7 years ago
in Database Management System
A tool that can help designers understand the dependencies of database structures is a:
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Answers
Zachery Chen -
1 month ago
Zachery Chen from Taiwan is saying data model. is correct answer
Shourya Singh Rawat -
4 years ago
Shourya Singh Rawat from India is saying data model. is correct answer
Mihir Shah -
4 years ago
Mihir Shah from Majalgaon, India is saying dependency graph. is correct answer
Muhammad Jamshed Mahmood -
4 years ago
Muhammad Jamshed Mahmood from Lahore, Pakistan is saying dependency graph. is correct answer
Imran Ali -
4 years ago
Imran Ali from Rawalpindi, Pakistan is saying data model. is correct answer
Related Questions
Before any changes to database structure are attempted one should first:
- [A] clearly understand the current structure and contents of the database only.
- [B] test any changes on a test database only.
- [C] create a complete backup of the operational database only.
- [D] All of the above should be done.
The EXISTS keyword will be true if:
- [A] any row in the subquery meets the condition only.
- [B] all rows in the subquery fail the condition only.
- [C] both of these two conditions are met.
- [D] neither of these two conditions is met.