MySQL如何锁定多个表？

LOCK TABLES yourTableName1 WRITE;
LOCK TABLES yourTableName2 WRITE;
LOCK TABLES yourTableName3 WRITE;
LOCK TABLES yourTableName4 WRITE;
.
.
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N;

Mysql> create table OrderDemo
   -> (
   -> OrderId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
   -> OrderPrice int,
   -> OrderDatetime datetime
   -> );
Query OK, 0 rows affected (0.66 sec)

mysql> LOCK TABLES OrderDemo WRITE;
Query OK, 0 rows affected (0.03 sec)
mysql> LOCK TABLES utfdemo WRITE;
Query OK, 0 rows affected (0.07 sec)

mysql> create table LockTableDemo
   -> (
   -> UserId int,
   -> UserName varchar(10)
   -> );
ERROR 1100 (HY000): Table 'LockTableDemo' was not locked with LOCK TABLES
mysql> create table UserIfORMation
   -> (
   -> UserId int,
   -> UserName varchar(10)
   -> );
ERROR 1100 (HY000): Table 'UserIformation' was not locked with LOCK TABLES