PL/SQL DeveloperʹÓü¼ÇÉ
1¡¢PL/SQL
Developer¼ÇסµÇ½ÃÜÂë
ÔÚʹÓÃPL/SQL
Developerʱ£¬ÎªÁ˹¤×÷·½±ãÏ£ÍûPL/SQL
Developer¼ÇסµÇ¼OracleµÄÓû§ÃûºÍÃÜÂ룻
ÉèÖ÷½·¨£ºPL/SQL
Developer 7.1.2
->tools->Preferences->Oracle->Logon History £¬ “Store
history”ÊÇĬÈϹ´Ñ¡µÄ£¬¹´ÉÏ“Store with password” ¼´¿É£¬ÖØÐµÇ¼ÔÚÊäÈëÒ»´ÎÃÜÂëÔò¼ÇסÁË¡£
2¡¢Ö´Ðе¥ÌõSQLÓï¾ä
ÔÚʹÓÃPL/SQL
DeveloperµÄSQL Windowʱ£¬°´F8¼ü£¬PL/SQL
DeveloperĬÈÏÊÇÖ´Ðиô°¿ÚµÄËùÓÐSQLÓï¾ä£¬ÐèÒªÉèÖÃΪÊó±êËùÔÚµÄÄÇÌõSQLÓï¾ä£¬¼´Ö´Ðе±Ç°SQLÓï¾ä£»
ÉèÖ÷½·¨£ºPL/SQL
Developer 7.1.2 -->tools->Preferences-->Window types £¬¹´ÉÏ“AutoSelect Statement” ¼´¿É¡£
3¡¢¸ñʽ»¯SQLÓï¾ä
ÔÚʹÓÃPL/SQL
DeveloperµÄSQL Windowʱ£¬ÓÐʱºòÊäÈëµÄSQLÓï¾äÌ«³¤»òÌ«ÂÒ£¬Ï£ÍûÄÜÓñȽÏͨÓõÄд·¨¸ñʽ»°Ò»Ï£¬ÕâÑù¿´ÆðÀ´»áºÃ¿´Ð©£¬Ò²ºÃ·ÖÎö£»
ʹÓ÷½·¨£ºÑ¡ÖÐÐèÒª¸ñʽ»¯µÄSQLÓï¾ä£¬È»ºóµã»÷¹¤¾ßÀ¸µÄPL/SQL
beautifier°´Å¥¼´¿É.
4¡¢²é¿´Ö´Ðмƻ®
ÔÚʹÓÃPL/SQL
DeveloperµÄSQL Windowʱ£¬ÓÐʱºòÊäÈëµÄSQLÓï¾äÖ´ÐеÄЧÂÊ£¬·ÖÎöϱí½á¹¹£¬ÈçºÎ¿ÉÒÔÌá¸ß²éѯµÄЧÂÊ£¬¿ÉÒÔͨ¹ý²é¿´OracleÌṩµÄÖ´Ðмƻ®£»
ʹÓ÷½·¨£ºÑ¡ÖÐÐèÒª·ÖÎöµÄSQLÓï¾ä£¬È»ºóµã»÷¹¤¾ßÀ¸µÄExplain plan°´Å¥£¨¼´Ö´Ðмƻ®£©£¬»òÕßÖ±½Ó°´F5¼´¿É¡£
5¡¢µ÷ÊÔ´æ´¢¹ý³Ì
ÔÚʹÓÃPL/SQL
Developer²Ù×÷Oracleʱ£¬ÓÐʱºòµ÷ÓÃijЩ´æ´¢¹ý³Ì£¬»òÕßµ÷ÊÔ´æ´¢¹ý³Ì£»
µ÷Óô洢¹ý³ÌµÄ·½·¨£ºÊ×ÏÈ£¬ÔÚPL/SQL
Developer×ó±ßµÄBrowserÖÐÑ¡ÔñProcedures£¬²éÕÒÐèÒªµ÷ÓõĴ洢¹ý³Ì£»È»ºó£¬Ñ¡Öе÷ÊԵĴ洢¹ý³Ì£¬µã»÷ÓÒ¼ü£¬Ñ¡ÔñTest£¬ÔÚµ¯
³öÀ´µÄTest scrīpt´°¿ÚÖУ¬¶ÔÓÚ¶¨ÒåΪinÀàÐ͵IJÎÊý£¬ÐèÒª¸ø¸Ã²ÎÊýµÄValueÊäÈëÖµ£»×îºóµã»÷ÉÏÃæµÄÌõÊý°´Å¥£ºStart
debugger »òÕß°´F9£»×îºóµã»÷£ºRUN »òÕßCtrl+R
PL/SQL DEVELOPER »ù±¾Ó÷¨Ïê½â£¨×ª£©
ת×ÔCSDN
PL/SQL DEVELOPER »ù±¾Ó÷¨Ïê½â(½¨Òéд¹ýµÚÒ»¸ö´æ´¢¹ý³ÌºóµÄ³õÊֱضÁ)
ÓùýoracleµÄ¶¼±§Ô¹£¬ÎªÁËÎȶ¨ ËüÌṩµÄͼÐλ¯²Ù×÷ ËÙ¶ÈÂýµÄÈÃÈËÉËÐÄѽ£¬p4+128MµÄ»úÆ÷Ö»ÒªÆô¶¯Ò»¸ö
oracle·þÎñ¾Í¹»ÈÃÈËÉËÐĵģ¬ÔÙÔÚdba studioÀïÃæ²Ù×÷ÕæÄÜÈÃÈ˿ޡ£
pl/sql developerÕýÊÇ
Ïà¹ØÎĵµ£º
WAITFOR
Ö¸¶¨´¥·¢Óï¾ä¿é¡¢´æ´¢¹ý³Ì»òÊÂÎñÖ´ÐеÄʱ¼ä¡¢Ê±¼ä¼ä¸ô»òʼþ¡£
Óï·¨
WAITFOR { DELAY 'time' | TIME
'time' }
²ÎÊý
DELAY
ָʾ Microsoft® SQL Server™ Ò»Ö±µÈµ½Ö¸¶¨µÄʱ¼ä¹ýÈ¥£¬×¿É´ï 24 Сʱ¡£
'time'
ÒªµÈ´ýµÄʱ¼ä¡£¿ÉÒÔ°´ datetime Êý¾Ý¿É½ÓÊܵĸñʽָ¶¨
time£¬Ò²¿ÉÒÔÓþֲ¿±äÁ¿Ö¸¶ ......
ͨÅä·û_
"_"ºÅ±íʾÈÎÒâµ¥¸ö×Ö·û,¸Ã·ûºÅÖ»ÄÜÆ¥ÅäÒ»¸ö×Ö·û."_"¿ÉÒÔ·ÅÔÚ²éѯÌõ¼þµÄÈÎÒâλÖÃ,ÇÒÖ»ÄÜ´ú±íÒ»¸ö×Ö·û.Ò»¸öºº×ÖֻʹÓÃÒ»¸ö"_"±íʾ.
Àý×Ó£º
if PATINDEX('%[ß¹-×ö]%','ÐèÒªÅжϵÄ×Ö·û')>0 -- ÅжÏÊÇ·ñÓÐ×Ö·û
print 'Óкº×Ö'
else
print 'ÎÞºº×Ö'
ͨÅä·û%
"%"·ûºÅÊÇ×Ö·ûÆ¥Åä·û,ÄÜÆ¥Åä0¸ö»ò¸ü¶à×Ö·ûµÄÈÎÒⳤ¶ ......
1 :ÆÕͨSQLÓï¾ä¿ÉÒÔÓÃexecÖ´ÐÐ
Select * from tableName
exec('select * from tableName')
exec sp_executesql N'select * from tableName' -- Çë×¢Òâ×Ö·û´®Ç°Ò»¶¨Òª¼ÓN
2:×Ö¶ÎÃû£¬±íÃû£¬Êý¾Ý¿âÃûÖ®Àà×÷Ϊ±äÁ¿Ê±£¬±ØÐëÓö¯Ì¬SQL
declare @fname varchar(20)
set @fname = 'FiledName'
Select @fname fr ......
ÈçºÎ°ÑAccessת³ÉSQL ServerµÄ·½·¨½éÉÜ
ºÜ¶àÅóÓÑÏëÓÃSQL 2000Êý¾Ý¿âµÄ±à³Ì·½·¨£¬µ«ÊÇÈ´ÓÖ¿àÓÚ×Ô¼ºÊÇѧAccessµÄ£¬¶ÔSQLÖ»ÊÇÒ»µãµãµÄÁË½â¶øÒÑ£¬ÕâÀïÎÒ¸ø´ó¼ÒÌṩÒÔϲο¼---½«Accessת»¯³ÉSQL 2000µÄ·½·¨ºÍ×¢ÒâÊÂÏî¡£Ê×ÏÈ£¬ÎÒ˵µÄÊÇÔÚAccess 2000£¬SQL 2000Ö®¼äת»»£¬ÆäËûµÄÎÒÒ²»¹Ã»Óг¢ÊÔ¹ý£¬Ï£ ......
ÈÕÆÚÀàÐ͸ÅÊö
SQL ServerÖеÄÈÕÆÚÀàÐͰüÀ¨datetimeºÍsmalldatetime£¬½öÄÜ´¦Àí¿ÉÒÔʶ±ðΪ1753Äê¡«9999Äê¼äµÄÈÕÆÚµÄÖµ£¬Ã»Óе¥¶ÀµÄÈÕÆÚÐÍ»òʱ¼äÐÍ¡£
1£®datetime
datetimeÀàÐÍ´¦Àí´Ó1753Äê1ÔÂ1ÈÕ¡«9999Äê12ÔÂ31ÈÕµÄÈÕÆÚºÍʱ¼äÊý¾Ý£¬¾«È·¶ÈΪ°Ù·ÖÖ®ÈýÃë¡£
¼´£º¶ÔÓÚ0.000¡«0.001¡¢0.009µÄÈÕÆÚÖµ£¬µ÷ÕûΪ0.000£»¶ÔÓÚ ......