SqlÓï¾ä
Update Channel set Unit ='mg' ,
RunUpThreshold='10' ,
RunDownThreshold='10' ,
SafetyUpThreshold='10' ,
SafetyDownThreshold='10'
where Bridge='001' and DeviceCode='AS'
and SensorCode='001' and Supplement='N'
set £º ','
where: and
Ïà¹ØÎĵµ£º
ÏÂÎçÏòÊý¾Ý¿âSQL SERVERÖÐÓöµ½Ìí¼ÓͼƬÀàÐÍÊý¾ÝµÄÎÊÌ⣬±¾ÒÔΪÔÚ½çÃæ¹ÜÀíÆ÷ÖпÉÒÔÖ±½Ó£¨Í¨¹ýÖ¸¶¨Â·¾¶°ÑͼƬµÄÊý¾Ý±£´æÆðÀ´£©Ìí¼ÓͼƬȴ²»È»¡£ÍøÉÏËÑÁËÏÂÕÒµ½ÁËÏà¹ØµÄ½ÏרҵµÄ×ÊÁÏ£¬ÕûºÏ½â¶Áһϣº Á½ÖÖ·½·¨£º µÚÒ»¾ÍÊÇÔÚÊý¾Ý¿âÖд洢ͼƬµÄ·¾¶£¬È»ºóÔÚ³ÌÐòÖиù¾Ý¶ÁÈ¡µÄ·¾¶¶ÁȡͼƬ£»ÕâÖ ......
SQL Server Êý¾Ý¿â¹ÜÀí³£ÓõÄSQLºÍT-SQLÓï¾ä
1. ²é¿´Êý¾Ý¿âµÄ°æ±¾
select @@version
2. ²é¿´Êý¾Ý¿âËùÔÚ»úÆ÷²Ù×÷ϵͳ²ÎÊý
exec master..xp_msver
3. ²é¿´Êý¾Ý¿âÆô¶¯µÄ²ÎÊý
sp_configure
4. ²é¿´Êý¾Ý¿âÆô¶¯Ê±¼ä
select convert(varchar(30),login_time,120) from master..sysprocesses where spid=1
²é¿´Êý ......
SQL´æ´¢¹ý³ÌÈëÃÅ
Ò»¡¢SQL´æ´¢¹ý³ÌµÄ¸ÅÄÓŵ㼰Óï·¨
¡¡¡¡ÕûÀíÔÚѧϰ³ÌÐò¹ý³Ì֮ǰ£¬ÏÈÁ˽âÏÂʲôÊÇ´æ´¢¹ý³Ì?ΪʲôҪÓô洢¹ý³Ì£¬ËûÓÐÄÇЩÓŵã
¡¡¡¡¶¨Ò壺½«³£ÓõĻòºÜ¸´ÔӵŤ×÷£¬Ô¤ÏÈÓÃSQLÓï¾äдºÃ²¢ÓÃÒ»¸öÖ¸¶¨µÄÃû³Æ´æ´¢ÆðÀ´, ÄÇôÒÔºóÒª½ÐÊý¾Ý¿âÌṩÓëÒѶ¨ÒåºÃµÄ´æ´¢¹ý³ÌµÄ¹¦ÄÜÏàͬµÄ·þÎñʱ,Ö»Ðèµ÷ÓÃexecute ......
ʲôÊÇ´æ´¢¹ý³ÌÄØ£¿
¡¡¡¡¶¨Ò壺
¡¡¡¡½«³£ÓõĻòºÜ¸´ÔӵŤ×÷£¬Ô¤ÏÈÓÃSQLÓï¾äдºÃ²¢ÓÃÒ»¸öÖ¸¶¨µÄÃû³Æ´æ´¢ÆðÀ´, ÄÇôÒÔºóÒª½ÐÊý¾Ý¿âÌṩÓëÒѶ¨ÒåºÃµÄ´æ´¢¹ý³ÌµÄ¹¦ÄÜÏàͬµÄ·þÎñʱ,Ö»Ðèµ÷ÓÃexecute,¼´¿É×Ô¶¯Íê³ÉÃüÁî¡£
¡¡¡¡½²µ½ÕâÀï,¿ÉÄÜÓÐÈËÒªÎÊ£ºÕâô˵´æ´¢¹ý³Ì¾ÍÊÇÒ»¶ÑSQLÓï¾ä¶øÒѰ¡£¿
¡¡¡¡Microsoft¹«Ë¾ÎªÊ²Ã´»¹ÒªÌí¼ÓÕ ......