sql ½ØÈ¡×Ö·û´®
ÎÒÒªµÃµ½Ò»¸ö×Ö·û´®È磺
sdfk|||sgts
sdfsfd|||rgreg
wrfw|||sefw
¾ÍÊÇÒªµÃµ½|||ºóÃæµÄ×Ö·û´®£¬ÓÐʲôº¯ÊýÂð£¿ÔõôÓÃÄØ£¿Ð»Ð»£¡
SQL code:
select
right(col,len(col)-charindex('|||',col)-2)
from
tb
SQL code:
--> ²âÊÔÊý¾Ý£º[TB]
if object_id('[TB]') is not null drop table [TB]
create table [TB]([col] varchar(14))
insert [TB]
select 'sdfk|||sgts' union all
select 'sdfsfd|||rgreg' union all
select 'wrfw|||sefw'
select parsename(replace(col,'|||','.'),1) from [TB]
/*
--------------------------------------------------------------------------------------------------------------------------------
sgts
rgreg
sefw
£¨ËùÓ°ÏìµÄÐÐÊýΪ 3 ÐУ©
*/
drop table TB
SQL code:
SELECT STUFF(COL,CHARINDEX('|||',COL)+2,'') from TB
SQL code:
--try
select substring(replace(aa,'|||','|'),charindex('|',aa)+1,100) from @tb
Ïà¹ØÎÊ´ð£º
½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿
21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......
sql¿ÉÒÔÓÐÁ½¸öÒÔÉϵĴ¥·¢Æ÷Â𣿣¿ÎÒÖ¸µÄÊÇfor´¥·¢Æ÷£¬ÄÇÆäËûµÄÄØ£¿£¿
ʲôÒâ˼£¿
¿ÉÒÔµÄ
10¸ö¶¼Ã»ÎÊÌâ
¿ÉÊÇÎÒдÁËÁ½¸öfor insert ´¥·¢Æ÷£¬Ôì³É½ø³Ì×èÈûÁËÄØ£¿Ôõô°ìÄØ£¿Çë¸ßÈËÖ¸µã
......
select convert(varchar(50),cast(convert(numeric(18,2),1275674000000/100000000)as real))+'ÒÚ'
select cast(convert(numeric(18,2),1275674000000/100000000)as real)
ΪʲôÉÏÒ»¸öÓÃvarcharת»»ºó¾ÍÖ»±£ÁôÁËÒ ......
ÏÖÔÚÓÐa1,a2Á½±í
a1
id name aa cc
001 aaaa bbb cc
002 bbb bbb bbb
003 ccc ccc ccc
004 ddd ddd ddd
005 eee eee eee
a2
id ida2 ff b ......
ÓÐÁ½¸öͬÑùµÄ±í½á¹¹
±í½á¹¹ÈçÏ£º
id£¨ÐòºÅ£© parentid £¨¸¸½áµãÐòºÅ£© name(½áµãÃû³Æ)
±í1 ¼Ç¼ 1 0 aaa
2 ......