@sqls,varchar(20),Ò»¸ö²éѯÓï¾ä!
ÇëÎÊÈçºÎÅжÏexec(@sqls)ÊÇ·ñÓÐÊý¾Ý?
SQL code:
if @@eowcount >0
print 'you'
else
print 'wu'
SQL code:
if @@rowcount>1
if @@rowcount>0
@@rowcount
try
sqls,varchar(20),Ò»¸ö²éѯÓï¾ä!
ÇëÎÊÈçºÎÅжÏexec(@sqls)ÊÇ·ñÓÐÊý¾Ý?
SQL code:
if @@ ......
±íAÁ½¸ö×Ö¶Î
±íµÄ½á¹¹A(ÈÕÆÚ,½á¹û)
ÓÐÕâô¶àÊý¾Ý
2009 ʤ
2009 ʤ
2009 ¸º
2009 ¸º
2008 ʤ
2008 ¸º
---------------------Êä³ö½á¹û
ÈÕÆÚ Ê¤ ¸º
2009 2 2
2008 1 1
--------------------------
sqlÓï¾äÔõôд?
Â¥ÉϵÄдµÃºÃ¡£
ÄÐÅ®´îÅ䣬¸É»î²»ÀÛ
С»¢Ò» ......
¿Í»§Ãû³Æ Îï×ʱàÂë ¹ºÂòÊýÁ¿
A 001 12
A 002 13
A 001 10
B 002 ......
ÎÒ±àÁ˸öС³ÌÐò£¬adoqueryÊôÐÔconnectionstringÀïÁ¬½Ó×Ö´®ÖеÄdata source=ipʱºòÄÜÁ¬ÉÏÊý¾Ý¿â,µ«Ð´³É=·þÎñÆ÷ÃûÈ´Á¬²»ÉÏ£¬µ½µ×ÊÇÔõô»ØÊÂÄØ£¿
·þÎñÆ÷ÃûдÕýÈ·ÁËÂð£¿
ÏÈÔÚÑ¡ÔñÁ¬½Ó·½Ê½ºÍÁ¬½ÓÊý¾Ý¿âʱ²âÊÔÏ¡£
·þÎñÆ÷Ãû¾ø¶ÔдµÄÕýÈ·¡£ÔÚ´ËÖ»¿¼ÂÇʹÓÃ×Ö·û´®Á¬½ÓµÄÇé¿ö¡£
Äã²éÒ»ÏÂÍøÂçÀïµÄNetBIOSÐÒéÊÇ·ñ°²×°ÁË
To ......
³õʼ»¯Ê״βâÊÔÇëʹÓÃÓû§Ãû: scott, ¿ÚÁî: tiger
ÕýÔÚ³¢ÊÔʹÓÃÒÔÏÂÓû§ ID Á¬½Ó:scott
²âÊÔûÓгɹ¦¡£
ORA-12514: TNS: ¼àÌý³ÌÐòµ±Ç°ÎÞ·¨Ê¶±ðÁ¬½ÓÃèÊö·ûÖÐÇëÇóµÄ·þÎñ
²»ÖªµÀÔõô»ØÊ£¬Çó½Ì´óÏÀÃÇ£¡Íò·Ö¸Ð¼¤£¡
ORA-12514: TNS: ¼àÌý³ÌÐòµ±Ç°ÎÞ·¨Ê¶±ðÁ¬½ÓÃèÊö·ûÖÐÇëÇóµÄ·þÎñ
1.
²é¿´Ò»Ï¼àÌýÊÇ·ñ´ò¿ª.
lsnrctl s ......
CREATE PROCEDURE dbo.my AS
set nocount on
begin
select * into #ls1 from
(select * from a where f_yf='2') t
go
¼ÙÉèÎÒµÄsqlÒѾÓÐÁËÕâÑùµÄÒ»¸ö´¢´æ¹ý³Ì,aspÍøÒ³µ÷ÓÃÕâ¸ö´¢´æ¹ý³Ìmy.
Äܲ»ÄÜÖ¸µãÏÂÕâ¸öf_yf='2' ¿ÉÒÔÓÉÍøÒ³ÊäÈë½øÈëÕâ¸ö´¢´æ¹ý³ÌÂð? ±ÈÈçÒ»¸öÏÂÀ²Ëµ¥ÓÐ1-12µÄÊý×ÖÑ¡Ïî,Ñ¡Ôñ1È»ºó°´² ......