配送配货单商品明细查询 sql 优化
c06 --------------7545623条
c05---------------1032652条
vc01--------------427741条
SQL Statement from editor:
select c0602 "商品编码",c0625 "商品条码",
c0103 "商品名称",c0104 "规格",c0604 "配货件数",
c0605 "配货数量",c0618 "计划赠品数",c0606 "实际出库数",
c0621 "出库赠品数",c0610 "门店实收数",c0611 "实收赠品数",
c0609 "剩余商品入库",c0622 "剩余商品报损"
from c05,c06,vc01 where c0501=c0601 and c0602=c0101
and to_char(c0538,'yyyy.mm.dd')
between '2009.1.1' and '2009.2.28'
------------------------------------------------------------
Statement Id=7 Type=SORT
Cost=4827 TimeStamp=20-04-10::16::02:13
(1) SELECT STATEMENT CHOOSE
Est. Rows: 35,042 Cost: 15,955
(9) MERGE JOIN
Est. Rows: 35,042 Cost: 15,955
(6) SORT JOIN
Est. Rows: 35,042 Cost: 11,128
(5) TABLE ACCESS BY INDEX ROWID FZDC.C06 [Analyzed]
(5) Blocks: 34,464 Est. Rows: 35 of 2,411,508 Cost: 9
Tablespace: FZ_DAT
(4) NESTED LOOPS
&nb
相关文档：
实验内容：
掌握SQL Server 2000的预编译程序NSQLPREP.EXE的使用（以课本例题1进行调试）；
实验步骤：
一、数据库环境配置
1、创建xuesheng数据库，建立student表等；
2、关闭sql server 2000服务管理器；
3、将devtools文件夹拷贝到：C:\Program Files\Microsoft SQL Server
4、将Binn文件夹拷贝到：C:\Program ......
１.建一张表 存放数据 在下面ＳＱＬ函数中有用到
create table solardata
(
yearid int not null,
data char(7) not null, ......
1 Export data to existing EXCEL file
from SQL Server table
insert into OPENROWSET('Microsoft.Jet.OLEDB.4.0',
'Excel 8.0;Database=D:\testing.xls;',
'SELECT * from [SheetName$]') select * from SQLServerTable
2 Export data from Excel to new SQL Server table
select *
into SQLServerTab ......
/*获取重复记录中较小的那个ID*/ create table tmp_Repeat as select min(id) as id from poi group by idcode having count(*) >1; /*备份删除的数据*/ select * from poi where id in (select id from tmp_repeat) /*删除重复记录中ID较小的那条
select replace('阿桂是个好孩子','阿桂','小贤') from du ......
