Question 1 of 25
Hints left: 3
Q1
For a number of reasons, normalizations is not often an advantage for a(n) ________ database.
Q2
Each answer below shows example data from a table. Which answer is an example of the missing values problem?
Q3
Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem?
Q4
Each answer below shows example data from a table. Which answer is an example of the general-purpose remarks column problem?
Q5
If a table has been normalized so that all determinants are candidate keys, then that table is in:
Q6
When building a database from an existing set of tables, we may safely assume that referential integrity constraints have been enforced on the data we are given.
Q7
When assessing the table structure of an acquired set of tables with data, determining functional dependencies is (part of) the:
Q8
Read-only databases are ________ updated.
Q9
Creating a read-only database is a task that is ________ assigned to beginning database professionals.
Q10
Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?
Q11
We have normalized a table into BCNF if all candidate keys are determinants.
Q12
When building a database from an existing set of tables, we still need to consider normalization principles.
Q13
When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:
Q14
Most of the time, modification anomalies are serious enough that tables should be normalized into:
Q15
When assessing the table structure of an acquired set of tables with data, determining foreign keys is (part of) the:
Q16
When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the:
Q17
Each answer below shows example data from a table. Which answer is an example of the inconsistent values problem?
Q18
Needing to using more complicated SQL in database applications is a(n) ________ of normalization.
Q19
We use the SQL construct COLUMNS(*) to determine the number and type of columns in a table.
Q20
Eliminating modification anomalies is a(n) ________ of normalization.
Q21
Normalization ________ data duplication.
Q22
Most of the time, modification anomalies cause problems that are severe enough that a table should be normalized into BCNF.
Q23
Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization.
Q24
Multivalued dependencies should ________ be eliminated.
Q25
When assessing the table structure of an acquired set of tables with data, counting the number of table rows is (part of) the: