将多个sql语句串在一起并在一个批处理中执行它们的功能。

The ability to string multiple SQL statements together and to execute them in a batch.

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然后它用它的双亲请求，根据连接的描述找到正确的数据库统计值，并根据sql键字符串找到语句统计值。

It then USES its parent request to find the right database statistics based on the connection's description, and to find statement statistics based on the SQL key string.

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要从过程生成用户错误，可以使用SQLERROR变量检索一个实际的错误字符串，该错误字符串使语句无法作用于调用应用程序，如清单16所示。

To generate user errors from procedures, you can use the SQLERROR variable to return an actual error string that caused the statement to fail to the calling application, as shown in Listing 16.

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