一个名为syscatspace的大表空间，用于存储与数据库有关的系统目录表和视图。
A large table space named SYSCATSPACE, which is used to store the system catalog tables and views associated with the database.
它从数据库返回一列商品目录，然后将他们传到一个视图文件，并在浏览器上以合适的HTML呈现出来。
It retrieves a list of product categories from a database, and then passes them off to a view file to render an appropriate HTML response back to the browser.
查询优化器使用数据库中的SYSSTAT目录视图来检索数据库对象的统计信息，并确定访问数据库的最佳方法。
The query optimizer USES the SYSSTAT catalog views in the database to retrieve the statistical information of the database objects and determine the best way to access the data.
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