In addition, each database has its own catalog tables and user tables.

此外，每一个数据库拥有自己的目录表和用户表。

youdao

Next, you will create some new functionality: you will add a feature to enable the user to see clustered catalog server information.

接下来，您将创建一些新功能：您将添加功能来允许用户查看集群化目录服务器信息。

youdao

When there is any data modification to the user tables, the catalog statistics tables are not automatically modified.

当用户表中发生数据修改时，目录统计信息表不会自动被修改。

youdao

It was Ed Krol's Whole Internet User's Guide and Catalog which O'Reilly published in 1992 just before Internet fever reached mass hysteria levels.

FORBES: Calliope's revenge

Online books didn't work out too well, but O'Reilly had the idea of putting Internet kiosks in bookstores as a way of promoting the Whole Internet User's Guide and Catalog.

FORBES: Calliope's revenge