RDBMS - L6 : Metadata | Data Dictionary | Database Language | Active vs Passive Data Dictionary
Автор: The Knowledge Adda
Загружено: 2025-01-31
Просмотров: 83
Описание:
Metadata in a Database Management System (DBMS) refers to data about data. It provides a description and context of the data, helping to organize, find, and understand it. In a relational DBMS, metadata is stored in a structure called a data dictionary or system catalog. This structure holds information about tables, columns, data types, table relationships, constraints, and more.
For example, consider the index of any book or novel; it serves as the metadata that leads us to the detailed data inside the book. For instance, Metadata in DBMS has the following definitions:
Metadata is the value that leads us to the actual data;
The Metadata is an acronym for the detailed data;
Metadata is the index of a library in the data warehouse;
Metadata is a description or schema of the actual data
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке:
