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