×ðÁú¿­Ê±¹ÙÍøµÇ¼

sqlÖÐɾ³ýÒ»¸öÊÓͼµÄÏÂÁîÊÇʲô

sql ÖÐʹÓà drop view Óï¾äɾ³ýÊÓͼ£¬Óï·¨ÈçÏ£ºdrop view [if exists] view_name;ÆäÖÐ view_name ÊÇҪɾ³ýµÄÊÓͼµÄÃû³Æ £»if exists ÊÇ¿ÉÑ¡µÄ£¬ÈôÊÇÊÓͼ²»±£´æ£¬Ôò²»»á±¬·¢¹ýʧ¡£

ɾ³ýÊÓͼµÄ SQL ÏÂÁî

ÔÚ SQL ÖУ¬Ê¹Óà DROP VIEW Óï¾äɾ³ýÊÓͼ¡£

Óï·¨£º

DROP VIEW [IF EXISTS] view_name;

µÇ¼ºó¸´ÖÆ

ÆäÖУº

IF EXISTS ÊÇ¿ÉÑ¡µÄ£¬ÈôÊÇÊÓͼ²»±£´æ£¬Ôò²»»á±¬·¢¹ýʧ¡£

view_name ÊÇҪɾ³ýµÄÊÓͼµÄÃû³Æ¡£

ʾÀý£º

Ҫɾ³ýÃûΪ “customer_view” µÄÊÓͼ£¬ÇëʹÓÃÒÔÏÂÏÂÁ

DROP VIEW customer_view;

µÇ¼ºó¸´ÖÆ

×¢ÖØ£º

ɾ³ýÊÓͼ²»»áɾ³ý»ù´¡±íÖеÄÊý¾Ý¡£

ÊÓͼֻÄܱ»ÆäËùÓÐÕß»ò¾ßÓÐÊʵ±È¨ÏÞµÄÓû§É¾³ý¡£

ÒÔÉϾÍÊÇsqlÖÐɾ³ýÒ»¸öÊÓͼµÄÏÂÁîÊÇʲôµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬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

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

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

QR code
ÍøÕ¾µØͼ