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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 individual who is responsible for a database or the head of database administration
Unnormalized Relation
Statement History
Database Administrator (DBA)
Database Administration (DBA)
2. Two simple criteria in a query the are combined with the AND or OR operators
Sysviews
Validation Text
Compound Criteria
Union Compatible
3. The field on which data are sorted
Division
Sort Key
GRANT
View
4. A collection of actions in Access that are performed in response to an associated database operation - such as inserting or updating or deleting records.
Data Macro
Database Design
Difference
Database Administration (DBA)
5. The combination of two or more rows in an operation - such as a join - or the combination of two or more columns for a primary key field to uniquely identify a given row in a table
Concatenation
Relationship
Validation Rule
Qualify
6. A message in Access that is displayed when a validation rule is violated
Field
Form
Validation Text
FOREIGN KEY
7. Additional information required by an action in a data macro to complete the action
Arguments
One-to-Many Relationship
ORDER BY Clause
DROP TABLE
8. The table obtained by concatenating every row in the first table with every row in the second table
Field
Data Independence
Product
Update Query
9. A program or a collection of programs through which users interact with a database
Data Independence
Field
Database Management System (DBMS)
Database Administration (DBA)
10. Two simple criteria in a query the are combined with the AND or OR operators
Redundancy
Compound Conditions
Delimiter
Primary Key
11. An update option in which related records are automatically updated
Cascade Update
CREATE TABLE
ALTER TABLE
Comparison Operator
12. When sorting on two fields - the less important field
SELECT
Secondary Sort Key
INSERT
Redundancy
13. A query that deletes all records that satisfy some criterion
Validation Rule
CHECK
WHERE Clause
Delete Query
14. A field whose value is computed from other fields in the database
Criteria
Major Sort Key
PRIMARY KEY
Computed Field
15. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Stored Procedure
Security
Difference
Data Independence
16. A characteristic or property of an entity
Relational Database
Column
Attribute
Data Independence
17. The process of creating collections of records that share some common characteristics
Relational Database
Validation Rule
Database Design
Grouping
18. A delete option in which related records are automatically deleted
View
Cascade Delete
Field
Criteria
19. Duplication of data or the storing of the same data in more than one place.
DELETE
Sort Key
Concatenation
Redundancy
20. A query that deletes all records that satisfy some criterion
Sort Key
One-to-Many Relationship
Delete Query
CHECK
21. When sorting on two fields - the less important field
Stored Procedure
One-to-Many Relationship
Relational Database
Secondary Sort Key
22. An association between entities
Primary Key
SUBTRACT
Database
Relationship
23. A file used to store data about a single entity. Such a file can be thought of as a table.
Attribute
Data File
SELECT Clause
DROP TABLE
24. The SQL command used to make changes to existing table data
Database Administration (DBA)
Cartesian Product
Make-Table Query
UPDATE
25. A collection of relations
Relational Database
Compound Conditions
Entity
Column
26. Combination of criteria in which both criteria must be true
AND Criterion
System Catalog
Qualify
Column
27. The relational algebra command to select rows from a table
Primary Key
Database
SELECT
Validation Rule
28. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Simple Condition
Calculated Field
Unnormalized Relation
Catalog
29. What type of an operator is >= ?
Comparison Operator
Relational Database
Design Grid
Simple Condition
30. A file that relates key values to records that contain those key values
GROUP BY Clause
Integrity Constraint
Index
Database Design
31. The part of an SQL SELECT command that indicates the condition rows must satisfy to be displayed in the query results
WHERE Clause
Major Sort Key
One-to-Many Relationship
Sort
32. An index built on a single field
Secondary Sort Key
Relationship
Single-Column Index
Database Administrator (DBA)
33. A collection of relations
Primary Sort Key
HAVING Clause
Documenter
Relational Database
34. A characteristic or property of an entity
Field
Update Query
Database Design
Data File
35. A data manipulation language for relational databases in which users indicate the action to be taken by completing on-screen forms
PRIMARY KEY
Join Column
Attribute
Query-By-Example (QBE)
36. A screen object you use to maintain or view and print data from a database
Form
Natural Join
Secondary Sort Key
Product
37. When comparing tables an intersection is a new table containing all rows that are in both original tables
Relationship
Intersection
Compound Conditions
Union Compatible
38. The query that is used to define the structure of a viewk
Attribute
Natural Join
Database Administrator (DBA)
Defining Query
39. 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
Comparison Operator
CREATE TABLE
Intersection
AND Criterion
40. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Qualify
Secondary Sort Key
Database Administration (DBA)
Minor Sort Key
41. 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
PRIMARY KEY
Calculated Field
Aggregate Functions
Delete Query
42. The prevention of unauthorized access to a database
Data File
Cascade Delete
Security
SELECT
43. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Integrity Constraint
Field
Primary Key
Unnormalized Relation
44. A query in SQL that appears within another
Data Independence
Outer Join
Subquery
Relationship
45. 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
Relation
Index
INSERT
Relational Algebra
46. A person or place or object or event or idea for which you want to store and process data
Sort
Entity
DROP TABLE
Database Administration (DBA)
47. In an Access query the line drawn between tables to indicate how they are related
Join Line
Sysviews
WHERE Clause
OR Criterion
48. Two simple criteria in a query the are combined with the AND or OR operators
Join
INSERT
Compound Conditions
Sysindexes
49. A collection of relations
Delete Query
Relational Database
Validation Text
OR Criterion
50. The relational algebra command for performing the difference of two tables
Minor Sort Key
SUBTRACT
INSERT
Database Administration (DBA)