´ó¼ÒºÃ£¬ÒòΪ¹¤×÷µÄÐèÒª£¬ÐèÒªÖªµÀÕâЩָ±ê¶ÔÓ¦µÄsqlÓï¾ä£¬±¾ÈËÊý¾Ý¿â·½ÃæÊǸö²ËÄñ£¬ËùÒÔ»¹Çë¸÷λ´óÏÀ°ï棡£¡
ÂÞÁгöµÄÖ¸±êºÜ¶à£¬´óÏÀÃÇÄÜд¼¸¸ö¾Íд¼¸¸ö£¬·Ç³£¸Ðл¡£
ÐÔÄÜ·½Ã棺
ÿСʱ¼ì²éµãµÄ´ÎÊý
ÿÃëÖÓ¿é¸Ä±äµÄ´ÎÊý
ÿÃëÖÓÈ¡¿éµÄ´ÎÊý
ÿÃëÖÓ¶ÔÊý¾Ý¿âÒýÇæµÄµ÷ÓôÎÊý
¼ì²éµãµÄƽ¾ù¼ä¸ôʱ¼ä£¨·ÖÖÓ£©
µ±Ç°µÄ½»Ò×Ê ......
Èç¹ûA±íÓÐ100¸ö×ֶΣ¬ÈçºÎ¸øÕâ±íÔö¼ÓÒ»Ìõ¼Ç¼¶¼ÊÇ1
ËùÓÐ×ֶεÄÖµ¶¼ÊÇ1£¿
SQL code:
insert into A(×Ö¶Î1£¬×Ö¶Î2£¬¡£¡£¡£) values(1,1,...)
¶¥Â¥ÉÏ....
SQL code:
DECLARE @sql VARCHAR(1000)
SELECT @sql= 'select 1'+REPLICATE(',1',99)
EXEC('insert [Table] '+@sql)
д¸öÑ»·²»¾ÍÐÐÁË
ÓеãÂé·³¡ ......
SQL code:
SELECT t1.brid,t1.productId,t1.sellerId,t1.price,t1.inputDt from
(SELECT *from dbo.vw_BidReply_list WHERE bid=7) t1,
(SELECT MIN(price) AS minPrice,productId from dbo.vw_BidReply_list a WHERE bid=7 GROUP BY productId
) t2
WHERE t1.price=t2.minPrice AND t1.productId=t2.productId
- ......
ÏÖÔÚ Óиö ±í ×Ö¶ÎΪ A1,A2,A3,A4,A5
ÎÒ¶¨ÒåÁ˼¸¸ö±äÁ¿ ÀýÈ磺
v_B1 NUMBER;
v_B2 NUMBER;
v_B3 NUMBER;
ÎÒÒª²é³öÒ»¸ö½á¹û¼¯£»
Õâ¸ö½á¹û¼¯ºÏÒªÇó£º
select SUM(A1)/COUNT(DISTINCT A2) into v_B1 from t_daylog_agentoprinfo;
select SUM(A3)/SUM(A4) into v_B2 from t ......
1,2
4,5,6
ÉÏÃæÁ½¸ö×Ö·û´®ÖмäÓöººÅ¸ô¿ª£¬ÇóÒ»¾äsql²åÈëµ½ÏÂÃæµÄ±íÖÐ
AID BID
1 4
1 5
1 6
2 4
2 5
2 6
1,2
4,5,6
ÊÇ·ÅÔÚÄÄÀïµÄ°¡...
ÒýÓÃ
1,2
4,5,6
ÊÇ·ÅÔÚÄÄÀïµÄ°¡...
ÊÇÁ½¸ö²ÎÊý
SQL code:
declare @s1 varchar(1000),@s2 varchar(1000),@str varchar(1000)
sele ......
Èç¹ûA±íÓÐ100¸ö×ֶΣ¬ÈçºÎ¸øÕâ±íÔö¼ÓÒ»Ìõ¼Ç¼¶¼ÊÇ1
SQL code:
DECLARE @sql VARCHAR(1000)
SELECT @sql= 'select 1'+REPLICATE(',1',99)
EXEC('insert [Table] '+@sql)
insert into A select 1,1,1,1,1,1,1.....
ÒýÓÃ
SQL code
DECLARE @sql VARCHAR(1000)
SELECT @sql= 'select 1'+REPLICATE(',1',99)
EXEC ......