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报错内容：[08001] Could not create connection to database server. Attempted reconnect 3 times. Giving up. 这个错误信息主要是因为时区的问题，所以...记录下来 在URL后面添加?serverTimezone=UTC 示例一：jdbc:mysql://localhost:3306/permission?serverTimezone=UTC 示例二：jdbc:mysql://localhost:3306/pe

SQL SERVER: DECLARE @what varchar(800) SET @what='XXX' --需要搜索的字符串 DECLARE @sql varchar(8000) DECLARE TableCursor CURSOR LOCAL FOR SELECT sql='IF EXISTS ( SELECT 1 FROM ['+o.name+'] WHERE ['+c.name+'] LIKE ''%'+@what+'%'' ) PRINT ''所在的表及字段：['+o.name+'].['+c