The catalog system would help us determine if we had duplicate books and even help us identify books we didn't know we had.
目录系统将帮助我们确定自己是否有重复的图书，甚至帮助确定我们还不知道自己拥有的图书。
I joined a team to prototype an online catalog for the library, sitting with librarians to learn how the card catalog system works.
我曾经加入一个团队来规划图书馆的在线编目系统，与图书管理人员坐在一起了解卡片编目系统是如何运作的。
The RUNSTATS utility updates statistics in the system catalog tables to help with the query optimization process.
RUNSTATS实用程序用于更新系统目录表中的统计信息，以帮助查询优化过程。
The system catalog does not identify which columns contain encrypted data, and the same column can include both encrypted and unencrypted values.
系统目录没有标识哪些列中包含加密的数据，同一列中可以同时包含加密和非加密数据。
In a relational language, such a query would require a join that might span several data tables and system catalog tables.
而在关系语言中，这种查询需要进行也许跨越了多个数据表和系统目录表的联接。
It USES the information from the statistics in the system catalog.
它使用来自系统编目中统计信息中的信息。
Ensure that there is sufficient free space on the system catalog and the system temporary tablespaces.
确保系统目录和系统临时表空间中具有足够的自由空间。
The database manager creates and maintains two sets of system catalog views that are defined on top of the base system catalog tables.
数据库管理器创建和维护两组系统编目视图，这些视图是在基本系统编目表之上定义的。
You can also use the system catalog views to retrieve information about database partitions and database partition groups.
还可以使用系统编目视图来检索关于数据库分区和数据库分区组的信息。
Prior to DB2 9, most of the objects have only definer in the corresponding system catalog table or view.
在DB 29之前，大多数对象在相应的系统编目表或视图中具有惟一的定义者。
Of course, you cannot explicitly create or drop these system catalog tables, but you can query and view their content.
当然，不能显式地创建或删除这些系统编目表，但是可以查询和显示这些表的内容。
An entry is added to the system catalog to indicate to the query optimizer that such a remote index exists.
一个条目被添加到系统编目中，以向查询优化器表明存在那样的一个远程索引。
Note that the new system catalog tables will be dropped during the reversion process.
注意，新的系统目录表将在逆转过程中删除。
You can use the system catalog views to retrieve information about storage management objects such as table Spaces.
可以使用系统编目视图来检索关于表空间之类的存储管理对象的信息。
Update system catalog tables that the database server USES to optimize queries.
更新数据库服务器用于优化查询的系统编目表。
As the calculation of the savings is based just on statistics information in the system catalog, the calculation is fast.
由于对节省空间的计算只基于系统编目中的统计信息，所以这种计算速度很快。
To ensure fast recovery of the partition containing system catalog tables, avoid placing user tables on the same database partition.
为了确保包含系统编目表的分区能够快速恢复，应避免将用户表也放在那个数据库分区上。
A set of system catalog tables is created and maintained for each database.
对于每个数据库，都创建和维护一组系统编目表。
The database server does not update the statistics in the system catalog tables.
数据库服务器不更新系统编目表中的统计信息。
You can use the system catalog views to retrieve information about the dependencies that objects have on one another.
可以使用系统编目视图来检索关于对象相互之间依赖关系的信息。
As mentioned earlier, no single system catalog view contains all the available authorization data.
如前所述，没有哪个单独的系统编目视图可以包含所有可用的授权数据。
This rule also applies to their definition — privileges associated with a global variable are also defined within the system catalog.
这条规则同样适用于全局变量的定义——与全局变量相关的权限也在系统编目中进行了定义。
The system catalog describes the logical and physical structure of the data.
系统编目描述数据的逻辑和物理结构。
Almost everything that is known about a database can be found in a metadata repository called the system catalog.
我们所知道的所有关于数据库的信息几乎都可以在称作系统编目的元数据存储库中找到。
When a database is created, SELECT privilege on the system catalog views is granted to PUBLIC (Figure 6).
在创建一个数据库时，系统编目视图上的SELECT权限便被授给PUBLIC(图6)。
The DB2 UDB system catalog is a collection of tables that describe database objects.
DB 2udb系统编目是描述数据库对象的表的集合。
DGTT is not in the system catalog.
DGTT不在系统目录中。
System catalog changes: a FOT index creates a new entry in the existing sysindices table.
系统目录变更：FOT索引创建了当前sysindices表格中一个新输入。
System catalog tables reside in the same dbspace as the database itself.
系统目录表和数据库本身位于同一个dbspace中。
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