Oracle¸üжàÐÐ
¸üжàÐеIJ½Ö裺
²½Öè¶à£¬µ«Ð§ÂʱȽϸߣº
1¡¢create table ÁÙʱ±í value (select a.id,a.name,b.name,... from table1 a,table2 b where a.id=b.id)
2¡¢É¾³ýtable1ÖеļǼ£¬²»Òªdrop
3¡¢insert into table1 select ÄãÐèÒªµÄ×Ö¶Î from ÁÙʱ±í¡£
select * from tb_ai03
create table tb_ai031 as select * from tb_ai03
delete from tb_ai03 a where a.yymm in ('200911','200910')
insert into tb_ai03
select a.model,a.yysal/b.unitestrip as yysal ,a.mmsal/b.unitestrip as mmsal,
a.yychu/b.unitestrip as yychu,a.mmchu/b.unitestrip as mmchu,a.yymm
from tb_ld04 b,tb_ai031 a
where a.model=b.model(+) and a.yymm in ('200911','200910')
Ïà¹ØÎĵµ£º
ÔÚVSÖÐдSQLÓï¾äµÄʱºò£¬Ç§ÍòÍòǧҪСÐÄÔÙСÐÄ£¬±ÈÈç ˵ Êý¾ÝÀàÐÍµÄÆ¥Å䣬 µ¥ÒýºÅ£¨Õâ¸öÄܰÑÈËÃÔËÀ£©
where ×Ó¾äÖпÉǧÍò²»ÄÜÓпոñ£¨µ±²éѯÌõ¼þΪ×Ö·û´®µÄʱºòÄܰÑÄãŪ·è£¬ÎÒŪÕâ¸öµÄʱºò¶¼·èÁ˼¸´ÎÁË£¬Ê²Ã´¶¼¶Ô¾ÍÊDz鲻³öÀ´£¬µ÷ÊÔÁËN±é²Å·¢ÏÖ¡££©²»ÐÐÁË£¬³Ô·¹È¥£¬ÔÙ²»³Ô¿´¼û»îÈ˶¼ÏëÒ§ÁË¡£ ......
¿Î³Ì¸ÅÒª
¿Î³Ì±àºÅ
£ºXY-DB-V01
ÅàÑøÄ¿±ê
£º¾ß±¸Êµ¼Ê²Ù×÷ÄÜÁ¦µÄ Oracle Êý¾Ý¿â¹ÜÀíÔ±
רעOracleʵսÄÜÁ¦µÄÇ¿»¯£¬ÍêÈ«¸²¸ÇOCP¿Î³ÌÄÚÈÝ£¬¾ßÓиü´óµÄѧϰǿ¶ÈºÍ¸ü³¤µÄѧϰʱ¼ä¡£
ÈëѧÌõ¼þ
£º¶ÔOracle»òÆäËü¹ØÏµÊý¾Ý¿âÓÐÒ»¶¨µÄ»ù´¡Õß
°à±ð¼°ÊÚ¿Îʱ¼ä
£ºÍѲú°àÀúʱ1¸öÔ£¬1 ......
ÎÊÌ⣺Êý¾Ý¿âΪ£ºOracle Database 10g Release 2
¡¡¡¡²Ù×÷ϵͳΪ£ºWindows Vista/Windows XP MCE(Á½¸ö²Ù×÷ϵͳ·Ö±ð°²×°ºó³öÏÖÏàͬÎÊÌâ)
¡¡¡¡Êý¾Ý¿â°²×°ºó(һ·ĬÈÏÖµ)£¬³¢ÊÔInsertÊý¾ÝºóSelect³öÀ´£¬ÔÀ´µÄÖÐÎÄ×Ö¶ÎÖµ±ä³ÉÁË??????ÐÎʽµÄÂÒÂ룬¸ÃÈçºÎ½â¾ö£¿
¡¡¡¡ÔÚÍøÉϲéÁËһЩ×ÊÁÏ£¬ËµÊÇ·þÎñÆ÷Óë¿Í»§¶Ë×Ö·û¼¯²»Æ¥Å䣬µ«Î ......
ORACLEµÄlpadº¯Êý¡¢rpadº¯ÊýÓ÷¨
Óï·¨£ºselect lpad('12345678',1,'0') from dual;
·µ»Ø×Ö·û´®‘12345678’µÄ´Ó×ó±ß³¤¶ÈΪ1µÄ×Ö·û´®£¬Èç¹û²»¹»£¬×ó±ß²¹‘0’
Óï·¨£ºselect rpad('12345678',1,'0') from dual;
·µ»Ø×Ö·û´®‘12345678’µÄ´Ó×ó±ß³¤¶ÈΪ1µÄ×Ö·û´®£¬Èç¹û²»¹»£¬Óұ߲¹&ls ......
ÎÒÃÇÔÚ´´½¨±í½á¹¹µÄ¹ý³ÌÖУ¬¿ÉÄÜ»áÓÉÓÚʧÎó£¬Ôì³É±íÖÐÁÐÃû´íÎó£¬ÈçºÎ¸ü¸ÄÄØ£¬Äã¿ÉÄÜ»á»Ø´ð£¬Ê¹ÓÃOEM»òÕßPL/SQL£¬³ýÁËÕâÁ½ÖÖ·½·¨£¬ÎÒÃÇ¿ÉÒÔʹÓÃÃüÁ
ALTER TABLE ±íÃû rename column ÁÐÃû to ÐÂÁÐÃû ×¢ÒâcolumnÊǹؼü×Ö /*ÖØÃüÃûÁÐÃû*/
ALTE ......