Indicates whether this is the primary index.
指示是否为主索引。
Profile data and identify Primary Index (PI) candidates.
配置文件数据并识别主索引(Primary Index,PI)候选者。
Shows the name of the primary index if this is a secondary index.
若为二级索引，则显示主索引的名称。
Any query that utilizes the Primary Index column will encounter faster response times.
任何利用主索引列的查询将会遭遇更快速响应时间问题。
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)。
The system determines whether it needs establishing and reserving the non-primary index by the classification of the attribute.
系统依据属性的类型决定是否要基于此属性创建非主键索引、是否要保存此非主键索引。
A typical mistake in designing a Teradata Primary Index is to simply combine a number of columns to evenly distribute data across Teradata AMPs.
在设计teradata主索引时典型的错误是仅仅合并列来在TeradataAMPs中均匀地分布数据。
The morphologic and functional integrality is the primary index of the clinic utility and preservation quality evaluation of the cornea endothelium.
角膜内皮细胞形态学上的完整和功能上的健全是临床上评价角膜功能的指标，也是角膜保存质量评定的标准。
A primary index is a unique feature of Teradata's database - it offers the benefit of an index without the traditional overhead associated with an index.
主索引是teradata数据库的惟一特性—在避免索引相关额外开销的情况下提供索引的优势。
In any time, software reliability is the primary index of software quality. Software reliability evaluation consists of models, method, tools and conditions.
软件的可靠性在任何时候都是衡量软件质量的首要指标，其评估涉及模型、方法、工具和条件等方面。
The system efficiency is a primary index for evaluating pumping system. The quality of measured parameters has a great influence on the efficiency of pumping system.
系统效率是抽油机装置的主要评价指标，测量参数的质量对系统效率测算结果准确程度的影响很大。
Through overall and deep document consulting, there set up a primary index system for evaluating the grade of certain regional human resources development in the paper.
本文通过较为全面和深入的文献查阅，初步构建了区域人力资源开发水平评价指标体系。
After analyzing the characteristics of the non-primary index used to search the data in the main memory, a new non-primary index system is designed and implemented which fits to MMDB.
在分析了用于查找内存数据的非主键索引的特性之后，设计并实现了一个适合于内存数据库的非主键索引机制。
As the main part of the photoelectric tracking equipment, the tracking precision of the photoelectric tracking control system is a primary index measuring photoelectric tracking equipments.
光电跟踪控制系统是光电跟踪设备的重要组成部分，跟踪精度是衡量光电跟踪设备的主要指标。
It queries your database, indexes each column in each row of the result, and ties each index entry to the row's primary key.
它将查询数据库，为结果的每行中的每列建立索引，并且将每个索引条目绑定到行的主键上。
Also, before setting up replication in DB2, you will want to ensure that every database table has a primary key or unique index.
此外，在DB 2中创建复制之前，您会希望保证每一个数据库表都具有一个主键或惟一索引。
We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.
我们只保留了一个组合主键和一个辅助索引来完成所有的查询。
The primary key and any unique index of the table must be a superset of the associated partitioning key.
表的主键和所有惟一索引都必须是相关分区键的超集。
Note that if the physical file is keyed (perhaps because it has a Primary key constraint), its index will also be moved on or off of SSD with these commands.
注意，如果物理文件使用了键控(可能因为它有一个PrimaryKey约束)，其隐式索引也将通过这些命令被移动到SSD或从中移出。
The reason for this is that the other tables in the DB2 UDB SAMPLE database have no primary key, and hence no index information to associate a unique ECO key with.
原因是DB2UDBSAMPLE数据库中的其他表没有主键，因此没有索引信息可以关联惟一的ECO 键。
Because we called LoadPublicAddressBooks previously, 0 is the index of the primary Domino Directory, names.nsf.
因为前面调用了LoadPublicAddressBooks，所以0是主要DominoDirectory——names . nsf的索引。
To better illustrate the improvement in cardinality estimation, drop all the existing indexes on the EMPLOYEE table except the primary key index.
为了更好地解释说明基数估计值的提高，撤销除主键索引外的所有employee表上的现有索引。
Uniqueness in the CCD table must be enforced — either by a primary key or unique index on the source table or CCD table.
ccd表中必须有惟一性约束——可以通过主键或者源表或ccd表上的惟一索引实现。
The sql_query must include the primary key you want to use for subsequent lookups, and it must include all the fields you want to index and use as groups.
sql _ query必须包括后续查找需要使用的主键，并且它必须包括需要索引和用作组的所有字段。
This feature increases the availability of the HDR primary server because replicating an index is quicker than dropping and then rebuilding the index on the primary server.
这个特性提高了hdr主服务器的可用性，因为与停止服务并在主服务器上重建索引相比，复制索引要快得多。
When a primary key constraint is defined, the federated system automatically creates a unique index specification.
当定义一个主键约束时，联邦系统自动创建一个惟一的索引规范。
If the database designer has created a Primary partition Index on a table, queries should incorporate the partitioning column.
如果数据库设计者已在表上创建了主分区索引，那么查询应当与分区列结合。
In other words, all columns that are part of the partitioning key must be present in the primary key or unique index definition.
换句话说，作为分区键一部分的所有列都必须出现在主键或惟一索引定义中。
It is rare in an OLTP query for the lookup tables to be selected as the primary query tables requiring an index on the dependent table to support the join.
OLTP查询中很少需要选择查找表作为需要相关表上的索引来支持联接的主查询表。
It is rare in an OLTP query for the lookup tables to be selected as the primary query tables requiring an index on the dependent table to support the join.
OLTP查询中很少需要选择查找表作为需要相关表上的索引来支持联接的主查询表。
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