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need to get answer for questions 3&4 on this page in part 1
What is an ERD?
Which data type can store unstructured data? Raw data type can store unstructured data.
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
This project requires you to perform a systems analysis and then design a system solution using database software. Ace Auto Dealers specializes in selling new vehicles from Subaru.
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Normal 0 false false false EN-US X-NONE X-NONE
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
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