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Test your basic knowledge |
Database Fundamentals
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The prevention of unauthorized access to a database
Query
Union Compatible
ALTER TABLE
Security
2. A characteristic or property of an entity
Entity Integrity
Cascade Delete
Attribute
Compound Criteria
3. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column
Field
Database Administration (DBA)
Join
Aggregate Functions
4. A screen object you use to maintain or view and print data from a database
Form
Catalog
Calculated Field
Design Grid
5. The individual who is responsible for a database or the head of database administration
Update Query
CREATE INDEX
Database Administrator (DBA)
Redundancy
6. In Access the query that updates the contents of a table
Database Administrator (DBA)
Entity Integrity
Update Query
Attribute
7. An access tool that provides documentation about the objects in a database
AND Criterion
Documenter
Outer Join
Column
8. A minimal collection of columns (attributes) in a table on which all columns are functionally dependent and that is chosen as the main direct-access vehicle to individual rows.
Primary Key
Defining Query
Union
One-to-Many Relationship
9. A collection of relations
Comparison Operator
Relational Database
Field
Qualify
10. The relational algebra command to select rows from a table
SELECT
Multiple Column Index
Integrity Constraint
Row-and Column Subset View
11. Duplication of data or the storing of the same data in more than one place.
Redundancy
DROP TABLE
Cascade Update
Primary Key
12. A screen object you use to maintain or view and print data from a database
One-to-Many Relationship
Form
Qualify
Index Key
13. When sorting on two fields this is the more important field
Comparison Operator
Primary Sort Key
Relational Algebra
DROP INDEX
14. The individual who is responsible for a database or the head of database administration
Database Administrator (DBA)
Database Administration (DBA)
Form
Natural Join
15. The SQL clause that is used to enforce legal-values integrity
HAVING Clause
SELECT
CHECK
GRANT
16. A data value meaning "unknown" or "not applicable"
Functions
Delimiter
Null
Join Line
17. A data manipulation language for relational databases in which users indicate the action to be taken by completing on-screen forms
Sort Key
Database Administrator (DBA)
Qualify
Query-By-Example (QBE)
18. A question the answer to which is found in the database
Referential Integrity
Sort
Query
Entity
19. A Characteristic or property of an entity
Intersection
Validation Rule
Column
Delimiter
20. A field whose value is computed from other fields in the database
Attribute
Field
Computed Field
Validation Text
21. A relationship between two entities in which each occurrence of the first entity is related to many occurrences of the second entity and each occurrence of the second entity is related to or at most one occurrence of the first entity
Sort
Legal-Values Integrity
Unnormalized Relation
One-to-Many Relationship
22. When sorting on two fields this is the more important field
Major Sort Key
Row-and Column Subset View
DROP TABLE
DROP INDEX
23. A column (attribute) or collection of columns in a table whose value is required either to match the value of a primary key in a table or to be null
Foreign Key
Catalog
Qualify
Security
24. Two simple criteria in a query the are combined with the AND or OR operators
Update Query
Repeating Groups
Database Design
Compound Criteria
25. A screen object you use to maintain or view and print data from a database
Single-Field Index
Form
Delete Query
Entity-Relationship (E-R) Diagram
26. A field whose value is computed from other fields in the database
ALTER TABLE
Computed Field
Field
Data File
27. A message in Access that is displayed when a validation rule is violated
Validation Text
Database
Join
Grouping
28. The SQL command used to describe the layout of a table. The word table is followed by the name of the table to be created and then by the names and data types of the column (fields) that comprise the table
CREATE TABLE
Relation
Referential Integrity
Criteria
29. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
Field
Primary Key
Computed Field
Design Grid
30. An action that automatically occurs in response to an associated database operation such as INSERT or UPDATE or DELETE
One-to-Many Relationship
Trigger
Integrity Constraint
Single-Field Index
31. The process of creating collections of records that share some common characteristics
Database Management System (DBMS)
Integrity Constraint
Outer Join
Grouping
32. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column
Null
Functions
OR Criterion
Attribute
33. A relational data manipulation language in which new tables are created from existing tables through the use of a set of operations
Relational Algebra
Unnormalized Relation
Delimiter
Grouping
34. The most common form of a join
Data File
Update Query
Natural Join
SQL (Structured Query Language)
35. The field on which data are sorted
Sort Key
Repeating Groups
Data File
Attribute
36. A question the answer to which is found in the database
Column
Query
Aggregate Functions
Integrity
37. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Data Independence
Trigger
Sort Key
Relational Database
38. The plural of Criterion
Criteria
Qualify
PROJECT
Field
39. In Access the query that updates the contents of a table
Sysindexes
Update Query
SQL (Structured Query Language)
Field
40. The SQL command that is used to change the structure of a table
Integrity
Integrity
ALTER TABLE
DROP INDEX
41. The portion of the system catalog that contains view information
Comparison Operator
Outer Join
Sysviews
Cascade Delete
42. The individual or group that is responsible for a database
One-to-Many Relationship
Database Administration (DBA)
Difference
Query
43. An index built on a single field
Intersection
Single-Column Index
Server
Attribute
44. The query that is used to define the structure of a viewk
Entity-Relationship (E-R) Diagram
Primary Key
Delimiter
Defining Query
45. A characteristic or property of an entity
Attribute
Foreign Key
Entity Integrity
Relational Database
46. The SQL statement that is used to revoke privileges from users of a database
Concatenation
REVOKE
HAVING Clause
Join Column
47. The portion of the system catalog that contains table information
DELETE
Index Key
Database
Systables
48. Combination of criteria in which both criteria must be true
Integrity
AND Criterion
Outer Join
DROP TABLE
49. A two-dimensional table-style collection of data in which all entries are single-valued - each column has a distinct name and all the values in a column are values of the attribute that is identified by the column name - and the order of the columns
Design Grid
Column
Relation
Multiple Column Index
50. The SQL command used to add new data to a table
Outer Join
Field
Multiple-Field Index
INSERT