SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Combination of criteria in which both criteria must be true
One-to-Many Relationship
System Catalog
Attribute
AND Criterion
2. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate
GRANT
Entity-Relationship (E-R) Diagram
Natural Join
Database
3. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities
System Catalog
Repeating Groups
Entity
Database
4. The form of a join in which all records appear - even if they don't match
Outer Join
Subquery
Security
Documenter
5. A characteristic or property of an entity
Attribute
Comparison Operator
Sort
REVOKE
6. A program or a collection of programs through which users interact with a database
Database
Database Management System (DBMS)
Legal-Values Integrity
Aggregate Functions
7. A file used to store data about a single entity. Such a file can be thought of as a table.
WHERE Clause
Database
Data File
Database Administrator (DBA)
8. 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
Entity-Relationship (E-R) Diagram
Statement History
Redundancy
One-to-Many Relationship
9. An access tool that provides documentation about the objects in a database
Form
Database Administrator (DBA)
Integrity Constraint
Documenter
10. The prevention of unauthorized access to a database
Intersection
Security
PRIMARY KEY
Sort Key
11. The process of determining the content and structure of data in a database in order to support some activity on behalf of a user or group of users
Database Design
AND Criterion
Concatenation
Security
12. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Unnormalized Relation
Catalog
FROM Clause
Relational Algebra
13. A field whose value is computed from other fields in the database
Statement History
Calculated Field
Relation
Relationship
14. Duplication of data or the storing of the same data in more than one place.
Criterion
Entity-Relationship (E-R) Diagram
Null
Redundancy
15. When sorting on two fields this is the more important field
Criteria
ALTER TABLE
Server
Major Sort Key
16. A very popular relational data definition and manipulation language that is used in many relational DBMS's
Functions
SQL (Structured Query Language)
Comparison Operator
Security
17. More than one entry at a single location in a table
Database Administrator (DBA)
Entity
Repeating Groups
View
18. Two simple criteria in a query the are combined with the AND or OR operators
SQL (Structured Query Language)
Compound Conditions
Concatenation
Index
19. Two simple criteria in a query the are combined with the AND or OR operators
Compound Criteria
ALTER TABLE
Computed Field
Repeating Groups
20. A source of data - usually stored in hidden database tables - about the types of entities or attributes and relationships in a database
AND Criterion
Arguments
Catalog
Column
21. An update option in which related records are automatically updated
Cascade Update
ORDER BY Clause
CHECK
Comparison Operator
22. An index built on a single field
Computed Field
Data File
Data Macro
Single-Field Index
23. The process of arranging rows in a table or results of a query in a particular order
Sort
Concatenation
Unnormalized Relation
Index Key
24. 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
Security
DROP TABLE
Grouping
One-to-Many Relationship
25. The SQL command that creates an index in a table
Relationship
Design Grid
Primary Key
CREATE INDEX
26. An association between entities
Primary Key
CREATE INDEX
Comparison Operator
Relationship
27. The individual or group that is responsible for a database
Relational Algebra
Database Administration (DBA)
Single-Column Index
Minor Sort Key
28. A field whose value is computed from other fields in the database
Foreign Key
Computed Field
Trigger
Integrity Constraint
29. 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
Compound Conditions
Column
Design Grid
30. When comparing tables an intersection is a new table containing all rows that are in both original tables
Intersection
GROUP BY Clause
Data File
Calculated Field
31. Duplication of data or the storing of the same data in more than one place.
Row-and Column Subset View
Redundancy
Computed Field
Statement History
32. A data value meaning "unknown" or "not applicable"
Null
FROM Clause
Delete Query
Database
33. A field whose value is computed from other fields in the database
Computed Field
One-to-Many Relationship
Database Design
Single-Column Index
34. The relational algebra command to select rows from a table
Aggregate Functions
Validation Text
SELECT
Repeating Groups
35. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
SELECT
Design Grid
CREATE INDEX
Validation Rule
36. A combination of two tables consisting of all records that are in either table
Union
Database
Data Independence
Functions
37. The SQL command that is used to change the structure of a table
Query-By-Example (QBE)
Integrity
Criterion
ALTER TABLE
38. A relational data manipulation language in which new tables are created from existing tables through the use of a set of operations
FOREIGN KEY
Security
Relational Algebra
Integrity
39. A screen object you use to maintain or view and print data from a database
GROUP BY Clause
Minor Sort Key
SUBTRACT
Form
40. A file used to store data about a single entity. Such a file can be thought of as a table.
Outer Join
Data File
Database Administrator (DBA)
Compound Conditions
41. A database has integrity if the data in it satisfies all established integrity constraints
HAVING Clause
Integrity
Redundancy
Entity-Relationship (E-R) Diagram
42. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate
Entity-Relationship (E-R) Diagram
Database Administrator (DBA)
Repeating Groups
GROUP BY Clause
43. An access query that creates a table using the results of a query
Update Query
Data Independence
Concatenation
Make-Table Query
44. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Reserved Words
Data Independence
Design Grid
PRIMARY KEY
45. The relational algebra command used to select columns from a table
Form
SELECT
PROJECT
Union Compatible
46. A question the answer to which is found in the database
Criteria
Join Line
Syscolumns
Query
47. A computer that provides services to the clients in a client/server system
Server
Entity
Data File
Relationship
48. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table
Update Query
Integrity Constraint
Division
Database Administration (DBA)
49. The column on which two tables are joined
Database
Join Column
Criterion
Relation
50. The individual who is responsible for a database or the head of database administration
Natural Join
UPDATE
Secondary Sort Key
Database Administrator (DBA)