SHOW PROCEDURE STATUS
The SHOW PROCEDURE STATUS
command provides a list of all stored procedures in the MySQL server.
Syntax
Filtering by Database
To list stored procedures for a specific database, use the LIKE
clause:
📌 Example
✔ This will show only stored procedures that belong to the mydb
database.
2. Using information_schema.ROUTINES
You can also retrieve a list of stored procedures using the information_schema.ROUTINES
table.
Query to List Stored Procedures
📌 Example
✔ This query returns the stored procedure name, creation date, and last modified date.
3. Viewing the Definition of a Stored Procedure
Once you have a stored procedure name, you can view its definition using:
Using SHOW CREATE PROCEDURE
📌 Example
✔ This displays the full SQL code of the get_users
stored procedure.
4. Deleting a Stored Procedure
If you want to remove a stored procedure, use:
📌 Example
✔ This ensures the procedure is removed only if it exists, preventing errors.
5. Key Takeaways
✔ Use SHOW PROCEDURE STATUS
to list all stored procedures.
✔ Query information_schema.ROUTINES
for more details.
✔ Use SHOW CREATE PROCEDURE
to view the definition of a procedure.
✔ Drop unwanted procedures using DROP PROCEDURE
.
Would you like an example of creating and managing stored procedures? 🚀