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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. Data from a table - form - query which is displayed in a row-and-column format.
Data
Data Sheet
Delete Query
SQL
2. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data
Criteria
Multi-valued Dependency
Flat File
Triggers
3. 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.
Make Table Query
Relational Database Model
Referential Integrity Constraint
E-R diagram
4. 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.
Index
Foreign Key
One-To-Many Relationship
Transitive Dependency
5. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database
Data Warehouse
Entities
Data Manipulation Language
Compound Key
6. 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.
Transact
Tuple
Compound Key
One-To-One Relationship
7. 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
First Normal Form
Action Query
Expression Builder
8. A graphical representation of all entity relationships (Data Model)
Composite Key
Report
Normalization
Entity Relationship Diagram
9. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.
E-R diagram
Foreign Key
Database Object
Primary Key
10. A location within a database table that stores one particular type of data i.e. a field
Column
SQL
Record
Database
11. The program which is used to organize - access and manage the data in a database - Creates - processes - and administers databases.
Primary Key
Primary Key
Database Management System (DBMS)
One-To-One Relationship
12. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.
E-R diagram
Many-to-Many Relationships
Index
SQL View
13. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.
Select
Super key
First Normal Form
Secondary Key
14. 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.
Totals Query
Expression Builder
Hierarchical Database
Database Window
15. Dependency where determinant determines a list of values.
Multi-valued Dependency
Normalization
View
Third Normal Form
16. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Calculated Field
Data Integrity Rules
Second Normal Form
Data Model
17. 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.
Referential Integrity Constraint
Candidate Key
Second Normal Form
Tuple
18. 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.
Query
Default Value
Select
Triggers
19. 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.
Column
Flat File
Primary Key
Secondary Key
20. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.
Data Type
Object-Oriented Database
Default Value
Alternate Key
21. A function such as sum - count or average that you use to include summary data in a report.
Select Query
Many-to-many Relationship
Trigger
Aggregate Function
22. Refers to the number of associations that can exist between two record types.
Referential Integrity Constraint
Data Integrity Rules
Best Normal Form
Cardinality
23. A graphical representation of any portion of a database scheme.
Delete Query
Database Diagram
One-To-Many Relationship
Table Window
24. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
One-To-One Relationship
Data Integrity Rules
Data Mining
Numeric Data Type
25. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.
Table Window
Action Query
Triggers
Entities
26. 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
Second Normal Form
Entity Relationship Diagram
Record
27. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.
Relation
Recursive Dependency
Currency Data Type
Fourth Normal Form
28. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.
Primary Key
Access 2007
Data Mining
Null
29. Knowing the value of one attribute you can determine the value of another attribute.
Delete Query
Domain/Key Normal Form
Transaction
Functional Dependency
30. 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.
Transitive Dependency
Totals Query
Second Normal Form
Fourth Normal Form
31. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses
Data Mining
Determinant
Autonumber
Referential Integrity Constraint
32. One or more fields whose values uniquely identify each record in a table.
Database
Database
SQL View
Primary Key
33. 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.
Index
Fourth Normal Form
One-To-Many Relationship
Data Model
34. The dominant database model
Relational Database Model
Entity Relationship Diagram
Data Definiton Language
Data Type
35. 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
Table
Data Manipulation Language
Database
36. A field in a table with unique values that although it is not the primary key - it could have been used as such.
Select Query
Data Warehouse
One-To-Many Relationship
Alternate Key
37. A window that displays the SQL statement for the current query or is used to create a SQL specific query. When you create a query in design view - Access constructs the SQL equivalent in the SQL view.
E-R diagram
SQL View
Criteria
Text Box
38. A Key composed of more than one attribute.
Action Query
Aggregate Function
Database
Compound Key
39. Arrange the records in a view set in order according to a particular field
First Normal Form
Schema
Sort
Append Query
40. Data about data.
Metadata
Determinant
Relation
Database
41. 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.
Select Query
One-To-Many Relationship
First Normal Form
Primary Key
42. No partial functional-dependencies.
Fourth Normal Form
Make Table Query
First Normal Form
Second Normal Form
43. The persons or things that a database table is about.
Table
Entities
Design Vie
Group
44. To modify a database - or the files associated with the database.
Transact
Null
Boyce-Codd Normal Form
Best Normal Form
45. A data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships: each parent can have many children - but each child has only one parent
Compound Key
Hierarchical Database
Boyce-Codd Normal Form
Candidate Key
46. Relations which allow you to retrieve related records from the same table.
Compound Key
Self-Join
One-To-One Relationship
Object-Oriented Database
47. No Transitive Dependencies.
Data Warehouse
Relational Database Model
Third Normal Form
Schema
48. Table has no anomalies.
Totals Query
Key
Domain/Key Normal Form
Third Normal Form
49. 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
Cardinality
Compound Key
Determinant
50. A database object on which you place controls for entering - displaying and editing records in a table.
Form
Object-Oriented Database
Boyce-Codd Normal Form
Database Diagram