mysql 動態執行SQL文

在mysql儲存過程中動態執行sql文

mysql>prepare stmt1 from 'select sqrt(pow(?,2) + pow(?,2)) as hypotenuse';
mysql>set @a = 3;
mysql>set @b = 4;
mysql>execute stmt1 using @a, @b;
mysql>set @a = 'select * from table1 ';
mysql>set @b = 'where column1>10 limit 1';
mysql>set @a =concat(@a,@b);
mysql>prepare stmt1 from@a;
mysql>execute stmt1;
參考：http://dev.mysql.com/doc/refman/5.0/en/sql-syntax-prepared-statements.html

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