·ÀÖ¹SQL×¢Èë
Ò»¡¢Ê¹ÓòÎÊý»¯ÊäÈë¡£´æ´¢¹ý³ÌÀᄀÁ¿±ÜÃâÓï¾äÆ´½Ó¡£
¶þ¡¢¶ÔÓÚһЩÊý¾Ý¿â£¬±ØÐëÉèÖÃȨÏÞ£¬ÉõÖÁÉèÖõ½×ֶΡ£
Èý¡¢Ê¼ÖÕͨ¹ý²âÊÔÀàÐÍ¡¢³¤¶È¡¢¸ñʽºÍ·¶Î§À´ÑéÖ¤Óû§ÊäÈë¡£
ËÄ¡¢¹ýÂËÃô¸Ð×Ö·û¡£
Function ReplaceStr(Str)
Str=Trim(Str)
Str=Replace(Str,"'","'")
Str=Replace(Str,";",";")
Str=Replace(Str," "," ")
Str=Replace(Str,"""","”")
Str=Replace(Str,"%","")
Str=Replace(Str,"__","")
Str=Replace(Str,"--","--")
Str=Replace(Str,"\","\")
Str=Replace(Str,"?","")
Str=Replace(Str,vbcrlf,"<br>")
Str=Replace(str,"0x0020","")
ReplaceStr=Str
End Function
Ïà¹ØÎĵµ£º
1.½¨±í
create table temp(rq varchar(10),shengfu nchar(1))
2.²åÈëÊý¾Ý
insert into temp values('2005-05-09','ʤ')
insert into temp values('2005-05-09','ʤ')
insert into temp values('2005-05-09','¸º')
insert into temp values('2005-05-09','¸º')
insert into temp values('2005-05-10','ʤ')
insert i ......
SQL×¢Èë¹¥»÷·À·¶¼¼ÇÉ
Ò»°ãµÄSQL×¢Èë¹¥»÷¶¼ÊÇͨ¹ý¹¹½¨Ò»Ìõ¸´ÔÓµÄsqlÓï¾ä£¬
ͨ¹ýÍøÒ³Â©¶´À´Ö´ÐÐsqlÓï¾ä£¬´ïµ½¹¥»÷Êý¾Ý¿âµÄÄ¿µÄ¡£
Èçͨ¹ýÎÄÕÂIDÀ´²éѯijһƪÎÄÕµÄÍøÒ³£¬
ͨ³£²ÉÓõÄsqlÓï¾äΪ£º
sql="select top 1 * from articles where articId="&request("id")
ÄÇô¿ÉÒÔ¼òµ ......
Ò»¡¢×Ö·ûת»»º¯Êý
1¡¢ASCII()
·µ»Ø×Ö·û±í´ïʽ×î×ó¶Ë×Ö·ûµÄASCII ÂëÖµ¡£ÔÚASCII£¨£©º¯ÊýÖУ¬´¿Êý×ÖµÄ×Ö·û´®¿É²»ÓÑ’À¨ÆðÀ´£¬µ«º¬ÆäËü×Ö·ûµÄ×Ö·û´®±ØÐëÓÑ’À¨ÆðÀ´Ê¹Ó㬷ñÔò»á³ö´í¡£
2¡¢CHAR()
½«ASCII Âëת»»Îª×Ö·û¡£Èç¹ûûÓÐÊäÈë0 ~ 255 Ö®¼äµÄASCII ÂëÖµ£¬CHAR£¨£© ·µ»ØNULL ¡£
3¡¢LOWER()ºÍ ......
ʹÓÃPL/SQL developerÔ¶³Ì·ÃÎÊoracleÊý¾Ý¿âʱ£¬Ê×ÏÈҪȷ¶¨±¾»úÖÐ×°ÓÐoracle¿Í»§¶Ë¡£Ä¿Ç°»¹²»ÖªµÀÄÄÀïµ¥¶ÀµÄoracle¿Í»§¶Ë°²×°°ü¡££¨ÒòΪÎÒÓõÄÊÇoracle10g£¬oracle10g°²×°µÄ¹ý³ÌÖÐûÓÐÌØ¶¨µÄ¿Í»§¶ËÑ¡ÏËùÒÔÎÒÒ»°ã¶¼ÊÇÔÚ±¾»úÓð²×°oracleËùÓй¦ÄÜ£©
ÔÚ±¾»ú°²×°ºÃoracle¿Í»§¶Ëºó£¬ÎÒÃÇÔÚ±¾»ú(¼´¿Í»§¶Ë)µÄoracleµÄ°²×°Ä¿Â¼Ï ......
---//´´½¨·ÖÇø
CREATE PARTITION FUNCTION MarketInfo_Bak_partfunc(int)
AS RANGE RIGHT
FOR VALUES (10000,25000,40000)
--//´´½¨·ÖÇø¼Ü¹¹
CREATE PARTITION SCHEME MarketInfo_Bak_partscheme
¡¡¡¡AS PARTITION MarketInfo_Bak_partfunc
¡¡¡¡TO (fg1, fg2, fg3, fg4) --//fg1...fg4Îļþ×éÃû
--//¶Ô±í½ø ......