Taking into account any host variables and parameters used, to preview result sets, and to auto-rollback any side effects that the execution of SQL statements may cause.
运行sql语句时，将考虑所使用的全部主机变量和参数，以预览结果集，并自动回滚执行sql语句导致的副作用。
Taking into account any host variables and parameters used, to preview result sets, and to auto-rollback any side effects that the execution of SQL statements may cause.
运行sql语句时，将考虑所使用的全部主机变量和参数，以预览结果集，并自动回滚执行sql语句导致的副作用。
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