mysql执行动态sql语句

 今天oracle群上有人问mysql可不能够执行动态的sql语句，搜了一下，竟然能够。mysql SET @tsql='select * from companyinfo';  PREPARE stmt1 FROM @tsql;  EXECUTE stmt1;sql       SET @fid='fid'; SET @table1='companyinfo';  SET @tsql=CONCA

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