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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 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.
Transitive Dependency
Secondary Key
Currency Data Type
Metadata
2. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)
Null
Domain/Key Normal Form
SQL
Many-to-Many Relationships
3. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.
Select
First Normal Form
Primary Key
Composite Key
4. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
Boyce-Codd Normal Form
Delete Query
Null
Primary Key
5. 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.
Join
Calculated Field
Table
Transaction
6. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.
Composite Key
Database Window
Report
Database
7. 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.
Primary Key
Group
Data
Currency Data Type
8. No multiple multi-valued dependencies.
Fourth Normal Form
Super key
Record
One-To-Many Relationship
9. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses
Data Mining
Where clause
Totals Query
Aggregate Function
10. A database object that stores data in records and fields. The data is usually about a particular category of things.
Third Normal Form
Table
Normalization
Recursive Dependency
11. Knowingly violates one or more rules of normalization.
Best Normal Form
Fourth Normal Form
Boyce-Codd Normal Form
Primary Key
12. A record as seen in the data sheet view.
Second Normal Form
SQL View
Row
Alternate Key
13. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.
Design Vie
Many-to-Many Relationships
First Normal Form
Object-Oriented Database
14. A graphical representation of any portion of a database scheme.
Relational Database Model
Database Diagram
Hierarchical Database
Secondary Key
15. The dominant database model
Group
Transact
Multi-valued Dependency
Relational Database Model
16. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)
Tuple
Numeric Data Type
Select Query
Comparison Operator
17. A primary key that is comprised of more than one field.
Third Normal Form
Select Query
Composite Key
Multi-valued Dependency
18. Groups of database commands which are to be treated as a single atomic event.
Relational Database Model
Functional Dependency
Transaction
Null
19. 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.
One-To-Many Relationship
Object-Oriented Database
Fourth Normal Form
Composite Key
20. 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
Normalization
Hierarchical Database
Check Box
21. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.
Object-Oriented Database
Select Query
Null
SQL
22. 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.
SQL
Index
Currency Data Type
Data Warehouse
23. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.
Functional Dependency
Composite Key
Fourth Normal Form
Form
24. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Normalization
Super key
Make Table Query
Expression Builder
25. A database object that prints information formatted and organised according to your specifications.
Select
Access 2007
Report
Data Integrity Rules
26. To modify a database - or the files associated with the database.
First Normal Form
Transact
Boyce-Codd Normal Form
Normalization
27. 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
Column
Metadata
Super key
View
28. An action query that adds the records in a query's result set to the end of an existing table.
Boyce-Codd Normal Form
Third Normal Form
Append Query
Second Normal Form
29. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Foreign Key
Data Integrity Rules
Schema
Append Query
30. 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.
One-To-One Relationship
Key
Join
Data
31. The part of an SQL statement that specifies which record to retrieve.
Super key
Database
Trigger
Where clause
32. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.
Best Normal Form
Field
Table Window
Null
33. A database computer language designed for the retrieval and management of data in relational database management systems (RDBMS) - database schema creation and modification - and database object access control management.
SQL
Check Box
Totals Query
Flat File
34. A window that shows the design or structure of the database objects: tables - queries - forms - reports - macros and data access pages.
Default Value
Transitive Dependency
Design Vie
Boyce-Codd Normal Form
35. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.
Many-to-Many Relationships
Autonumber
Data Warehouse
Access 2007
36. 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
Domain/Key Normal Form
Determinant
Hierarchical Database
Field
37. Attribute that determines the value of another attribute.
Determinant
Attribute
Relational Database Model
Database Window
38. In an access databse - a window in which you work with tables in design view or datasheet view.
Database Diagram
Database Management System (DBMS)
Table Window
Column Selector
39. Knowing the value of one attribute you can determine the value of another attribute.
Third Normal Form
Functional Dependency
Many-to-many Relationship
Normalization
40. A central repository for databases across an entire enterprise.
Data Warehouse
Query
Where clause
Trigger
41. Data about data.
Compound Key
Metadata
Relation
Select Query
42. 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.
Key
Index
Calculated Field
Text Box
43. Stored procedures that may be configured to automatically execute (fire) when certain events take place.
Trigger
Data
Database
SQL
44. 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
Key
Form
E-R diagram
Many-to-many Relationship
45. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.
Table Window
Check Box
Data Model
Relational Database Model
46. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Second Normal Form
Database
Form
Entities
47. A data type that is used for fields and calculations involving money
Query
Hierarchical Database
Multi-valued Dependency
Currency Data Type
48. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.
Alternate Key
Trigger
Compound Key
Many-to-many Relationship
49. 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.
Secondary Key
Schema
Access
One-To-Many Relationship
50. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.
Hierarchical Database
Select Query
Action Query
Data Mining