How can a stored procedure return a value in MySQL?

How can a stored procedure return a value in MySQL?

To return a value from stored procedure, you need to use user defined session specific variable. Add @ symbol before variable name. Now second call for difference of two values. Call the stored procedure.

What is result set in stored procedure?

In addition to returning output parameters, a stored procedure can return a result set (that is, a result table associated with a cursor opened in the stored procedure) to the application that issues the CALL statement. The application can then issue fetch requests to read the rows of the result set cursor.

How do I print a stored procedure value in MySQL?

For debugging info from stored procedure in MySQL,there are following options through which you can do this.

1. Write into the file externally:
2. Use select command to print message:
3. Use select command to print additional information with message:
4. Create addition table temp and push all message into it:

How do I create a stored procedure in MySQL?

Create a simple stored procedure. DELIMITER ; To create the MySQL Stored Procedure, open the MySQL workbench Connect to the MySQL Database copy-paste the code in the query editor window click on Execute. You can view the procedure under stored procedures.

How do I query a stored procedure in SQL?

Click on your Database and expand “Programmability” item and right click on “Stored Procedures” or press CTRL + N to get new query window. In the query area between BEGIN and END, type your SELECT statement to select records from the table.

How do I execute a stored procedure in MySQL?

How To Execute Stored Procedure In MySQL Workbench

1. Open MySQL Workbench.
2. Create New tab to run SQL statements.
3. Enter the SQL statements for stored procedure in your new tab.
4. Execute the store procedure statements by clicking the ‘lightning’ icon shown below.
5. Expand the stored procedure node in right pane.

How do I create a stored procedure in SQL?

How to create a stored procedure

1. In Object Explorer, connect to an instance of Database Engine and then expand that instance.
2. Expand Databases, expand the AdventureWorks2012 database, and then expand Programmability.
3. Right-click Stored Procedures, and then click New Stored Procedure.

What is stored procedure in MySQL with example?

MySQL Stored Procedure. A procedure (often called a stored procedure) is a collection of pre-compiled SQL statements stored inside the database. It is a subroutine or a subprogram in the regular computing language. A procedure always contains a name, parameter lists, and SQL statements.