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Config SQL Server for JDBC Access

1. In "MicroSoft SQL Server Management Studio", right click SQL Server instance, select "Properties", select "Security" in left panel and check "SQL Server and Windows Authentication mode" in right Panel.
2. In "SQL  Server Configuration Manager", select "SQL Server Network Configuration > Protocols for XXX" in left panel and enable "TCP/IP" in the right panel.
3. Create a login account and add it to some role.


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                int intRandomNumber = rnd.Next();
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SQL»ñȡʱ¼äº¯Êý

DATEDIFF(²ÎÊýÒ»,²ÎÊý¶þ,²ÎÊýÈý) ---²ÎÊýÒ»£ºyear month day; ²ÎÊý¶þ£º±È½ÏµÄÆðʼÈÕÆÚ,ĬÈÏ1900-1-1£»²ÎÊýÈý£º±È½ÏµÄÈÕÆÚ¡£
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 SELECT DATEADD(mm, DATEDIFF(mm,0,getdate()), 0)  -- È¡µÃ±¾ÔµĵÚÒ»Ìì
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sqlº¯Êý

1:replace º¯Êý
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select replace('lihan','a','b')
                             &nb ......

SQL*PlusÖÐ&×Ö·û´¦Àí

ÔÚSQL*PlusÖÐĬÈϵÄ"&"±íÊ¾Ìæ´ú±äÁ¿£¬SQL*PlusÈÏΪ&·ûºóÃæµÄ×Ö·û´®Îª±äÁ¿£»Ö»ÒªÔÚÃüÁîÖгöÏָ÷ûºÅ£¬SQL*Plus¾Í»áÒªÄãÊäÈëÌæ´úÖµ¡£Õâ¾ÍÒâζ×ÅÄãÎÞ·¨½«Ò»¸öº¬Óи÷ûºÅµÄ×Ö·û´®²åÈë»ò¸üе½Êý¾Ý¿â
     
set define off ¹Ø±ÕÌæ´ú±äÁ¿¹¦ÄÜ£¬“&”½«×÷ΪÆÕͨ×Ö·û
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sql2000º¯Êý´óÈ«1       µ±Ç°ÏµÍ³ÈÕÆÚ¡¢Ê±¼ä
    select getdate()
2. dateadd ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ
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select dateadd(day,2,'2004-10-15') --·µ»Ø£º2004-10-17 00:00:00.000
3. datediff ·µ»Ø¿çÁ½¸öÖ¸¶¨ÈÕÆÚµÄÈ ......
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