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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 characteristic or property of an entity
Minor Sort Key
Compound Conditions
Attribute
Field
2. An index built on more than one field
Qualify
Natural Join
Multiple Column Index
Intersection
3. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table
Database Design
DELETE
Join Line
Division
4. A screen object you use to maintain or view and print data from a database
Relational Database
Aggregate Functions
OR Criterion
Form
5. Two tables are union compatible if they have the same number of fields and if their corresponding fields have identical data types
GRANT
Union Compatible
Product
Subquery
6. A view that consists of a subset of the rows and columns in a table
Intersection
Relation
FROM Clause
Row-and Column Subset View
7. The part of an SQL SELECT command that indicates grouping
GROUP BY Clause
Difference
Make-Table Query
Primary Sort Key
8. The plural of Criterion
Major Sort Key
Database Administrator (DBA)
Update Query
Criteria
9. A characteristic or property of an entity
Reserved Words
Attribute
Natural Join
Data File
10. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Sort
Query
Relationship
Unnormalized Relation
11. The SQL command used to delete a table
Intersection
DELETE
Data File
Subquery
12. Two simple criteria in a query the are combined with the AND or OR operators
System Catalog
Compound Criteria
Subquery
Primary Key
13. When sorting on two fields this is the more important field
Integrity Constraint
Major Sort Key
Data Independence
Union
14. Two simple criteria in a query the are combined with the AND or OR operators
PROJECT
Update Query
Compound Criteria
Documenter
15. 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
REVOKE
PRIMARY KEY
Join Column
16. The part of an SQL SELECT command that indicates the condition rows must satisfy to be displayed in the query results
Product
Update Query
Relation
WHERE Clause
17. A characteristic or property of an entity
Criterion
Attribute
HAVING Clause
Relationship
18. 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
Validation Rule
One-to-Many Relationship
Qualify
Integrity Constraint
19. A structure that contains information about the objects (tables or columns or indexes or views and so on) in a database
Database Administrator (DBA)
Calculated Field
System Catalog
Form
20. 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
Null
Join Line
Relation
Major Sort Key
21. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Secondary Sort Key
Database Administrator (DBA)
Qualify
Statement History
22. The part of an SQL SELECT command that restricts the groups to be displayed
Natural Join
Security
Qualify
HAVING Clause
23. 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
Aggregate Functions
PROJECT
Primary Key
24. The property that lets you change the structure of a database without requiring you to change the programs that access the database
REVOKE
Defining Query
Data Independence
Secondary Sort Key
25. A relational data manipulation language in which new tables are created from existing tables through the use of a set of operations
Major Sort Key
Relational Algebra
Repeating Groups
Field
26. A rule that must be followed by data in a database
Query
SELECT
Database
Integrity Constraint
27. A rule that must be followed by data in a database
Query
SELECT
Integrity Constraint
Form
28. A screen object you use to maintain or view and print data from a database
Qualify
Attribute
CREATE INDEX
Form
29. A field whose value is computed from other fields in the database
One-to-Many Relationship
Update Query
Computed Field
Relational Database
30. The SQL statement that is used to grant different types of privileges to users of a dataabase
Row-and Column Subset View
Database Design
Reserved Words
GRANT
31. 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
Unnormalized Relation
Primary Sort Key
Entity
Database Design
32. 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
One-to-Many Relationship
Concatenation
Grouping
Repeating Groups
33. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Data Independence
Relation
Compound Conditions
Database Administration (DBA)
34. What type of an operator is >= ?
Qualify
Update Query
Sort Key
Comparison Operator
35. A delete option in which related records are automatically deleted
One-to-Many Relationship
Cascade Delete
Relation
Integrity Constraint
36. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Unnormalized Relation
Concatenation
GROUP BY Clause
Sort Key
37. When sorting on two fields - the less important field
Entity-Relationship (E-R) Diagram
Secondary Sort Key
Cascade Update
Outer Join
38. The SQL clause that is used in a CREATE TABLE or ALTER TABLE command to set a table's primary key field(s)
PRIMARY KEY
Security
PROJECT
Entity-Relationship (E-R) Diagram
39. The individual or group that is responsible for a database
SQL (Structured Query Language)
Calculated Field
Database Administration (DBA)
Legal-Values Integrity
40. The relational algebra command for performing the intersection of two tables
SELECT
INTERSECT
Repeating Groups
Make-Table Query
41. When sorting on two fields - the less important field
Unnormalized Relation
Integrity
One-to-Many Relationship
Minor Sort Key
42. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Relational Database
Union
Join Line
Data Independence
43. The SQL command used to add new data to a table
Index
Grouping
INSERT
Functions
44. The table obtained by concatenating every row in the first table with every row in the second table
Cartesian Product
Cascade Delete
FROM Clause
Documenter
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
Entity-Relationship (E-R) Diagram
Repeating Groups
UPDATE
Relation
46. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Qualify
Sort
Concatenation
Update Query
47. An action that automatically occurs in response to an associated database operation such as INSERT or UPDATE or DELETE
Primary Key
Redundancy
SELECT Clause
Trigger
48. When sorting on two fields this is the more important field
Grouping
Major Sort Key
One-to-Many Relationship
Criteria
49. The part of an SQL SELECT command that indicates the tables in the query
Systables
Stored Procedure
Functions
FROM Clause
50. An index built on more than one field
Data File
Multiple Column Index
Multiple-Field Index
Command