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How can we access tables through MySQL stored procedures?
We can access one or all the tables from the MySQL stored procedure. Following is an example in which we created a stored procedure that will accept the name of the table as a parameter and after invoking it, will produce the result set with all the details from the table.
Example
mysql> Delimiter //
mysql> Create procedure access(tablename varchar(30))
-> BEGIN
-> SET @X := CONCAT('Select * from',' ',tablename);
-> Prepare statement from @X;
-> Execute statement;
-> END//
Query OK, 0 rows affected (0.16 sec)Now invoke the procedure with the table name, we need to access, as its parameter.
mysql> Delimiter ;
mysql> Call access('student_info');
+------+---------+----------+------------+
| id | Name | Address | Subject |
+------+---------+----------+------------+
| 101 | YashPal | Amritsar | History |
| 105 | Gaurav | Jaipur | Literature |
| 125 | Raman | Shimla | Computers |
+------+---------+----------+------------+
3 rows in set (0.02 sec)
Query OK, 0 rows affected (0.04 sec)
Updated on 22-Jun-2020 07:02:44
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