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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. A program or a collection of programs through which users interact with a database
Database
Database Management System (DBMS)
Computed Field
Division
2. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
Relational Database
Design Grid
Data File
Attribute
3. The table obtained by concatenating every row in the first table with every row in the second table
Qualify
Cascade Update
Stored Procedure
Product
4. A database has integrity if the data in it satisfies all established integrity constraints
Integrity
DROP TABLE
Minor Sort Key
Compound Criteria
5. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities
Data Macro
Relationship
Database
Field
6. Two tables are union compatible if they have the same number of fields and if their corresponding fields have identical data types
Criteria
Relation
Product
Union Compatible
7. Two simple criteria in a query the are combined with the AND or OR operators
Compound Conditions
Relationship
Trigger
Database Design
8. The prevention of unauthorized access to a database
REVOKE
Security
Field
Relationship
9. An access tool that provides documentation about the objects in a database
Documenter
Integrity Constraint
Database Management System (DBMS)
DELETE
10. The process of creating collections of records that share some common characteristics
Grouping
Redundancy
Sort Key
Secondary Sort Key
11. 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
Integrity Constraint
Relationship
Minor Sort Key
Entity-Relationship (E-R) Diagram
12. The part of an SQL SELECT command that indicates the tables in the query
DELETE
PRIMARY KEY
Entity Integrity
FROM Clause
13. A characteristic or property of an entity
Catalog
Attribute
GROUP BY Clause
Repeating Groups
14. 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
HAVING Clause
DROP TABLE
Database Design
Repeating Groups
15. A collection of relations
Relational Database
Relational Algebra
Referential Integrity
Data File
16. What type of an operator is >= ?
Update Query
Comparison Operator
Relationship
Minor Sort Key
17. A Characteristic or property of an entity
Join Column
Column
Relationship
CREATE INDEX
18. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities
Join Column
Redundancy
Union
Database
19. A query that deletes all records that satisfy some criterion
Delete Query
Delimiter
Systables
Update Query
20. A rule that must be followed by data in a database
Data Independence
Referential Integrity
Integrity Constraint
Legal-Values Integrity
21. The field on which data are sorted
Null
Security
Sort Key
Integrity
22. A data value meaning "unknown" or "not applicable"
Null
Minor Sort Key
Aggregate Functions
Database Administration (DBA)
23. The SQL command that creates an index in a table
CREATE INDEX
PROJECT
FROM Clause
Update Query
24. An index built on a single field
Single-Column Index
Outer Join
PROJECT
Database
25. An association between entities
Relationship
Server
Secondary Sort Key
Difference
26. The rule that no column (attribute) that is part of the primary key may accept null values
Entity Integrity
Join
Attribute
Major Sort Key
27. In an Access query the line drawn between tables to indicate how they are related
Data File
Database Design
Join Line
Query-By-Example (QBE)
28. The process of arranging rows in a table or results of a query in a particular order
Compound Conditions
Sort
Data File
Integrity
29. The process of arranging rows in a table or results of a query in a particular order
Simple Condition
Sort
Entity-Relationship (E-R) Diagram
Database Design
30. 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
Integrity
Syscolumns
Cascade Update
One-to-Many Relationship
31. A relational data manipulation language in which new tables are created from existing tables through the use of a set of operations
Arguments
Repeating Groups
Relational Algebra
Make-Table Query
32. An update option in which related records are automatically updated
Difference
Row-and Column Subset View
Cascade Update
Sort
33. The part of an SQL SELECT command that indicates the columns to be included in the query results
SELECT Clause
Reserved Words
Form
Relational Database
34. When sorting on two fields this is the more important field
FROM Clause
SQL (Structured Query Language)
Major Sort Key
Join Line
35. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Integrity
Data File
Data File
Data Independence
36. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
Design Grid
Command
Redundancy
Query
37. A word that is part of the SQL language
Redundancy
Reserved Words
Database
Database
38. More than one entry at a single location in a table
Database Administrator (DBA)
Repeating Groups
Multiple-Field Index
Cascade Delete
39. The SQL statement that is used to revoke privileges from users of a database
REVOKE
Validation Rule
Criterion
Database Administration (DBA)
40. The SQL command that drops (deletes) a table from a database
Relationship
DROP TABLE
Data Independence
Entity
41. Two simple criteria in a query the are combined with the AND or OR operators
Syscolumns
Outer Join
Column
Compound Criteria
42. The relational algebra command to select rows from a table
SELECT
Qualify
Join Line
Join
43. A condition that involves only a single field and a single value
GROUP BY Clause
FROM Clause
Union
Simple Condition
44. When comparing tables the set of all rows that are in the first table but that are not in the second table
Difference
Relation
SUBTRACT
GRANT
45. 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.
Database Administration (DBA)
Data Independence
View
Primary Key
46. The individual who is responsible for a database or the head of database administration
Delete Query
Entity-Relationship (E-R) Diagram
Database Administrator (DBA)
Primary Key
47. A computer that provides services to the clients in a client/server system
Entity-Relationship (E-R) Diagram
AND Criterion
PRIMARY KEY
Server
48. A database has integrity if the data in it satisfies all established integrity constraints
Join Line
Union Compatible
Integrity
INSERT
49. A structure that contains information about the objects (tables or columns or indexes or views and so on) in a database
Relationship
Database Management System (DBMS)
System Catalog
Update Query
50. A database has integrity if the data in it satisfies all established integrity constraints
Integrity
Minor Sort Key
Unnormalized Relation
Database Management System (DBMS)