摘要:
错误信息: We were unable to open this file using any of the currently available importers. If you would like to try using the Dynamic Link Media Server, p 阅读全文
摘要:
1,%:表示任意0个或多个字符。可匹配任意类型和长度的字符,有些情况下若是中文,请使用两个百分号(%%)表示。 比如 SELECT * FROM [user] WHERE u_name LIKE '%三%' 将会把u_name为“张三”,“张猫三”、“三脚猫”,“唐三藏”等等有“三”的记录全找出来。 阅读全文