Use of the mysql Encyclopedia limit tab . 1 m tuples (limit n, m) is taken after the n rows in the table. SELECT * from student limit 4 , . 8 ; // remove the student table 8 row 4 tuple (interval here is the left and right opening and closing) 2 remove the first m rows of the table elements (limit m). SELECT * from student limit 3 ; // remove the first three rows of the student table element group 3 is taken out of a table of a page elements to meet certain conditions in a table set of tuples we think is page. < . 1 > m tuples (limit n, m) after the removing of the n-th row SELECT * from Student WHERE Score > 75 limit 2 , 2 ;// remove meet ff score greater than 75 minutes in group 2 rows two yuan < 2 > m tuples (limit m) fetched page SELECT * from Student WHERE Score > 75 limit 2 ; // remove greater than satisfying results page 75 points in the first two rows tuples