锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲色偷精品一区二区三区,亚洲大尺度无码专区尤物,亚洲Av无码精品色午夜http://www.tkk7.com/lescony/category/6159.htmlzh-cnFri, 02 Mar 2007 06:42:56 GMTFri, 02 Mar 2007 06:42:56 GMT60Oracle PL/SQL璇█鍩虹(1)http://www.tkk7.com/lescony/archive/2005/12/26/25467.html綆鍗曠埍綆鍗曠埍Mon, 26 Dec 2005 09:22:00 GMThttp://www.tkk7.com/lescony/archive/2005/12/26/25467.htmlhttp://www.tkk7.com/lescony/comments/25467.htmlhttp://www.tkk7.com/lescony/archive/2005/12/26/25467.html#Feedback0http://www.tkk7.com/lescony/comments/commentRss/25467.htmlhttp://www.tkk7.com/lescony/services/trackbacks/25467.htmlPL/SQL鍧楃粨鏋?/SPAN>

PL/SQL鏄竴縐嶅潡緇撴瀯鐨勮璦錛岀粍鎴?/SPAN>PL/SQL紼嬪簭鐨勫崟鍏冩槸閫昏緫鍧楋紝涓涓?/SPAN>PL/SQL 紼嬪簭鍖呭惈浜嗕竴涓垨澶氫釜閫昏緫鍧楋紝姣忎釜鍧楅兘鍙互鍒掑垎涓轟笁涓儴鍒嗐備笌鍏朵粬璇█鐩稿悓錛屽彉閲忓湪浣跨敤涔嬪墠蹇呴』澹版槑錛?/SPAN>PL/SQL鎻愪緵浜嗙嫭绔嬬殑涓撻棬鐢ㄤ簬澶勭悊寮傚父鐨勯儴鍒嗭紝涓嬮潰鎻忚堪浜?/SPAN>PL/SQL鍧楃殑涓変釜涓嶅悓閮ㄥ垎錛?/SPAN>

1.         澹版槑閮ㄥ垎(Declaration section)

澹版槑閮ㄥ垎鍖呭惈浜嗗彉閲忓拰甯擱噺鐨勬暟鎹被鍨嬪拰鍒濆鍊箋傝繖涓儴鍒嗘槸鐢卞叧閿瓧DECLARE寮濮嬶紝濡傛灉涓嶉渶瑕佸０鏄庡彉閲忔垨甯擱噺錛岄偅涔堝彲浠ュ拷鐣ヨ繖涓閮ㄥ垎錛涢渶瑕佽鏄庣殑鏄父鏍囩殑澹版槑涔熷湪榪欎竴閮ㄥ垎銆?/SPAN>

2.         鎵ц閮ㄥ垎(Executable section)

鎵ц閮ㄥ垎鏄?/SPAN>PL/SQL鍧椾腑鐨勬寚浠ら儴鍒嗭紝鐢卞叧閿瓧BEGIN寮濮嬶紝鎵鏈夌殑鍙墽琛岃鍙ラ兘鏀懼湪榪欎竴閮ㄥ垎錛屽叾浠栫殑PL/SQL鍧椾篃鍙互鏀懼湪榪欎竴閮ㄥ垎銆?/SPAN>

3.         寮傚父澶勭悊閮ㄥ垎(Exception section)

榪欎竴閮ㄥ垎鏄彲閫夌殑錛屽湪榪欎竴閮ㄥ垎涓鐞嗗紓甯告垨閿欒銆?/SPAN>

 

PL/SQL鍧楄娉?/SPAN>

[DECLARE] 
---declaration statements 
BEGIN 
---executable statements 
[EXCEPTION] 
---exception statements 
END

      PL/SQL鍧椾腑鐨勬瘡涓鏉¤鍙ラ兘蹇呴』浠ュ垎鍙風粨鏉燂紝SQL璇彞鍙互鏄琛岀殑錛屼絾鍒嗗彿琛ㄧず璇ヨ鍙ョ殑緇撴潫銆備竴琛屼腑鍙互鏈夊鏉?/SPAN>SQL璇彞錛屼粬浠箣闂翠互鍒嗗彿鍒嗛殧銆傛瘡涓涓?/SPAN>PL/SQL鍧楃敱BEGIN鎴?/SPAN>DECLARE寮濮嬶紝浠?/SPAN>END緇撴潫銆傛敞閲婄敱--鏍囩ず銆?/SPAN>

 

PL/SQL鍧楃殑鍛藉悕鍜屽尶鍚?/SPAN>

PL/SQL紼嬪簭鍧楀彲浠ユ槸涓涓懡鍚嶇殑紼嬪簭鍧椾篃鍙互鏄竴涓尶鍚嶇▼搴忓潡銆傚尶鍚嶇▼搴忓潡鍙互鐢ㄥ湪鏈嶅姟鍣ㄧ涔熷彲浠ョ敤鍦ㄥ鎴風銆?/SPAN>

鍛藉悕紼嬪簭鍧楀彲浠ュ嚭鐜板湪鍏朵粬PL/SQL紼嬪簭鍧楃殑澹版槑閮ㄥ垎錛岃繖鏂歸潰姣旇緝鏄庢樉鐨勬槸瀛愮▼搴忥紝瀛愮▼搴忓彲浠ュ湪鎵ц閮ㄥ垎寮曠敤錛屼篃鍙互鍦ㄥ紓甯稿鐞嗛儴鍒嗗紩鐢ㄣ?/SPAN> 
       PL/SQL紼嬪簭鍧楀彲琚嫭绔嬬紪璇戝茍瀛樺偍鍦ㄦ暟鎹簱涓紝浠諱綍涓庢暟鎹簱鐩歌繛鎺ョ殑搴旂敤紼嬪簭閮藉彲浠ヨ闂繖浜涘瓨鍌ㄧ殑PL/SQL紼嬪簭鍧椼?/SPAN>ORACLE鎻愪緵浜嗗洓縐嶇被鍨嬬殑鍙瓨鍌ㄧ殑紼嬪簭:鍑芥暟錛涜繃紼嬶紱鍖呭拰瑙﹀彂鍣?/SPAN>

 

1.鍑芥暟

鍑芥暟鏄懡鍚嶄簡鐨勩佸瓨鍌ㄥ湪鏁版嵁搴撲腑鐨?/SPAN>PL/SQL紼嬪簭鍧椼傚嚱鏁版帴鍙楅浂涓垨澶氫釜杈撳叆鍙傛暟錛屾湁涓涓繑鍥炲鹼紝榪斿洖鍊肩殑鏁版嵁綾誨瀷鍦ㄥ垱寤哄嚱鏁版椂瀹氫箟銆傚畾涔夊嚱鏁扮殑璇硶濡備笅錛?/SPAN>

FUNCTION name [{parameter[,parameter,])] RETURN datatypes IS 
[local declarations] 
BEGIN 
execute statements 
[EXCEPTION 
exception handlers] 
END [name]


    2.榪囩▼

瀛樺偍榪囩▼鏄竴涓?/SPAN>PL/SQL紼嬪簭鍧楋紝鎺ュ彈闆朵釜鎴栧涓弬鏁頒綔涓鴻緭鍏?/SPAN>(INPUT)鎴栬緭鍑?/SPAN>(OUTPUT)銆佹垨鏃綔杈撳叆鍙堜綔杈撳嚭(INOUT)錛屼笌鍑芥暟涓嶅悓錛屽瓨鍌ㄨ繃紼嬫病鏈夎繑鍥炲鹼紝瀛樺偍榪囩▼涓嶈兘鐢?/SPAN>SQL璇彞鐩存帴浣跨敤錛屽彧鑳介氳繃EXECUT鍛戒護鎴?/SPAN>PL/SQL紼嬪簭鍧楀唴閮ㄨ皟鐢紝瀹氫箟瀛樺偍榪囩▼鐨勮娉曞涓嬶細

PROCEDURE name [(parameter[,parameter,])] IS 
[local declarations] 
BEGIN 
execute statements
[EXCEPTION 
exception handlers ]
END [name]

 

3.鍖?/SPAN>(package)

鍖呭叾瀹炲氨鏄緇勫悎鍦ㄤ竴璧風殑鐩稿叧瀵硅薄鐨勯泦鍚堬紝褰撳寘涓換浣曞嚱鏁版垨瀛樺偍榪囩▼琚皟鐢紝鍖呭氨琚姞杞藉叆鍐呭瓨涓紝鍖呬腑鐨勪換浣曞嚱鏁版垨瀛樺偍榪囩▼鐨勫瓙紼嬪簭璁塊棶閫熷害灝嗗ぇ澶у姞蹇?/SPAN>

鍖呯敱涓や釜閮ㄥ垎緇勬垚錛氳鑼冨拰鍖呬富浣?/SPAN>(body),瑙勮寖鎻忚堪鍙橀噺銆佸父閲忋佹父鏍囥佸拰瀛愮▼搴忥紝鍖呬綋瀹屽叏瀹氫箟瀛愮▼搴忓拰娓告爣銆?/SPAN>


    4.瑙﹀彂鍣?/SPAN>(trigger)

瑙﹀彂鍣ㄤ笌涓涓〃鎴栨暟鎹簱浜嬩歡鑱旂郴鍦ㄤ竴璧風殑錛屽綋涓涓Е鍙戝櫒浜嬩歡鍙戠敓鏃訛紝瀹氫箟鍦ㄨ〃涓婄殑瑙﹀彂鍣ㄨ瑙﹀彂銆?/SPAN>



]]>鍦∣racle 10g閲屽惎鍔ㄨ嚜鍔ㄥ綊妗ｆā寮?/title><link>http://www.tkk7.com/lescony/archive/2005/12/16/24213.html</link><dc:creator>綆鍗曠埍</dc:creator><author>綆鍗曠埍</author><pubDate>Fri, 16 Dec 2005 07:18:00 GMT</pubDate><guid>http://www.tkk7.com/lescony/archive/2005/12/16/24213.html</guid><wfw:comment>http://www.tkk7.com/lescony/comments/24213.html</wfw:comment><comments>http://www.tkk7.com/lescony/archive/2005/12/16/24213.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/lescony/comments/commentRss/24213.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/lescony/services/trackbacks/24213.html</trackback:ping><description><![CDATA[鍦∣racle10g涓紝鍙鍚姩鏁版嵁搴撶殑褰掓。妯″紡錛孫racle灝變細鍚敤鑷姩褰掓。錛屼粠鑰岄伩鍏嶄簡10g浠ュ墠鐢變簬鐢ㄦ埛鐤忓拷鎵甯︽潵鐨勪竴緋誨垪闂銆?BR><BR><span id="tnhphjr" class=Code>$ sqlplus "/ as sysdba"</SPAN><BR><BR>SQL*Plus: Release 10.1.0.3.0 - Production on Wed Apr 13 09:53:25 2005<BR><BR>Copyright (c) 1982, 2004, Oracle.  All rights reserved.<BR><BR><BR>Connected to:<BR>Oracle Database 10g Enterprise Edition Release 10.1.0.3.0 - 64bit Production<BR>With the Partitioning and Data Mining options<BR><BR><span id="lz17xpv" class=Code>SQL> archive log list;</SPAN><BR>Database log mode              No Archive Mode<BR>Automatic archival             Disabled<BR>Archive destination            USE_DB_RECOVERY_FILE_DEST<BR>Oldest online log sequence     25<BR>Current log sequence           27<BR><span id="7txrdb9" class=Code>SQL> show parameter log_archive_start</SPAN><BR><BR>NAME                                 TYPE        VALUE<BR>------------------------------------ ----------- ------------------------------<BR>log_archive_start                    boolean     FALSE<BR><span id="jrxhdz1" class=Code>SQL> shutdown immediate;</SPAN><BR>Database closed.<BR>Database dismounted.<BR>ORACLE instance shut down.<BR><BR><span id="vn99zrd" class=Code>SQL> startup mount;</SPAN><BR>ORACLE instance started.<BR><BR>Total System Global Area 3204448256 bytes<BR>Fixed Size                  1304912 bytes<BR>Variable Size             651957936 bytes<BR>Database Buffers         2550136832 bytes<BR>Redo Buffers                1048576 bytes<BR>Database mounted.<BR><span id="j13n9nn" class=Code>SQL> alter database archivelog;</SPAN><BR><BR>Database altered.<BR><BR><span id="39ztlt9" class=Code>SQL> alter database open;</SPAN><BR><BR>Database altered.<BR><BR><span id="fh39h9n" class=Code>SQL> archive log list;</SPAN><BR>Database log mode              Archive Mode<BR>Automatic archival             Enabled<BR>Archive destination            USE_DB_RECOVERY_FILE_DEST<BR>Oldest online log sequence     25<BR>Next log sequence to archive   27<BR>Current log sequence           27<BR>SQL> <BR><img src ="http://www.tkk7.com/lescony/aggbug/24213.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/lescony/" target="_blank">綆鍗曠埍</a> 2005-12-16 15:18 <a 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