×ðÁú¿­Ê±

linuxÖÐmysqlÓм¸¸ö×Ö½Ú

linuxÖÐmysql×Ö¶ÎÕ¼ÓõÄ×Ö½ÚÊýÈ¡¾öÓÚ×Ö¶ÎÀàÐÍ¡¢×ֶγ¤¶ÈºÍʹÓõÄ×Ö·û¼¯±àÂëµÈÒòËØ £¬³£¼ûÓУº1¡¢char £¬Õ¼ÓÃ0µ½255¸ö×Ö½Ú£»2¡¢varchar £¬Õ¼ÓÃ0µ½65535¸ö×Ö½Ú£»3¡¢text £¬Õ¼ÓÃ0µ½65535¸ö×Ö½Ú£»4¡¢int £¬Õ¼ÓÃ4¸ö×Ö½Ú£»5¡¢bigint £¬Õ¼ÓÃ8¸ö×Ö½Ú£»6¡¢float £¬Õ¼ÓÃ4¸ö×Ö½Ú£»7¡¢double £¬Õ¼ÓÃ8¸ö×Ö½Ú¡£

±¾½Ì³Ì²Ù×÷ϵͳ£ºLinux5.18.14ϵͳ¡¢Dell G3µçÄÔ¡£

ÔÚLinuxÖÐ £¬MySQLµÄ×Ö¶ÎÀàÐÍ¿ÉÒÔÕ¼Óòî±ð×Ö½ÚÊý £¬Ïêϸȡ¾öÓÚ×Ö¶ÎÀàÐͺÍÉèÖá£ÏÂÃæÊÇMySQLÖÐһЩ³£¼û×Ö¶ÎÀàÐͼ°ÆäÕ¼ÓõÄ×Ö½ÚÊý£º

CHAR£ºÀο¿³¤¶È×Ö·û´® £¬Õ¼ÓÃ0µ½255¸ö×Ö½Ú £¬Æ¾Ö¤×ֶνç˵µÄ³¤¶È¶ø¶¨¡£

VARCHAR£º¿É±ä³¤¶È×Ö·û´® £¬Õ¼ÓÃ0µ½65535¸ö×Ö½Ú £¬Æ¾Ö¤×ֶδ洢µÄÏÖʵÄÚÈݳ¤¶È¶ø¶¨¡£

TEXT£º¿É±ä³¤¶ÈÎı¾ÀàÐÍ £¬Õ¼ÓÃ0µ½65535¸ö×Ö½Ú £¬Í¨³£ÓÃÓÚ´æ´¢½Ï³¤µÄÎı¾Êý¾Ý¡£

INT£ºÕûÊýÀàÐÍ £¬Õ¼ÓÃ4¸ö×Ö½Ú £¬ÓÃÓÚ´æ´¢ÕûÊýÖµ¡£

BIGINT£º³¤ÕûÊýÀàÐÍ £¬Õ¼ÓÃ8¸ö×Ö½Ú £¬ÓÃÓÚ´æ´¢´óÕûÊýÖµ¡£

FLOAT£ºµ¥¾«¶È¸¡µãÊýÀàÐÍ £¬Õ¼ÓÃ4¸ö×Ö½Ú £¬ÓÃÓڴ洢СÊýÖµ¡£

DOUBLE£ºË«¾«¶È¸¡µãÊýÀàÐÍ £¬Õ¼ÓÃ8¸ö×Ö½Ú £¬ÓÃÓÚ´æ´¢¸ü´ó¹æÄ£µÄСÊýÖµ¡£

³ýÁËÉÏÊö×Ö¶ÎÀàÐÍÍâ £¬MySQLÉÐÓÐÆäËûһЩ×Ö¶ÎÀàÐÍ £¬ËüÃÇ¿ÉÄÜÕ¼Óòî±ðµÄ×Ö½ÚÊý¡£±ðµÄ £¬»¹ÐèҪ˼Á¿×Ö·û¼¯ºÍ±àÂë¶Ô´æ´¢µÄÓ°Ïì £¬ÀýÈçʹÓÃUTF-8×Ö·û¼¯´æ´¢Ê± £¬Ä³Ð©Unicode×Ö·û¿ÉÄÜ»áÕ¼Óöà¸ö×Ö½Ú¡£

×ܽáÆðÀ´ £¬MySQLÖÐ×Ö¶ÎÕ¼ÓõÄ×Ö½ÚÊýÈ¡¾öÓÚ×Ö¶ÎÀàÐÍ¡¢×ֶγ¤¶ÈºÍʹÓõÄ×Ö·û¼¯±àÂëµÈÒòËØ¡£ÒÔÉÏÊÇһЩ³£¼û×Ö¶ÎÀàÐ͵Ä×Ö½ÚÊý £¬µ«ÏêϸÇéÐÎÐèҪƾ֤ÏÖʵµÄ±í½ç˵ºÍÉèÖÃÀ´È·¶¨¡£

ÒÔÉϾÍÊÇlinuxÖÐmysqlÓм¸¸ö×Ö½ÚµÄÏêϸÄÚÈÝ £¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

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

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±

13452372176

¿É΢ÐÅÔÚÏß×Éѯ

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

QR code
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿