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item_cd1 item_cd2 lct
01 a A01-3 B01-1
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IF EXISTS (SELECT TABLE_NAME from INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'm_lct_service')
DROP TABLE m_lct_service
GO
CREATE TABLE m_lct_service (
item_cd1 nvarchar(5) NOT NULL
,item_cd2 nvarchar(10) NOT NULL
,seq_no int NOT NULL
,lct1 nvarchar(3) NOT NULL
,lct2 nvarchar(3) NOT NULL
,stk_qty numeric(15,4)
,ins_emp_cd nvarchar(4) NOT NULL
,ins_date datetime NOT NULL
,upd_emp_cd nvarchar(4) NOT NULL
,upd_date datetime NOT NULL
,CONSTRAINT pk_m_lct_service PRIMARY KEY (
item_cd1
,item_cd2
,seq_no
,lct1
,lct2
)
)
GO
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item_cd1 item_cd2 seq_no lct1 lct2 stk_qty ins_emp_cd ins_date upd_emp_cd upd_date
01 a 1 A01 3 20.0000 fan 2010-01-02 00:00:00.000 fan 2010-01-02 00:00:00.000
01 a 2 B01 1 20.0000 fan 2010-01-02 00:00:00.000 fan 2010-01-02 00:00:00.000
01 a 3 B01 4 20.0000 fan 2010-01-02 00:00:00.000 fan 2010-01-02 00:00:00.000
ʵ¼ÊSql:
select item_cd1,item_cd2,
case when (AA <> BB)
then AA + ' ' + BB
else AA
end as lct
from(
select item_cd1,item_cd2,min(lct) as AA,
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http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14261/sqloperations.htm
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