Pagination of the database

Source: Internet
Author: User

One, MySQL

Basic sentence pattern

SELECT * from TableName where ... order by ... limit [n,]m;

is to query the M-bar data from the nth data. n can be made without.

Sub-query paging method, improve query speed

SELECT * FROM TableName where id>=

(select ID from tableName where ... limit n,1) limit m;

Second, Oracle

Basic sentence pattern

SELECT * FROM tablename to (select ROWNUM r,t1.* from tablename t1 where

rownum<=n+m) T2 where t2.r>n;

SELECT * FROM (select A.*,rownum r from (SELECT * from TableName) a where rownum<=n+m)

where A.r>n

Pagination of the database

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