为了便于讲解，使用ABAP write语句把这个内部表的内容输出到标准输出设备。
For the purpose of illustration the contents of this internal table are printed to the standard output device using an ABAP write statement.
将用于创建关系模式的DDL输出到标准输出设备。
It prints out the DDLs for the creation of relational schema onto the standard output.
平均吞吐量的统计信息和复制的字节印总量被打印到标准错误输出设备。
Statistics of average throughput and the total amount of bytes copied are printed to the standard error output.
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