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oracle分頁(yè)查詢語(yǔ)句 詳解SQLServer和Oracle的分頁(yè)查詢?

詳解SQLServer和Oracle的分頁(yè)查詢?Oracle, SQL Server 和MySQL的分頁(yè)SQL語(yǔ)句如下:Oracle:方法一:SELECT * FROM(SELECT A.*, ROW

詳解SQLServer和Oracle的分頁(yè)查詢?

Oracle, SQL Server 和MySQL的分頁(yè)SQL語(yǔ)句如下:Oracle:方法一:SELECT * FROM(SELECT A.*, ROWNUM RN FROM (SELECT * FROM TABLE_NAME) A WHERE ROWNUM

jdbctemplate怎么實(shí)現(xiàn)oracle分頁(yè)查詢?

sql語(yǔ)句如下:

分頁(yè)1

SELECT *

FROM (Select ROWNUM AS ROWNO, T.*

from 表名 T(別名)

where 表字段 between to_date("20060501", "yyyymmdd") and to_date("20060731", "yyyymmdd")

AND ROWNUM

WHERE TABLE_ALIAS.ROWNO >= 10

經(jīng)過(guò)測(cè)試,此方法成本最低,只嵌套一層,速度最快,即使查詢的數(shù)據(jù)量再大,也幾乎不受影響,速度依然.

分頁(yè)2:

SELECT *

FROM (SELECT TT.*, ROWNUM AS ROWNO

FROM (Select t.*

from 表名 T(別名)

where flight_date between to_date("20060501", "yyyymmdd") and

to_date("20060531", "yyyymmdd")

ORDER BY FACT_UP_TIME, flight_no) TT(別名二)

WHERE ROWNUM

where TABLE_ALIAS.rowno >= 10

經(jīng)過(guò)測(cè)試,此方法隨著查詢范圍的擴(kuò)大,速度也會(huì)越來(lái)越慢,

oracle數(shù)據(jù)庫(kù)怎么實(shí)現(xiàn)分頁(yè)?

您好:oracle查詢分頁(yè)可分為兩種情況,一種使用的是rownum ,另外一種則是使用 row_number() over(order by column_name desc)。1.使用rownum分頁(yè)查詢,可用以下方式:select t2.* from (select t1.*,rownum as rn from table_name t1 where 1=1 and rownum <= page * page_size) t2 where t2.rn > (page - 1) * page_size2.使用 row_number() over() 分頁(yè)查詢select t2.* from (select t1.*,row_number() over(order by column_name desc) as rn from table_name t1 where 1=1 )t2 where t2.rn > (page-1)* page_size and t2.rn <= page * page_size這種方式,也是可以分頁(yè)的。希望能幫助您!