Placeholder for select statement, select statement

Source: Internet
Author: User

Placeholder for select statement, select statement

For prepared statements, you can use a location toggle. The following statement returns a row from the tb1 table:

Mysql>SET @ a = 1;
Mysql>Prepare stmt from "SELECT * FROM tbl LIMIT? ";
Mysql>Execute stmt using @;

The following statement returns the second to sixth rows from the tb1 table:

Mysql>SET @ skip = 1; SET @ numrows = 5;
Mysql>Prepare stmt from "SELECT * FROM tbl LIMIT ?, ? ";
Mysql>Execute stmt using @ skip, @ numrows;

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