What are catalogs in SQL Server?

Question

Catalogs are named collections of schemas in an SQL-environment. An SQL-environment contains zero or more catalogs. A catalog contains one or more schemas, but always contains a schema named INFORMATION_SCHEMA that contains the views and domains of the Information Schema. 30 июл. 2013 г.

What is a catalog in a database?

From Wikipedia, the free encyclopedia. A database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, views (virtual tables), synonyms, value ranges, indexes, users, and user groups are stored.

What is SQL database catalog called?

In SQL Server it is referred to as the System Catalog. In DB2 it is referred to as either the DB2 Catalog or System Catalog. In MySQL it is referred to as the Information Schema. You can think of the system catalog as a metadata repository for your databases.

What is a catalog and why is it used in DBMS?

Whenever some data has to be accessed from the database, the DBMS software accesses catalog to retrieve information regarding that database, table and. A Catalog stores information of all data sets, files , databases, etc. It is basically used to store metadata.

What is Full Text Catalogs in SQL Server?

A full-text catalog is a logical container for a group of full-text indexes. You have to create a full-text catalog before you can create a full-text index. A full-text catalog is a virtual object that does not belong to any filegroup.

Expert · Answer