What are the different steps for using MySQL cursors?

Following are the different steps to use MySQL cursor -

• DECLARATION - First we have to use DECLARE statement to declare the cursor. Cursor declaration must come after variable declaration. The syntax for declaring a MySQL cursor is as follows -

DECLARE cursor_name CURSOR FOR SELECT-statement;

• OPENING - Next, we need to open the cursor, which can be opened with the OPEN statement. Actually, the OPEN statement initializes the result set of the cursor, so we must call the OPEN statement before getting rows from the result set. The syntax to open a MySQL cursor is as follows -

OPEN cursor_name;

• FETCHING the rows - Now, after opening the cursor, we need to retrieve the cursor using FETCH statement Point to Next Row and Move moves the cursor to the next row in the result set. The syntax to get a MySQL cursor is as follows -

FETCH cursor_name INTO variables list;

• CLOSING - Finally, we will close the cursor through the CLOSE statement to deactivate the cursor and release it the memory associated with it. The syntax for closing a MySQL cursor is as follows -

CLOSE cursor_name;

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