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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. 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
Boyce-Codd Normal Form
Select
Super key
Join
2. An organised pool of related data files which can be easily accessed and managed and that may be used by a number of different application programs
Self-Join
Second Normal Form
Database
Entities
3. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)
Database Object
SQL View
Report
SQL
4. A database object that stores data in records and fields. The data is usually about a particular category of things.
Compound Key
Compound Key
Default Value
Table
5. The horizontal bar at the top of a column. You can click a column selector to select the entire column in the query design grid or the filter design grid
Column Selector
Recursive Dependency
Data Sheet
Where clause
6. A characteristic of the items in a database i.e. a field
Compound Key
Super key
Attribute
Totals Query
7. A record as seen in the data sheet view.
Data Mining
Referential Integrity
Row
Delete Query
8. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.
Flat File
Data Definiton Language
Data Integrity Rules
Data Sheet
9. A query that asks a question about the data stored in your tables and returns a results set in the form of a data sheet without changing the actual data in the table(s).
Select Query
Field
Self-Join
SQL View
10. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data
Data Warehouse
Triggers
Recursive Dependency
Boyce-Codd Normal Form
11. 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.
Best Normal Form
Group
Data Mining
Self-Join
12. An abstract model that documents and organizes the business data for communication between team members and is used as a plan for developing applications - specifically how data is stored and accessed.
Self-Join
SQL View
Entities
Data Model
13. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.
Object-Oriented Database
Fourth Normal Form
Database Management System (DBMS)
Secondary Key
14. Knowingly violates one or more rules of normalization.
Comparison Operator
Table Window
Many-to-Many Relationships
Best Normal Form
15. 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.
Database Object
Third Normal Form
Query
View
16. An association/link established between common fields in two different tables. A relationship can be one-to-one - many-to-many or more usually one-to-many.
Sort
Relation
Entities
Super key
17. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Null
Data Definiton Language
Normalization
Text Box
18. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.
Fourth Normal Form
Key
Database Diagram
Secondary Key
19. 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.
Composite Key
Comparison Operator
SQL
Database Window
20. Candidate key selected for use.
Data
Row
Relational Database Model
Primary Key
21. 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.
Transitive Dependency
Database
Transaction
Text Box
22. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.
Compound Key
Many-to-many Relationship
Normalization
Expression Builder
23. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
Check Box
Super key
Numeric Data Type
Record
24. A value that is automatically entered in a field or control when you add a new record.
Default Value
Functional Dependency
Table Window
Where clause
25. 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.
Form
Database Management System (DBMS)
Aggregate Function
Candidate Key
26. The dominant database model
E-R diagram
Data Model
Entity Relationship Diagram
Relational Database Model
27. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database
Relational Database Model
Design Vie
Many-to-many Relationship
Data Manipulation Language
28. No partial functional-dependencies.
Secondary Key
Second Normal Form
Boyce-Codd Normal Form
Query
29. Refers to the number of associations that can exist between two record types.
Hierarchical Database
Expression Builder
Cardinality
Functional Dependency
30. A central repository for databases across an entire enterprise.
Data Integrity Rules
Field
Data Warehouse
Null
31. A DBMS created by Microsoft - it is a collection of data and objects - such as tables - queries - or forms - related to a particular topic or purpose.
Access
Object-Oriented Database
Text Box
Multi-valued Dependency
32. To modify a database - or the files associated with the database.
Alternate Key
Action Query
Default Value
Transact
33. The part of an SQL statement that specifies which record to retrieve.
Numeric Data Type
Where clause
Data Warehouse
Primary Key
34. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Data Definiton Language
Second Normal Form
First Normal Form
Metadata
35. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
Tuple
Query
Boyce-Codd Normal Form
Key
36. Groups of database commands which are to be treated as a single atomic event.
Entity Relationship Diagram
Cardinality
Transaction
Data Warehouse
37. A function such as sum - count or average that you use to include summary data in a report.
Null
Aggregate Function
Design Vie
Data Sheet
38. 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.
Data Model
Boyce-Codd Normal Form
One-To-Many Relationship
Row
39. Attribute that determines the value of another attribute.
Compound Key
Determinant
Criteria
Metadata
40. A relation that contains no multivalued attributes.
First Normal Form
Comparison Operator
Schema
Field
41. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.
Table
Super key
Third Normal Form
Many-to-many Relationship
42. A Key composed of more than one attribute.
Compound Key
View
One-To-Many Relationship
Calculated Field
43. Data about data.
Normalization
Metadata
Determinant
Self-Join
44. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.
Index
Key
Hierarchical Database
Object-Oriented Database
45. 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.
Determinant
Primary Key
Delete Query
Query
46. Data from a table - form - query which is displayed in a row-and-column format.
SQL View
Currency Data Type
Data Sheet
Join
47. Arrange the records in a view set in order according to a particular field
Boyce-Codd Normal Form
Sort
Foreign Key
Second Normal Form
48. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.
Select
Numeric Data Type
Compound Key
Check Box
49. A query that removes records which match the criteria you specify from one or more tables
Expression Builder
Delete Query
Transitive Dependency
Trigger
50. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.
Functional Dependency
Query
View
Make Table Query