MySQL Cursor

In MySQL, Cursor can also be created. Following are the steps for creating a cursor.

1. Declare Cursor

A cursor is a select statement, defined in the declaration section in MySQL.

snippet

DECLARE cursor_name CURSOR FOR
Select statement;

cursor_name: name of the cursor

select_statement: select query associated with the cursor

After declaring the cursor the next step is to open the cursor using open statement.

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Open cursor_name;

cursor_name: name of the cursor which is already declared.

After declaring and opening the cursor, the next step is to fetch the cursor. It is used to fetch the row or the column.

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FETCH [ NEXT [ FROM ] ] cursor_name INTO variable_list;

cursor_name: name of the cursor

variable_list: variables, comma separated, etc. is stored in a cursor for the result set

The final step is to close the cursor.

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Close cursor_name;

Cursor_name: name of the cursor

Step 1: Open the database and table.

Step 2: Now create the cursor.

Query:

Step 3: Now call the cursor.

Query:

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SET @name_list ="";
CALL list_name(@name_list);
SELECT @name_list;