The best definition for "data about data" is d. Meta data.

Here's why:

a. End-user data DBMS: This refers to the database management systems that are designed for end-users. It's not about data about data.

b. Data dictionary: This is a collection of descriptions of the data objects or items in a data model for the benefit of programmers and others who need to refer to them. While it does contain data about data, it's not the best answer because it's a specific tool, not the concept itself.

c. DBMS: This stands for Database Management System. It's a software for creating and managing databases. It's not about data about data.

d. Meta data: This is data that provides information about other data. In other words, it's "data about data". This is the best answer.

Question

The best definition for "data about data" is d. Meta data.

Here's why:

a. End-user data DBMS: This refers to the database management systems that are designed for end-users. It's not about data about data.

b. Data dictionary: This is a collection of descriptions of the data objects or items in a data model for the benefit of programmers and others who need to refer to them. While it does contain data about data, it's not the best answer because it's a specific tool, not the concept itself.

c. DBMS: This stands for Database Management System. It's a software for creating and managing databases. It's not about data about data.

d. Meta data: This is data that provides information about other data. In other words, it's "data about data". This is the best answer.

Knowee AI · Accepted Answer

The best definition for "data about data" is d. Meta data.

Here's why:

a. End-user data DBMS: This refers to the database management systems that are designed for end-users. It's not about data about data.

b. Data dictionary: This is a collection of descriptions of the data objects or items in a data model for the benefit of programmers and others who need to refer to them. While it does contain data about data, it's not the best answer because it's a specific tool, not the concept itself.

c. DBMS: This stands for Database Management System. It's a software for creating and managing databases. It's not about data about data.

d. Meta data: This is data that provides information about other data. In other words, it's "data about data". This is the best answer.

Data about data can best be defined as:a.End-user data DBMSb.Data dictionaryc.DBMSd.Meta data

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Data about data can best be defined as:

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