Oracle 数据库分页
三层嵌套:
select * from ( select row_.*, rownum rownum_ from ( select this_.id as id63_3_, this_.amount as amount63_3_, this_.arrival_time as arrival3_63_3_, this_.coal_type as coal18_63_3_, this_.coal_source as coal15_63_3_, this_.diggings as diggings63_3_, this_.loadstation as loadsta17_63_3_, this_.manufactory as manufac16_63_3_, this_.lod_coal_type as lod4_63_3_, this_.old_stack_id as old5_63_3_, this_.port_sell_id as port6_63_3_, this_.remark as remark63_3_, this_.source_id as source8_63_3_, this_.sourcebz_type as sourcebz9_63_3_, this_.stack_id as stack10_63_3_, this_.train_no as train11_63_3_, this_.trainbusiness_id as trainbu12_63_3_, this_.vessel_id as vessel13_63_3_, coalclass2_.id as id40_0_, coalclass2_.abbr as abbr40_0_, coalclass2_.is_activated as is3_40_0_, coalclass2_.name as name40_0_, coalclass2_.parent_id as parent5_40_0_, coalclass2_.parent_name as parent6_40_0_, coalclass2_.remark as remark40_0_, coalclass2_.type as type40_0_, coalclass2_.type_ii as type9_40_0_, coalsource3_.id as id41_1_, coalsource3_.abbr as abbr41_1_, coalsource3_.name as name41_1_, coalsource3_.remark as remark41_1_, loadstatio4_.id as id48_2_, loadstatio4_.abbr as abbr48_2_, loadstatio4_.address as address48_2_, loadstatio4_.distance as distance48_2_, loadstatio4_.is_activated as is5_48_2_, loadstatio4_.name as name48_2_, loadstatio4_.remark as remark48_2_, loadstatio4_.station_code as station8_48_2_ from ts_stack_inventory this_, bc_coalclass coalclass2_, bc_coal_source coalsource3_, bc_loadstation loadstatio4_ where this_.coal_type=coalclass2_.id(+) and this_.coal_source=coalsource3_.id(+) and this_.loadstation=loadstatio4_.id(+) order by this_.id asc ) row_ ) where rownum_ <= ? and rownum_ > ?
MySQL:
select topic0_.id as id2_, topic0_.categoryId as categoryId2_, topic0_.createDate as createDate2_, topic0_.title as title2_ from topic topic0_ where not (exists (select msg1_.id from Msg msg1_ where msg1_.topicId=topic0_.id)) limit ?, ?
SQL Server:
declare @pagesize int,@pageNum int set @pagesize=10 set @pageNum=2 select * from ( select *,row_number() over(order by 分组字段) rn from 表) a where rn between @pagesize*(@pageNum-1) and @pagesize*(@pageNum)-1