Which of the following explanations of schemas in a data base system - ProProfs Discuss
Topics-
Products +
     

Which of the following explanations of schemas in a data base system is correct?



A. “Schema” is a general term for data base operations, including data insertion, updating, deleting, and retrieval.
B. A schema is a virtual table from the viewpoint of the user, not an actual table.
C. . “Schema” is a general term for various restrictions and conditions that are needed in order to keep a data base in a perfect condition.
D. A schema is a collection of data definitions, including data characteristics, formats, and relationships with other data.

This question is part of SAD
Asked by Thanhnb, Last updated: Dec 05, 2017

+ AnswerRequest Answer
...

1 Answer

thanhnb

Thanhnb

Answered on Oct 10, 2017

. “Schema” is a general term for various restrictions and conditions that are needed in order to keep a data base in a perfect condition.
 Reply

Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer

Email Sent
We have sent an email to your address "" with instructions to reset your password.