Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQLÓï¾äÎÊÌâ¸ßÊÖÇë½ø

ÄÇλ¸ßÊÖÖªµÀÕâ¶ÎSQL´íÔÚʲôµØ·½!
declare @count varchar(10)
declare @sqlName varchar(10)
set @sqlName='consume'
exec(N'select '+@count+'=count(*) from [' +@sqlName+']')
print @count
SQL code:
exec(N'select '+@count+'=count(*) from [' +@sqlName+']')


²»Ðа¡£¬»¹ÊDZ¨
ÏûÏ¢ 102£¬¼¶±ð 15£¬×´Ì¬ 1£¬µÚ 1 ÐÐ
'=' ¸½½üÓÐÓï·¨´íÎó¡£

ÐèÒª¶¯Ì¬Ö´ÐÐ
declare @count varchar(10)
declare @sqlName varchar(10)
set @sqlName='consume'
exec sp_executesql N'select @count=count(*) from [' +@sqlName+']',N'@count int output',@count output
print @count


SQL code:

declare @count int --Õâ¶ù¸ÄÁËһϠ¸Ä³ÉÊý×ÖÐ͵Ä
declare @sqlName varchar(10)
set @sqlName='consume'
exec sp_executesql N'select @count=count(*) from [' +@sqlName+']',N'@count int output',@count output
print @count



лл¥Ö÷²»¹ý»¹ÊÇÓÐ´í±¨
ÏûÏ¢ 102£¬¼¶±ð 15£¬×´Ì¬ 1£¬µÚ 4 ÐÐ
'+' ¸½½üÓÐÓï·¨´íÎó¡£

--ÔÎ ¸Õ²ÅÄǸö²»ÐÐ
SQL code:
declare @count int
declare @s


Ïà¹ØÎÊ´ð£º

sqlת»»ÎÊÌ⣬¼±£¡ - ÉçÇøÖ§³Ö / ¡¶³ÌÐòÔ±¡·ÔÓÖ¾

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 ......

¹ØÓÚSQLSERVERµ×²ãÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ

ÇëÎÊһϣ¬ÍâÍøÁ½Ì¨SQLSERVERʵÀýÊý¾Ý´«Ê䣬ÓÐûÓвÉÓÃÊý¾ÝѹËõºÍ¼ÓÃÜ¡£Ñ¹Ëõ±ÈÊǶàÉÙ£¬¼ÓÃÜÊÇʲô¼ÓÃÜËã·¨£¿Ïà¹ØÎĵµÄÄÀï¿ÉÒÔÕÒµ½£¿Ð»Ð»


ÎÒÒ²ÏëÖªµÀ£¡¹Ø×¢´ËÌù£¡

¹Ø×¢¡«¡«

Êý¾Ý¿â´óÅ£¶¼ÄÄÈ¥Á˰¡£¿
......

sql 2000 ·þÎñÆô¶¯²»ÁË

Ö±½ÓÆô¶¯ µãÁ˵ÈÒ»»á¶ù¾Íû·´Ó¦ÁË È¥·þÎñÄÇÀïÆô¶¯»á³öÏÖÈçÏÂÌáʾ  
³öÏÖ¡°±¾µØ¼ÆËã»úÉϵÄMSSQLSERVER·þÎñÆô¶¯ºóÓÖÍ£Ö¹ÁË¡£Ò»Ð©·þÎñ×Ô¶¯Í£Ö¹£¬Èç¹ûËüÃÇûÓÐʲô¿É×öµÄ 
È»ºó»¹ÓÐʲôʲô²»´æÔÚ  ......

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)
f ......

sql º¯ÊýÎÊÌâ

sql 2005Êý¾Ý¿âÎÒÏëµÃµ½Ò»×Ö·û´®Îª:
sldkf|||sdeww
erkv|||rltdk
jemcl|||ligf
¾ÍÊÇ|||ºóÃæµÄ×Ö·ûÓÐʲôº¯ÊýÄܵõ½Âð£¿ÊÇÔÚsqlÓï¾äдµÄ£¬²»ÊÇÔÚÒ³ÃæÐ´µÄ£¬ÄÇλ¸ßÊÖÀ´Ö¸½ÌÏ£¬ÐÂÊÖ£¬Ð»Ð»
ÔΠ µ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ