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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
Hierarchical Database
Join
Super key
Candidate Key
2. Data from a table - form - query which is displayed in a row-and-column format.
Access
Self-Join
Access 2007
Data Sheet
3. 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.
Relation
View
Text Box
Referential Integrity
4. A section of a record containing data relating to one single characteristic of an entity; also called an attribute
Data Definiton Language
E-R diagram
Field
Numeric Data Type
5. Candidate key selected for use.
Primary Key
Flat File
Database
SQL
6. To modify a database - or the files associated with the database.
Candidate Key
Transact
Relational Database Model
Data Type
7. A graphical representation of entities and their relationship to each other - typically used in computing in regard to the organization of data within databases or information systems
Currency Data Type
Column
Trigger
E-R diagram
8. 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
Column Selector
Null
Calculated Field
9. Groups of database commands which are to be treated as a single atomic event.
Transaction
Column
Transact
Multi-valued Dependency
10. 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.
Third Normal Form
Aggregate Function
Fourth Normal Form
Report
11. a.k.a record
Secondary Key
SQL
Tuple
SQL
12. A field data type that automatically stores a unique number for each record as it is added to a table.
Column
Data Manipulation Language
Autonumber
Design Vie
13. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.
Hierarchical Database
Compound Key
Check Box
Attribute
14. A value that is automatically entered in a field or control when you add a new record.
Flat File
Field
Default Value
Primary Key
15. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Candidate Key
First Normal Form
Schema
Normalization
16. No Transitive Dependencies.
Third Normal Form
Normalization
Calculated Field
Super key
17. Arrange the records in a view set in order according to a particular field
Second Normal Form
Foreign Key
Sort
Tuple
18. A relation that contains no multivalued attributes.
Boyce-Codd Normal Form
Recursive Dependency
First Normal Form
Autonumber
19. One (or more fields) in a table that refer to the primary key in another table.
Foreign Key
Referential Integrity
Fourth Normal Form
Normalization
20. A data type that is used for fields and calculations involving money
Database
Primary Key
Select
Currency Data Type
21. A query that displays a summary calculation - such as an average or a sum - for values in a table or tables. A totals query is not a seperate kind of query; rather it extends the flexibility of select queries.
Functional Dependency
Boyce-Codd Normal Form
Numeric Data Type
Totals Query
22. Attribute that determines the value of another attribute.
Access
Transact
Determinant
Relation
23. 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.
Database Management System (DBMS)
First Normal Form
Database Window
Fourth Normal Form
24. No partial functional-dependencies.
Entities
Attribute
Second Normal Form
Third Normal Form
25. A graphical representation of any portion of a database scheme.
Database Window
Data Integrity Rules
Table Window
Database Diagram
26. 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
Database
Table
Entities
One-To-Many Relationship
27. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)
SQL
Criteria
SQL View
Boyce-Codd Normal Form
28. 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.
Third Normal Form
Functional Dependency
Data
Group
29. A referential integrity constraint is a statement that limits the values of the foreign key to those already existing as primary key values in the corresponding table.
View
Column
Referential Integrity Constraint
Third Normal Form
30. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.
Sort
Schema
Make Table Query
Report
31. A window that shows the design or structure of the database objects: tables - queries - forms - reports - macros and data access pages.
Many-to-Many Relationships
Normalization
Transitive Dependency
Design Vie
32. A primary key that is comprised of more than one field.
Transaction
Normalization
Alternate Key
Composite Key
33. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.
Database Diagram
Many-to-Many Relationships
Delete Query
Calculated Field
34. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data
Cardinality
Trigger
Determinant
Triggers
35. 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.
Check Box
Query
Field
Data Manipulation Language
36. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.
Data Type
Trigger
Super key
Fourth Normal Form
37. A record as seen in the data sheet view.
Row
Append Query
Check Box
Criteria
38. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.
Relational Database Model
Boyce-Codd Normal Form
Functional Dependency
Database Object
39. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Third Normal Form
Where clause
Second Normal Form
Fourth Normal Form
40. A candidate key that coud have been the primary key but was not selected as such ; OR a field that is not the primary key but has been used for indexing nevertheless.
Best Normal Form
Normalization
Compound Key
Secondary Key
41. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
Numeric Data Type
Determinant
Data Manipulation Language
Data Mining
42. An action query that adds the records in a query's result set to the end of an existing table.
Design Vie
Second Normal Form
Report
Append Query
43. A location within a database table that stores one particular type of data i.e. a field
Access
Column
Second Normal Form
Key
44. 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
Transitive Dependency
Domain/Key Normal Form
Column Selector
Select
45. The persons or things that a database table is about.
Entities
First Normal Form
Primary Key
Autonumber
46. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.
Action Query
Object-Oriented Database
Metadata
One-To-Many Relationship
47. A collection of fields that together describe one entity.
Delete Query
Select Query
Record
Autonumber
48. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.
Access 2007
Select
Record
Determinant
49. 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.
Calculated Field
Data Manipulation Language
Currency Data Type
Transaction
50. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.
Data Definiton Language
Functional Dependency
Third Normal Form
One-To-One Relationship