Question: A tool that can help designers understand the dependencies of database structures is a:
Options
A : dependency graph.
B : data model.
C : graphical display.
D : None of the above is correct.
Database Redesign - General Questions more questions
The NOT EXISTS keyword will be true if:
The data model that is produced from reverse engineering is:
To drop a column that is used as a foreign....
What SQL command will allow you to change the table....
Which is not true of a correlated subquery?
How many copies of the database schema are typically used....
Because of the importance of making data model changes correctly,....
Which of the following indicates the maximum number of entities....
Which type of entity cannot exist in the database unless....
In a one-to-many relationship, the entity that is on the....
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