Create Table space, do not choose "data files automatically after the full expansion." Attention to the table here not automatically extended space, because the growth data, table space constantly expanding, resulting in a single data file occupy huge space, not conducive to data query, database maintenance, data recovery, and often beyond the control of creating a situation. Therefore, system administrators should pay attention to the changes in the data table space, storage space when the tables will be set up to the ceiling, to manually add new data files.

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