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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
FOREIGN KEY
Single-Field Index
Catalog
Database Management System (DBMS)
2. A collection of actions in Access that are performed in response to an associated database operation - such as inserting or updating or deleting records.
Reserved Words
Legal-Values Integrity
Relational Database
Data Macro
3. The prevention of unauthorized access to a database
Security
Field
GROUP BY Clause
Compound Criteria
4. A field whose value is computed from other fields in the database
SELECT
Compound Conditions
SELECT Clause
Calculated Field
5. Two tables are union compatible if they have the same number of fields and if their corresponding fields have identical data types
Union Compatible
Subquery
Attribute
Sort Key
6. 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
Defining Query
Null
Index
7. The process of arranging rows in a table or results of a query in a particular order
Legal-Values Integrity
Query-By-Example (QBE)
Sort
Outer Join
8. The individual who is responsible for a database or the head of database administration
Query-By-Example (QBE)
Database Administrator (DBA)
Relational Algebra
Form
9. A characteristic or property of an entity
Relationship
Grouping
Validation Text
Field
10. The column on which two tables are joined
Join Column
Unnormalized Relation
AND Criterion
CREATE INDEX
11. The rule that no column (attribute) that is part of the primary key may accept null values
Referential Integrity
Union
Defining Query
Entity Integrity
12. 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
Relationship
CREATE INDEX
Query-By-Example (QBE)
Relation
13. The SQL command used to delete a table
DELETE
Query-By-Example (QBE)
Sysviews
Field
14. An association between entities
Database Design
Major Sort Key
Relationship
Primary Key
15. An instruction by a user that directs a database to perform a certain way
Stored Procedure
Command
Integrity Constraint
Grouping
16. When sorting on two fields - the less important field
Cascade Delete
INSERT
Minor Sort Key
Grouping
17. Additional information required by an action in a data macro to complete the action
Multiple-Field Index
Arguments
Database
Column
18. A characteristic or property of an entity
Validation Rule
Aggregate Functions
Field
Join
19. The rule that if table A contains a foreign key that matches the primary key of table B then the value of this foreign key must either match the value of the primary key for some row in table B or be null
Trigger
Catalog
Referential Integrity
Database Management System (DBMS)
20. 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
Database Management System (DBMS)
Concatenation
Primary Key
Database Administrator (DBA)
21. An access query that creates a table using the results of a query
CHECK
Make-Table Query
Redundancy
Simple Condition
22. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.
Concatenation
FROM Clause
Qualify
Form
23. An association between entities
Relationship
Security
Criterion
One-to-Many Relationship
24. Duplication of data or the storing of the same data in more than one place.
Database Design
Command
Secondary Sort Key
Redundancy
25. Combination of criteria in which both criteria must be true
Entity-Relationship (E-R) Diagram
Relational Algebra
Union Compatible
AND Criterion
26. When sorting on two fields this is the more important field
Outer Join
Reserved Words
Major Sort Key
Grouping
27. 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.
Cascade Update
Primary Key
Database Administrator (DBA)
Cartesian Product
28. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
ORDER BY Clause
Unnormalized Relation
Major Sort Key
Aggregate Functions
29. A file that relates key values to records that contain those key values
Unnormalized Relation
Form
Index
Sort
30. A file used to store data about a single entity. Such a file can be thought of as a table.
OR Criterion
Catalog
Data File
Server
31. The part of an SQL SELECT command that indicates the condition rows must satisfy to be displayed in the query results
Relational Database
Systables
Join
WHERE Clause
32. A person or place or object or event or idea for which you want to store and process data
Trigger
Sort Key
Entity
Compound Criteria
33. The SQL command used to make changes to existing table data
Concatenation
Natural Join
Entity
UPDATE
34. The form of a join in which all records appear - even if they don't match
Minor Sort Key
Outer Join
Column
Primary Key
35. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups
Union
Union Compatible
Unnormalized Relation
Minor Sort Key
36. The property that lets you change the structure of a database without requiring you to change the programs that access the database
Intersection
Relational Database
One-to-Many Relationship
Data Independence
37. A screen object you use to maintain or view and print data from a database
Single-Column Index
Entity-Relationship (E-R) Diagram
Unnormalized Relation
Form
38. A query in SQL that appears within another
Database
Criteria
Criterion
Subquery
39. When sorting on two fields - the less important field
Multiple Column Index
Minor Sort Key
Database Design
Data Independence
40. A question the answer to which is found in the database
FOREIGN KEY
Query
Syscolumns
Qualify
41. An access query that creates a table using the results of a query
Design Grid
Update Query
Computed Field
Make-Table Query
42. The individual who is responsible for a database or the head of database administration
Primary Sort Key
Database Administrator (DBA)
Stored Procedure
Defining Query
43. Two simple criteria in a query the are combined with the AND or OR operators
Compound Criteria
Query
Comparison Operator
Stored Procedure
44. The process of arranging rows in a table or results of a query in a particular order
Database Design
Functions
Database Administrator (DBA)
Sort
45. A data value meaning "unknown" or "not applicable"
Sort
Null
Criteria
SUBTRACT
46. An index built on more than one field
HAVING Clause
Multiple Column Index
Functions
GRANT
47. In relational algebra the operation in which two tables are connected on the basis of common data.
FROM Clause
Join
Defining Query
Database Administration (DBA)
48. The relational algebra command for performing the difference of two tables
SUBTRACT
Make-Table Query
Union
Cartesian Product
49. A rule in Access that data entered in a field must satisfy
ALTER TABLE
Validation Rule
PROJECT
Defining Query
50. 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
Database Administrator (DBA)
Cascade Update
Database Administration (DBA)
Functions