摘要: 1.CONCAT(str1,str2,...)mysql> SELECT CONCAT('My', 'S', 'QL'); -> 'MySQL'mysql> SELECT CONCAT('My', NULL, 'QL'); -> NULLmysql> SELECT CONCAT(14.3); -> '14.3'example:select * from member where concat(',',interest,',& 阅读全文
posted @ 2013-06-24 20:34 傲雪星枫 阅读(136) 评论(0) 推荐(0)