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°ïæ½âÊÍÒ»ÌõSQLÓï¾ä

SQL code:

SQL> select translate('a39as78900d0123456789d','0123456789','') from dual;
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TRANSLATE(string,from_str,to_str)
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·µ»Ø½«£¨ËùÓгöÏֵģ©from_strÖеÄÿ¸ö×Ö·ûÌæ»»Îªto_strÖеÄÏàÓ¦×Ö·ûÒÔºóµÄstring¡£TRANSLATE ÊÇ R ......

Îʸö¼òµ¥sqlÓï¾ä

CREATE VIEW v_GetDate
AS
SELECT dt=CONVERT(CHAR(6),GETDATE(),12)
GO

Õâ¸öSELECT dt=CONVERT(CHAR(6),GETDATE(),12)ÊÇʲôÒâ˼
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WITH(XLOCK,PAGLOCK) »¹ÓÐÕâ¸öÊÇʲôÒâ˼?

SQL code:
WITH(XLOCK,PAGLOCK)
......

sqlÊÂÎñµÄÎÊÌâ¡£¼±£¡£¡

Çë½Ì¹ØÓÚÊÂÎñµÄÎÊÌ⣺

===´úÂ룺
create proc p_test
@id int
as
begin
begin transaction
--´úÂë¿éstart
delete tb_c where pid=@id
delete tb_a where id=@id
delete tb_b where pid=@id
--´úÂë¿éend
if(@@ERROR>0)
rollback transaction --»Ø¹öÊÂÎñ
else
commit tr ......

ÇóÒ»¸öÓôÃÆµÄSQL´æ´¢¹ý³Ì!

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Äê·Ý:2009    »òÕß0 ......

VB 6.0 SQL Êý¾Ý¿â¸üÐÂÎÊÌâ

¸÷λ´óÏÀ  СµÜÔÙ´ÎÓöµ½Ò»¸öÎÊÌ⣬Ê×ÏÈ£¬ÎÒÔÚÊý¾Ý¿âÖн¨Á¢ÁËÁ½Õűí tbs_xsqf(ѧÉúÇ··Ñ)ºÍtbs_xsxx£¨Ñ§ÉúÐÅÏ¢£©£¬tbs_xsqf±í×ֶΣºID  name  money    tbs_xsxx±í×ֶΣºID  name class money  ÎÒÏëʵÏֵŦÄÜÊÇÈà tbs_xsxx±íÖеÄmoneyµÈÓÚtbs_xsqf±íÖеÄmoney  ÎÒÔÚдSQLÓï¾ä¿ÉÒÔÊ ......

Ò»¸ösqlº¯Êýת»»ÎªaccessÖеÄÓï¾ä

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SQL code:

--Éú³É²âÊÔÊý¾Ý
create table BOM(ID INT,PID INT,MSG VARCHAR(1000))
insert into BOM select 1,0,NULL
insert into BOM select 2,1,NULL
insert into BOM select 3,1,NULL
insert into BOM select 4,2,NUL ......
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