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Test your basic knowledge |
Database Management
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. Knowingly violates one or more rules of normalization.
Cardinality
Best Normal Form
Entities
Secondary Key
2. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.
Join
Null
Select
Foreign Key
3. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.
Data
Normalization
Multi-valued Dependency
Many-to-many Relationship
4. No multiple multi-valued dependencies.
Calculated Field
Normalization
Fourth Normal Form
Key
5. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.
Primary Key
Database
Entities
SQL
6. A database object that stores data in records and fields. The data is usually about a particular category of things.
Trigger
Data Definiton Language
Table
Referential Integrity Constraint
7. That structure which contains description of objects created by a user - such as base tables - views and constraints - as a part of a database.
Query
Schema
Triggers
Recursive Dependency
8. A collection of fields that together describe one entity.
Record
Multi-valued Dependency
Third Normal Form
Database Management System (DBMS)
9. A feature that speeds up searching and sorting in a table based on key values and can enforce uniqueness on the rows of a table.
Third Normal Form
Schema
Index
Foreign Key
10. An association between two tables in which the primary key value of each record in the primary table corresponds to the value in the matching field or fields of one and only one record in the related table.
Data Mining
One-To-One Relationship
Transitive Dependency
Candidate Key
11. A question about the data stored in your tables - or a request to perform an action on the data. A query can bring together data from multiple tables to serve as the source of data for a form. report or data access page.
Index
Multi-valued Dependency
Query
SQL View
12. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.
Action Query
Flat File
Self-Join
Compound Key
13. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
Entity Relationship Diagram
Data Model
Boyce-Codd Normal Form
Query
14. The set of fields in a table which stores unique values and so any one from the list can be selected to be the primary key.
Candidate Key
Tuple
Third Normal Form
E-R diagram
15. A graphical representation of any portion of a database scheme.
Determinant
Design Vie
Referential Integrity
Database Diagram
16. A data type that is used for fields and calculations involving money
Currency Data Type
Select Query
Super key
Default Value
17. DOC MADE UP
Sort
Data Definiton Language
Recursive Dependency
Compound Key
18. Candidate key selected for use.
Second Normal Form
Primary Key
Super key
Third Normal Form
19. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Composite Key
Data Integrity Rules
Compound Key
Table
20. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.
Determinant
Make Table Query
Referential Integrity Constraint
Second Normal Form
21. A primary key that is comprised of more than one field.
First Normal Form
Composite Key
One-To-One Relationship
Null
22. A function such as sum - count or average that you use to include summary data in a report.
Aggregate Function
Select Query
Null
Many-to-many Relationship
23. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.
Row
One-To-Many Relationship
Access 2007
Currency Data Type
24. The conditional expession that is to be used to select particular data records from a larger set of records.
Relational Database Model
Attribute
Database
Criteria
25. One (or more fields) in a table that refer to the primary key in another table.
Foreign Key
Self-Join
Entities
Autonumber
26. To modify a database - or the files associated with the database.
Autonumber
Row
Many-to-many Relationship
Transact
27. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Best Normal Form
Second Normal Form
Database Window
First Normal Form
28. The window that appears when you open an Access database or an Access project. It displays the commands for creating new database objects and opening and manipulating existing objects.
Third Normal Form
Database Window
Database Management System (DBMS)
One-To-One Relationship
29. One or more fields whose values uniquely identify each record in a table.
Database Diagram
Metadata
Object-Oriented Database
Primary Key
30. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database
Database Object
Multi-valued Dependency
Data Manipulation Language
Select
31. Data from a table - form - query which is displayed in a row-and-column format.
Data Sheet
Totals Query
Composite Key
Autonumber
32. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.
Table Window
Compound Key
Hierarchical Database
SQL
33. All determinants are candidate keys.
Determinant
Boyce-Codd Normal Form
Access
Normalization
34. This is a property of data which - when satisfied - requires every value of one field (attribute) of a table to exist as a value of another field in another related table.
Column
Referential Integrity
Criteria
Default Value
35. A link between two or more tables.
SQL
Foreign Key
Recursive Dependency
Join
36. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
Numeric Data Type
Primary Key
Data Integrity Rules
Table Window
37. No partial functional-dependencies.
Metadata
Record
Entity Relationship Diagram
Second Normal Form
38. A field data type that automatically stores a unique number for each record as it is added to a table.
Super key
Autonumber
Boyce-Codd Normal Form
Criteria
39. A relation that contains no multivalued attributes.
Database
Database Diagram
Flat File
First Normal Form
40. A combination of attributes that can be used to uniquely identify a database record. Candidate keys are a special subset of super keys that do not have any extraneous information in them
Super key
Column Selector
Design Vie
Determinant
41. A way of looking at a database object - usually looking at the design or at the contents/results
Flat File
Data Warehouse
View
Schema
42. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.
One-To-Many Relationship
Super key
Table Window
Check Box
43. A database object that prints information formatted and organised according to your specifications.
Report
Composite Key
Row
Fourth Normal Form
44. Two or more controls that can be treated as one unit while designing a form or report. You can select the group instead of selecting each individual control as you are arranging controls or assigning properties.
Group
Second Normal Form
SQL View
Fourth Normal Form
45. A control - also called an edit field - used on a form - report or data access page to display text or accept data entry.It can have a label attached to it.
Referential Integrity Constraint
Schema
Text Box
Index
46. A table which is not only in 2NF but whose non-primary key fields are dependent only on the primary key and therefore have no dependence on (relationship to) any other non-primary key field in the table.
Hierarchical Database
Third Normal Form
Data Integrity Rules
Boyce-Codd Normal Form
47. An association between two tables in which the primary key value of each record in the primary table corresponds to the value in the matching field or fields of0 - 1 - or many records in the related table.
Many-to-Many Relationships
Key
One-To-Many Relationship
Object-Oriented Database
48. A graphical representation of all entity relationships (Data Model)
Entity Relationship Diagram
Schema
Column Selector
Determinant
49. A location within a database table that stores one particular type of data i.e. a field
Data
Primary Key
Database
Column
50. A field - set up in a query - that displays the result of an evaluated expression rather than displaying stored data.The value of the calculated field is re-calculated each time a value in the expression changes.
Row
Numeric Data Type
Aggregate Function
Calculated Field