The automatic growth of file space increased to manage a gender automatically, but the likelihood brings about dimensional fragment.
文件空间的自动增长提高了自动管理性，但可能导致空间碎片。
The automatic growth of database file and automatic contractive function are very useful to the management of small-sized database.
数据库文件的自动增长和自动收缩功能对于小型数据库的管理十分有用。
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