The scenario is as follows: a server named g_two has a database named atest. The atest database has a table named TAB that is populated with data (Figure 10).
场景描述：一个名为g_t wo的服务器拥有一个名为atest的数据库，这个atest数据库有一个填充了数据的、名为tab的表(见图10)。
The scenario is as follows: a server named g_two has a database named atest. The atest database has a table named TAB that is populated with data (Figure 10).
场景描述：一个名为g_t wo的服务器拥有一个名为atest的数据库，这个atest数据库有一个填充了数据的、名为tab的表(见图10)。
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