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Computer Science - Database Systems - Discussion

Discussion Forum : Database Systems - Section 1 (Q.No. 12)
Database Systems
12.
The data dictionary tells the DBMS
what files are in the database
what attribute are possessed by the data
what these files contain
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.
Amit said:   7 years ago
Can anyone explain what is data dictionary in DBMS? please.
Devi said:   6 years ago
The data dictionary is a file or set of files that contain the database metadata. The data dictionary contains records about other objects in the database. Such as data ownership, data relationships to other objects and other data.
Lucky said:   6 years ago
Thanks for your explanation @Devi.
David said:   4 years ago
Data dictionary is an inventory of data elements in a database or data model with detailed description of its format, relationships, meaning, source and usage.
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