尊龙凯时人生就是博

mysqlÖÐ%ÊÇʲôÒâ˼

mysql ÖеİٷֺŠ% ÊÇÒ»¸öͨÅä·û£¬¿ÉÆ¥Åäí§Òâ×Ö·ûÐòÁС£Ëü¿ÉÓÃÓÚ£º1. ×Ö·û´®Æ¥Å䣨È磺like ‘%string%’); 2. ¹æÄ£ÅÌÎÊ£¨È磺between ‘%start%’ and ‘%end%’); 3. ÕýÔò±í´ïʽƥÅ䣨È磺regexp ‘%.*%’); ×¢ÖØ£º% Æ¥Åäí§Òâ×Ö·ûÐòÁУ¬µ«²»¿ÉÆ¥Åä¿Õ×Ö·û´® £»²»¿É·ºÆðÔÚͨÅä·û±í´ïʽµÄ¿ªÍ·»ò×îºó £»ÒªÆ¥ÅäÏÖʵµÄ°Ù·ÖºÅ£¬ÐèʹÓÃתÒå×Ö·û \¡£

MySQL Öеİٷֺţ¨%£©

MySQL Öеİٷֺţ¨%£©ÊÇÒ»¸öͨÅä·û£¬ÓÃÓÚÆ¥Åäí§Òâ×Ö·ûÐòÁС£Ëü¿ÉÒÔÔÚÒÔϳ¡¾°ÖÐʹÓãº

1. ×Ö·û´®Æ¥Åä

ÔÚ LIKE ×Ó¾äÖУ¬% ¿ÉÓÃÓÚÆ¥Åäí§Òâ×Ö·ûÐòÁУº

SELECT * FROM table_name WHERE column_name LIKE '%string%';

µÇ¼ºó¸´ÖÆ

Õ⽫ƥÅä°üÀ¨ “string” ×Ö·û´®µÄÈκμͼ¡£

2. ¹æÄ£ÅÌÎÊ

ÔÚ BETWEEN ×Ó¾äÖУ¬% ¿ÉÓÃÓÚÖ¸¶¨¹æÄ£µÄ×ó½çÏß»òÓÒ½çÏߣº

SELECT * FROM table_name WHERE column_name BETWEEN '%start%' AND '%end%';

µÇ¼ºó¸´ÖÆ

Õ⽫ƥÅä column_name Öµ½éÓÚ “start” ºÍ “end” Ö®¼äµÄ¼Í¼£¨°üÀ¨ “start” ºÍ “end” ×Ô¼º£©¡£

3. ÕýÔò±í´ïʽ

ÔÚ REGEXP ×Ó¾äÖУ¬% ¿ÉÓÃ×÷ͨÅä·ûÆ¥Åäí§ÒâÒ»¸ö×Ö·û£º

SELECT * FROM table_name WHERE column_name REGEXP '%.*%';

µÇ¼ºó¸´ÖÆ

Õ⽫ƥÅä°üÀ¨ÈκÎ×Ö·ûÐòÁеļͼ¡£

×¢ÖØÊÂÏ

% Æ¥Åäí§Òâ×Ö·ûÐòÁУ¬µ«²»¿ÉÆ¥Åä¿Õ×Ö·û´®¡£

% ²»¿É·ºÆðÔÚͨÅä·û±í´ïʽµÄ¿ªÍ·»ò×îºó¡£

ҪƥÅäÏÖʵµÄ°Ù·ÖºÅ£¬ÐèҪʹÓÃתÒå×Ö·û \£¬Èç \%¡£

ÒÔÉϾÍÊÇmysqlÖÐ%ÊÇʲôÒâ˼µÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是博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尊龙凯时人生就是博ʵʱÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是博

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

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

QR code
sitemap¡¢ÍøÕ¾µØͼ