删除表分区_有道手机词典

1.使用分区表的另一个优点是，可以轻松地在表中添加新数据(作为新的数据分区)，同时可以轻松地删除并存档老数据。
Another advantage of using partitioned tables is that new data can be easily added to a table (as another data partition) while old or obsolete data can be easily removed and archived.
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2.TableName：按照名称指定将从中删除分区的分区表。
TableName: Identifies the partitioned table, by name, that a partition is to be removed from.
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3.那意味着，无论何时添加或删除分区，都必须在分区表的所有现有索引中添加或删除对应记录。
This meant that whenever partitions were added or removed, corresponding records had to be added to or removed from any indexes that existed for the table.
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