Question 1 of 25
Hints left: 3
Q1
Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?
Q2
We can eliminate modification anomalies with proper normalization that results in tables in BCNF.
Q3
Which of the following situation requires the use of ID-dependent entities?
Q4
The design guidelines and priorities for read-only databases are different because read-only databases are never updated.
Q5
When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given.
Q6
Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
Q7
Which of the following column properties would be used to specify that cells in a column must contain a monetary value?
Q8
We use the SQL construct COUNT(*) to count the number of rows in a table.
Q9
One common design problem when designing a database from existing data is the presence of inconsistent values in the received data.
Q10
In a 1:1 relationship, the foreign key is placed in:
Q12
A primary key should be defined as:
Q13
One common design problem when designing a database from existing data is the use of a single cell in one column to store multiple values of an attribute.
Q14
Normalization requires programmers to write more complex SQL.
Q15
In a 1:N relationship, the foreign key is placed in:
Q16
Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated.
Q17
Which of the following column properties specifies whether or not cells in a column must contain a data value?
Q18
In all cases, normalization into BCNF is desirable.
Q19
One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data.
Q20
When you are given a set of tables and asked to create a database to store their data, the first step is to create the new database.
Q21
Denormalized tables are in BCNF.
Q22
Proper normalization eliminates duplicated data.
Q23
One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data.
Q24
The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint.
Q25
Which of the following columns is(are) are required in a table?