oracle sqlplus Óëdos ÖÐÎÄÂÒÂë
1.SQL> select * from v$nls_parameters;
PARAMETER VALUE
----------------------------------- ------------------------------------
--------------------
NLS_LANGUAGE SIMPLIFIED CHINESE
NLS_TERRITORY CHINA
NLS_CURRENCY RMB
NLS_ISO_CURRENCY CHINA
NLS_NUMERIC_CHARACTERS .,
NLS_CALENDAR GREGORIAN
NLS_DATE_FORMAT DD-MON-RR
NLS_DATE_LANGUAGE SIMPLIFIED CHINESE
NLS_CHARACTERSET ZHS16GBK
NLS_SORT BINARY
NLS_TIME_FORMAT HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT
Ïà¹ØÎĵµ£º
ѧϰOracle DBAÒ²°ë¸ö¶àѧÆÚÁË£¬½ñÌìÃÍÈ»²Å·¢ÏÖ£¬ÔÀ´ÎÒµÄÊ黹ÊǺÜеģ¬ÉϿβÙ×÷ʱºòÒ²Ö»ÊÇÖªµÀ´ó¸ÅÔõô×ö£¬µ«ÊÇÒªÕæµÄÈ«²¿×Ô¼º×ö£¬¶ø²»È¥·Ê黹ÊÇÓÐÒ»¶¨µÄÄѶȵģ¬ËùÒÔÄØ£¬½ñÌ쿪ʼ½«DBA´ÓÍ·¸´Ï°Ò»±é£¬Í¬Ê±ÔÙ²Ù×÷Ò»±é¡£
µÚÒ»Õ£¬Ñ§µÄÊÇOracleµÄÌåϵ½á¹¹£ ......
Ò»¡¢¶¨Î»
¡¡¡¡oracle·ÖÁ½´ó¿é£¬Ò»¿éÊÇ¿ª·¢£¬Ò»¿éÊǹÜÀí¡£¿ª·¢Ö÷ÒªÊÇдд´æ´¢¹ý³Ì¡¢´¥·¢Æ÷ʲôµÄ£¬»¹ÓоÍÊÇÓÃOracleµÄDevelop¹¤¾ß×öform¡£ÓеãÀàËÆÓÚ³ÌÐòÔ±£¬ÐèÒªÓнÏÇ¿µÄÂ߼˼άºÍ´´ÔìÄÜÁ¦£¬¸öÈ˾õµÃ»á±È½ÏÐÁ¿à£¬ÊÇÇà´º·¹J£»¹ÜÀíÔòÐèÒª¶ÔoracleÊý¾Ý¿âµÄÔÀíÓÐÉî¿ÌµÄÈÏʶ£¬ÓÐÈ«¾Ö²Ù×ݵÄÄÜÁ¦ºÍ½ôÃܵÄ˼ά£¬ÔðÈνϴó£¬ÒòΪһ ......
decode()º¯數ʹÓü¼ÇÉ
·Èí¼þ»·¾³£º
1¡¢Windows NT4.0+ORACLE 8.0.4
2¡¢ORACLE°²×°Â·¾¶Îª£ºC:\ORANT
·º¬Òå½âÊÍ£º
decode(Ìõ¼þ,Öµ1,·ÒëÖµ1,Öµ2,·ÒëÖµ2,...Öµn,·ÒëÖµn,ȱʡֵ)
¸Ãº¯ÊýµÄº¬ÒåÈçÏ£º
IF Ìõ¼þ=Öµ1 THEN
¡¡¡¡¡¡¡¡RETURN(·ÒëÖµ1)
ELSIF Ìõ¼þ=Öµ2 THEN
¡¡¡¡¡¡¡¡RETURN ......
28.1 Oracle 11g¼ò½é
¾¹ýÁËÈýÄêµÄ×¼±¸£¬Oracle£¨¼×¹ÇÎÄ£©¹«Ë¾ÓÚ2007Äê7ÔÂ12ÈÕÔÚÈ«Çò·¶Î§ÄÚͬ²½ÍƳöÁËÆä×îа汾µÄÊý¾Ý¿â²úÆ·——Oracle 11g¡£ÐµÄOracleÊý¾Ý¿âÈÔÈ»ÒÔg×÷Ϊ°æ±¾ºó׺£¬ÒÔ´ú±íÕâÊÇÒ»¸ö°üº¬ÁËÍø¸ñ¼ÆËã¼¼ÊõµÄÊý¾Ý¿âÈí¼þ£¨Oracle×Ô10°æ±¾¿ªÊ¼ÒÔg×÷Ϊ°æ±¾ºó׺£¬¶øÔÚÕâ֮ǰÊÇʹÓÃi£¬ÈçOracle 8i¡¢ ......