Leverage partitions and Primary Indexes in filters and prompts.

在过滤器与提示信息中利用分区和主索引。

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There are two types of Primary Indexes - unique Primary Index (UPI) and Non-unique Primary Index (NUPI).

有两种主索引—惟一主索引(upi)与非惟一主索引(NUPI)。

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For example, the predicates of the SQL statements in your important DB2 work (see discussion above) should be a primary guide in creating the best indexes.

例如，在创建最佳索引时，应该将重要DB 2工作(请参阅前面的讨论)中sql语句的谓词作为主要指南。

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