Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

DB2ÁÙʱ±íÔÚSQL¹ý³Ì

 
°æÈ¨ÉùÃ÷£ºÔ­´´×÷Æ·£¬ÈçÐè×ªÔØ£¬ÇëÓë×÷ÕßÁªÏµ¡£·ñÔò½«×·¾¿·¨ÂÉÔðÈΡ£
DB2ÁÙʱ±íÔÚSQL¹ý³ÌºÍSQLÓï¾äÖеIJâÊÔ×ܽá
 
²âÊÔÄ¿±ê£º
 
·Ö±ðÔÚSQL¹ý³ÌºÍSQLÓï¾äÖд´½¨ÁÙʱ±í£¬²¢²åÈëÊý¾Ý£¬¿´Ö´Ðнá¹ûÓÐʲôÒìͬ¡£
 
²âÊÔ»·¾³£º
 
DB2 UDB V9.1
 
Ö´Ðи½¼þÀïÃæµÄSQLÓï¾ä£¬µÃµ½Ò»¸ö±í¡£
 
 
²âÊÔ´úÂëºÍÔËÐнá¹û£º
 
Ò»¡¢ÁÙʱ±íÔÚSQLÓï¾äÖÐ
 
-- ¶¨ÒåÒ»¸öÈ«¾ÖÁÙʱ±íSESSION.RESULT
DECLARE GLOBAL TEMPORARY TABLE SESSION.RESULT
    ( 
         TMP_HYDM   VARCHAR(10),    -- ÐÐÒµ´úÂë
         TMP_HYMC   VARCHAR(300)   -- ÐÐÒµÃû³Æ
    )
     WITH REPLACE
  NOT LOGGED;  
-- ²åÈëÊý¾Ýµ½ÁÙʱ±í   
INSERT INTO  SESSION.RESULT
SELECT MLDM,MLMC from DM_HY_CY;
 
-- ²éѯÁÙʱ±íÊý¾Ý   
SELECT * from SESSION.RESULT;
 
²âÊÔ½á¹û£ºÒÔÉÏSQL´úÂëÕý³£Ö´ÐУ¬µ«ÊÇûÓвéѯµ½ÈκÎÊý¾Ý¡£
 
 
¶þ¡¢ÁÙʱ±íÔÚSQL´æ´¢¹ý³ÌÖÐ
 
CREATE PROCEDURE SP_TEST_TMEP (  )
        DYNAMIC RESULT SETS 1
------------------------------------------------------------------------
-- ÓïÑÔ£ºDB2 SQL ´æ´¢¹ý³Ì
 
-- ˵Ã÷£ºÓÃÀ´²âÊÔͨ¹ý²éѯ²åÈëÁÙʱ±íÊý¾Ý
-- ×÷ÕߣºÈÛ ÑÒ
-- ÈÕÆÚ£º2008-08-31
------------------------------------------------------------------------
P1: BEGIN
        -- ¶¨ÒåÒ»¸öÈ«¾ÖÁÙʱ±íSESSION.RESULT
        DECLARE GLOBAL TEMPORARY TABLE SESSION.RESULT
            ( 
                        TMP_HYDM   VARCHAR(10),   -- ÐÐÒµ´úÂë
             &n


Ïà¹ØÎĵµ£º

.net¾­µäSQLÓï¾ä´óÈ«

 ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
¡¡¡¡SQL·ÖÀࣺ
¡¡¡¡DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
¡¡¡¡DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
¡¡¡¡DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
¡¡¡¡Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
¡¡¡¡1¡¢ËµÃ÷£º´´½¨Êý ......

SQL ServerÖеÄCTE

 1¡¢¹«Óñí±í´ïʽ (CTE) ¿ÉÒÔÈÏΪÊÇÔÚµ¥¸ö SELECT¡¢INSERT¡¢UPDATE¡¢DELETE »ò CREATE VIEW Óï¾äµÄÖ´Ðз¶Î§ÄÚ¶¨ÒåµÄÁÙʱ½á¹û¼¯¡£CTE ÓëÅÉÉú±íÀàËÆ£¬¾ßÌå±íÏÖÔÚ²»´æ´¢Îª¶ÔÏ󣬲¢ÇÒÖ»ÔÚ²éѯÆÚ¼äÓÐЧ¡£ÓëÅÉÉú±íµÄ²»Í¬Ö®´¦ÔÚÓÚ£¬CTE ¿É×ÔÒýÓ㬻¹¿ÉÔÚͬһ²éѯÖÐÒýÓöà´Î¡£
¡¡¡¡CTE ¿ÉÓÃÓÚ£º
¡¡¡¡´´½¨µÝ¹é²éѯ¡£ÓйØÏêϸР......

¶¯Ì¬SQL»ù±¾Óï·¨

 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 from tableName -- ´íÎó,²»»áÌáʾ´í ......

ÏÂÃæÊÇÎÒËѼ¯µÄһЩ¾«ÃîµÄSQLÓï¾ä

ÏÂÃæÊÇÎÒËѼ¯µÄһЩ¾«ÃîµÄSQLÓï¾ä¡£
˵Ã÷£º¸´ÖƱí(Ö»¸´Öƽṹ,Ô´±íÃû£ºa бíÃû£ºb)
SQL: select * into b from a where 1<>1
˵Ã÷£º¿½±´±í(¿½±´Êý¾Ý,Ô´±íÃû£ºa Ä¿±ê±íÃû£ºb)
SQL: insert into b(a, b, c) select d,e,f from b;
˵Ã÷£ºÏÔʾÎÄÕ¡¢Ìá½»È˺Í×îºó»Ø¸´Ê±¼ä
SQL: select a.title,a.username,b.adddat ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ