尊龙凯时人生就是搏

mysqlÖÐÔõôÐÞ¸ÄijһÐÐ

mysql ÖÐÐÞ¸ÄÒ»ÐÐÊý¾ÝµÄÓ﷨Ϊ£ºupdate table_name set column1 = value1, column2 = value2, … where condition;¡£ÆäÖУ¬conditionÓÃÓÚΨһ±êʶҪÐ޸ĵÄÐУ¬value1¡¢value2 … ÊÇеÄÁÐÖµ¡£×¢ÖØÈ·±£conditionÖ¸¶¨Î¨Ò»±êʶ·û£¬²»È»¿ÉÄÜÒâÍâ¸üжàÐС£ÑéÖ¤¸ü¸Ä¿ÉÒÔʹÓÃselectÓï¾ä¡£

ÔõÑùÐÞ¸Ä MySQL ÖеÄijһÐÐ

ÔÚ MySQL ÖÐÐÞ¸ÄÒ»ÐÐÊý¾ÝµÄÓï·¨ÈçÏ£º

UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;

µÇ¼ºó¸´ÖÆ

ÆäÖУº

table_name ÊÇÒª¸üеıíÃû¡£

column1, column2, … ÊÇÒª¸üеÄÁÐÃû¡£

value1, value2, … ÊÇÐÂÖµ¡£

condition ÊÇÓÃÓÚÈ·¶¨Òª¸üÐÂÐеÄÌõ¼þ¡£

ʹÓÃʾÀý

ÒÔÏÂʾÀý¸üРusers ±íÖÐ id Ϊ 5 µÄÐÐµÄ name ºÍ email ÁУº

UPDATE users SET name = 'John Doe', email = 'johndoe@example.com' WHERE id = 5;

µÇ¼ºó¸´ÖÆ

×¢ÖØÊÂÏî

È·±£ condition Ö¸¶¨Ò»¸öΨһ±êʶ·û£¬ÒÔ×èÖ¹ÒâÍâ¸üжà¸öÐС£

ÈôÊÇ condition ²»Öª×ãÈκÎÐУ¬Ôò²»»á¸üÐÂÈκÎÊý¾Ý¡£

ÈôÊÇÖ¸¶¨µÄֵΥ·´Ô¼Êø£¨ÀýÈ磬Ö÷¼ü»ò·Ç¿ÕÁУ©£¬Ôò»áÒý·¢¹ýʧ¡£

¸üÐÂÐк󣬿ÉÒÔʹÓà SELECT Óï¾äÑéÖ¤¸ü¸Ä¡£

ÒÔÉϾÍÊÇmysqlÖÐÔõôÐÞ¸ÄijһÐеÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是搏ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ尊龙凯时人生就是搏ʵʱÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是搏

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
sitemap¡¢ÍøÕ¾µØͼ