How to write the statement of executing stored procedure in MySQL

mysql How to write statements that execute stored procedures in

This article mainly introduces mysql How to write the statements that execute stored procedures in , The content is detailed and easy to understand , The operation is simple and fast , It has certain reference value , I believe that after reading this article mysql How to write an article about the statements that execute stored procedures in , Let's have a look .

mysql The statement that executes the stored procedure in is “CALL”.CALL Statement can call the specified stored procedure , After calling the stored procedure , The database system will execute SQL sentence , Then return the result to the output value ; The grammar is “CALL The name of the stored procedure ([ Parameters [...]]);”.mysql In the use of CALL Statement to call and execute a stored procedure requires EXECUTE Permission can only take effect .

The operating environment of this tutorial ：windows7 System 、mysql8 edition 、Dell G3 The computer .

mysql The statement that executes the stored procedure in is “CALL”.

MySQL CALL sentence

MySQL Use in CALL Statement to call the stored procedure . After calling the stored procedure , The database system will execute SQL sentence , Then return the result to the output value .

To call and execute a stored procedure, you need to have EXECUTE jurisdiction （EXECUTE Information about permissions is stored in information_schema Database based USER_PRIVILEGES In the table ）.

CALL Statement to receive the name of a stored procedure and any parameters that need to be passed to it , The basic grammatical form is as follows ：

CALL sp_name([parameter[...]]);

among ,sp_name Represents the name of the stored procedure ,parameter Parameters representing stored procedures .

MySQL CALL Statement to call and execute a stored procedure

Create name as ShowStuScore Stored procedure , The function of the stored procedure is to query the student's grade information from the student's grade information table

DELIMITER //CREATE PROCEDURE ShowStuScore()BEGINSELECT * FROM tb_students_score;END //

Call and execute stored procedures ShowStuScore()

CALL ShowStuScore();

explain ： Because a stored procedure is actually a function , So the stored procedure name needs to be followed by ( ) Symbol , Even if you don't pass parameters, you need .

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