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State true or false: Functional dependencies are transitive
If A→B, A→ C then which of the following is true
If B is an attribute and A→B, Then B is said to be ________ by a
We say that a decomposition having the property F’+ = F+ is a __________ decomposition
A _________ Fc for F is a set of dependencies such that F logically implies all dependencies in Fc, and Fc logically implies all dependencies in F
What does the BCNF decomposition algorithm do
The 3NF decomposition algorithm is also called as _______
Which of the following is desirable in a database design with functional dependencies
Which of the following is not a process of generating a good relational schema
What is unique role assumption
The process of making a normalized schema unnormalized is called as _________
State true or false: Crosstabs are not desirable in a database design
The data that have a time interval associated with them during which they are valid are called as ________
The value of the data at a particular time is called as
Functional dependencies that have a time associated with them during which they are valid are called as________
State true or false: Overlapping time intervals cannot be prevented
Which of the following is the time of temporal data that record when a fact was recorded in a database
To specify the foreign keys in relations referencing temporal data we need to specify _______
A relational database consists of a collection of
A ________ in a table represents a relationship among a set of values
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