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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 structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Cascade Update
Make-Table Query
Unnormalized Relation
Relational Database
2. A database has integrity if the data in it satisfies all established integrity constraints
Entity
Compound Criteria
Integrity
Database Administration (DBA)
3. In relational algebra the operation in which two tables are connected on the basis of common data.
Data Independence
Entity
Join
DELETE
4. The column on which two tables are joined
Relational Algebra
Computed Field
Join Column
Column
5. A combination of two tables consisting of all records that are in either table
Null
Union
Sort Key
Concatenation
6. An access query that creates a table using the results of a query
WHERE Clause
Column
Query-By-Example (QBE)
Make-Table Query
7. In an Access query the line drawn between tables to indicate how they are related
Delete Query
Primary Key
Join Line
Criteria
8. A screen object you use to maintain or view and print data from a database
Syscolumns
One-to-Many Relationship
Cascade Delete
Form
9. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table
SQL (Structured Query Language)
Secondary Sort Key
Division
Natural Join
10. A field whose value is computed from other fields in the database
Grouping
Calculated Field
Grouping
Form
11. A query that deletes all records that satisfy some criterion
Computed Field
Delete Query
Entity-Relationship (E-R) Diagram
Database
12. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Sort
Trigger
Qualify
Join Column
13. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
GRANT
Qualify
Comparison Operator
Single-Field Index
14. 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.
Documenter
Primary Key
One-to-Many Relationship
Relationship
15. An index built on a single field
Concatenation
Natural Join
Single-Field Index
Union Compatible
16. The rule that no column (attribute) that is part of the primary key may accept null values
Data File
Primary Key
Entity Integrity
Relational Database
17. A screen object you use to maintain or view and print data from a database
Validation Rule
Form
Sort
Query
18. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on
Referential Integrity
Database Design
Repeating Groups
Design Grid
19. The relational algebra command for performing the difference of two tables
SELECT Clause
SUBTRACT
Server
Primary Key
20. The column on which two tables are joined
Data File
Join Column
Form
Criterion
21. A program or a collection of programs through which users interact with a database
Entity-Relationship (E-R) Diagram
Reserved Words
Database Administration (DBA)
Database Management System (DBMS)
22. The prevention of unauthorized access to a database
Security
View
Data File
Validation Text
23. 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
AND Criterion
OR Criterion
Relation
One-to-Many Relationship
24. A rule in Access that data entered in a field must satisfy
Subquery
Validation Rule
REVOKE
Sort
25. The process of arranging rows in a table or results of a query in a particular order
Redundancy
Sort
UPDATE
Entity-Relationship (E-R) Diagram
26. A characteristic or property of an entity
Trigger
Aggregate Functions
Attribute
Subquery
27. When sorting on two fields - the less important field
Outer Join
Repeating Groups
Minor Sort Key
Database Design
28. The relational algebra command to select rows from a table
Relation
Entity-Relationship (E-R) Diagram
SELECT
SUBTRACT
29. Duplication of data or the storing of the same data in more than one place.
Criterion
Form
Field
Redundancy
30. In Access the query that updates the contents of a table
AND Criterion
Sysviews
Join Line
Update Query
31. When sorting on two fields this is the more important field
Primary Sort Key
Row-and Column Subset View
Integrity Constraint
Concatenation
32. An index built on a single field
SELECT
INSERT
Single-Column Index
Null
33. A file used to store data about a single entity. Such a file can be thought of as a table.
Integrity
PROJECT
Data File
OR Criterion
34. The part of an SQL SELECT command that indicates grouping
Comparison Operator
Primary Sort Key
GROUP BY Clause
Compound Conditions
35. A file used to store data about a single entity. Such a file can be thought of as a table.
Data File
UPDATE
Outer Join
Query-By-Example (QBE)
36. The table obtained by concatenating every row in the first table with every row in the second table
Cartesian Product
Join
Redundancy
AND Criterion
37. The SQL command that drops (deletes) and index from a table
Entity
Validation Rule
ORDER BY Clause
DROP INDEX
38. The SQL command used to make changes to existing table data
Sort
UPDATE
Entity
Integrity Constraint
39. The process of arranging rows in a table or results of a query in a particular order
Make-Table Query
Catalog
Sort
Relational Algebra
40. The relational algebra command used to select columns from a table
Difference
Computed Field
Relationship
PROJECT
41. A Characteristic or property of an entity
Column
Form
Security
FOREIGN KEY
42. The SQL command used to delete a table
Query-By-Example (QBE)
Minor Sort Key
DELETE
Compound Criteria
43. The individual who is responsible for a database or the head of database administration
View
Database Administrator (DBA)
Sysviews
Relation
44. An action that automatically occurs in response to an associated database operation such as INSERT or UPDATE or DELETE
Trigger
Intersection
Database
Division
45. 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
Integrity
Intersection
Server
CREATE TABLE
46. A question the answer to which is found in the database
Query
Entity
Compound Conditions
Security
47. 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
Criteria
Database Design
Relation
Database Administration (DBA)
48. An access query that creates a table using the results of a query
Make-Table Query
Form
Integrity Constraint
Delete Query
49. The SQL command that creates an index in a table
Minor Sort Key
CREATE INDEX
Database Management System (DBMS)
Database Administrator (DBA)
50. 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
Entity
Primary Key
Database Design
SQL (Structured Query Language)