×ðÁú¿­Ê±¹ÙÍøµÇ¼

mysqlÖÐɾ³ýÊý¾Ý±íµÄÓï¾ä

ÔÚ mysql ÖÐ  £¬É¾³ýÊý¾Ý±íµÄÓï¾äΪ£ºdrop table ±íÃû¡£¸ÃÓï¾ä½«ÓÀÊÀɾ³ýÖ¸ÃüÃû³ÆµÄÊý¾Ý±í¼°ÆäÖеÄËùÓÐÊý¾Ý  £¬Òò´ËÔÚʹÓÃǰӦȷ±£²»ÔÙÐèÒª¸ÃÊý¾Ý¡£

MySQL ÖÐɾ³ýÊý¾Ý±íµÄÓï¾ä

ÔÚ MySQL ÖÐ  £¬É¾³ýÊý¾Ý±íµÄÓï¾äΪ£ºDROP TABLE ±íÃû;

Ïêϸ˵Ã÷£º

DROP TABLE£ºÓÃÓÚɾ³ýÖ¸ÃüÃû³ÆµÄÊý¾Ý±í¡£

±íÃû£ºÒªÉ¾³ýµÄÊý¾Ý±íµÄÃû³Æ¡£

×¢ÖØÊÂÏ

ʹÓà DROP TABLE Óï¾äºó  £¬Êý¾Ý±í¼°ÆäÖеÄËùÓÐÊý¾Ý½«±»ÓÀÊÀɾ³ý¡£

ÔÚɾ³ýÊý¾Ý±í֮ǰ  £¬ÇëÈ·±£Äú²»ÔÙÐèÒª¸ÃÊý¾Ý¡£

ÈôÊÇÊý¾Ý±íÓëÆäËûÊý¾Ý±íÓÐÍâ¼üÔ¼Êø  £¬ÔòÐèÒªÏÈɾ³ýÍâ¼üÔ¼Êø²Å»ªÉ¾³ýÊý¾Ý±í¡£

ʾÀý£º

ɾ³ýÃûΪ users µÄÊý¾Ý±í£º

DROP TABLE users;

µÇ¼ºó¸´ÖÆ

ÌáÐÑ£º

DROP TABLE Óï¾ä²»Ê¹ÓÃÊÂÎñ¡£Òò´Ë  £¬Ò»µ©Ö´ÐÐ  £¬É¾³ý¾ÍÎÞ·¨µõÏú¡£

¿ÉÒÔʹÓà IF EXISTS ×Ó¾äÀ´±ÜÃâɾ³ý²»±£´æµÄÊý¾Ý±í¡£ÀýÈ磺

DROP TABLE IF EXISTS users;

µÇ¼ºó¸´ÖÆ

ÒÔÉϾÍÊÇmysqlÖÐɾ³ýÊý¾Ý±íµÄÓï¾äµÄÏêϸÄÚÈÝ  £¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí  £¬°æȨÕùÒéÓë±¾Õ¾ÎÞ¹Ø  £¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±¹ÙÍøµÇ¼ÂËÓÍ»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×ðÁú¿­Ê±¹ÙÍøµÇ¼ʵʱÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±¹ÙÍøµÇ¼

13452372176

¿É΢ÐÅÔÚÏß×Éѯ

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

QR code
ÍøÕ¾µØͼ