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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. All determinants are candidate keys.
Data Mining
Referential Integrity Constraint
Boyce-Codd Normal Form
Self-Join
2. 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.
Key
Totals Query
Many-to-many Relationship
Domain/Key Normal Form
3. The dominant database model
Numeric Data Type
Data Model
Relational Database Model
Compound Key
4. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.
Many-to-many Relationship
Composite Key
Key
Transaction
5. DOC MADE UP
Data Model
Select
Compound Key
Recursive Dependency
6. 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
Data Manipulation Language
Data Sheet
Default Value
7. Stored procedures that may be configured to automatically execute (fire) when certain events take place.
Trigger
Fourth Normal Form
Criteria
Aggregate Function
8. Attribute that determines the value of another attribute.
Foreign Key
Database
Attribute
Determinant
9. 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
Append Query
Transitive Dependency
Flat File
10. Knowing the value of one attribute you can determine the value of another attribute.
Where clause
Functional Dependency
Third Normal Form
Referential Integrity Constraint
11. 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
View
Data Warehouse
Data
Column Selector
12. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)
Comparison Operator
Expression Builder
Query
Select
13. Arrange the records in a view set in order according to a particular field
Sort
First Normal Form
Action Query
Database Diagram
14. A location within a database table that stores one particular type of data i.e. a field
Column
Data Manipulation Language
SQL View
Column Selector
15. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.
Report
Compound Key
Data
Best Normal Form
16. A database object on which you place controls for entering - displaying and editing records in a table.
Query
Compound Key
Form
Database Object
17. The program which is used to organize - access and manage the data in a database - Creates - processes - and administers databases.
Database Management System (DBMS)
Data Mining
First Normal Form
View
18. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.
Data Mining
Tuple
Fourth Normal Form
Default Value
19. One or more fields whose values uniquely identify each record in a table.
Column
Data Definiton Language
Data Model
Primary Key
20. No partial functional-dependencies.
Compound Key
Totals Query
Second Normal Form
Delete Query
21. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.
Action Query
Design Vie
Data Definiton Language
Many-to-Many Relationships
22. A graphical representation of all entity relationships (Data Model)
Make Table Query
Entity Relationship Diagram
Database Management System (DBMS)
Data Mining
23. A database object that stores data in records and fields. The data is usually about a particular category of things.
Second Normal Form
Table
Data Model
Transitive Dependency
24. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.
Access 2007
Metadata
Self-Join
Data Manipulation Language
25. A section of a record containing data relating to one single characteristic of an entity; also called an attribute
Data Manipulation Language
Access
Field
Make Table Query
26. Knowingly violates one or more rules of normalization.
Make Table Query
Comparison Operator
Best Normal Form
Trigger
27. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Relation
Database
Normalization
SQL
28. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.
Database
Currency Data Type
Data Sheet
Design Vie
29. A primary key that is comprised of more than one field.
Index
Composite Key
Data Type
Fourth Normal Form
30. A relation that contains no multivalued attributes.
First Normal Form
Data Model
Referential Integrity
Data Integrity Rules
31. A query that removes records which match the criteria you specify from one or more tables
Expression Builder
Delete Query
Select Query
SQL View
32. A value that is automatically entered in a field or control when you add a new record.
Default Value
Record
Database Object
Transact
33. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.
Boyce-Codd Normal Form
Database Object
Table Window
Text Box
34. A graphical representation of any portion of a database scheme.
Database Object
Database Diagram
Aggregate Function
Query
35. 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.
Fourth Normal Form
Currency Data Type
Join
Third Normal Form
36. 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
Calculated Field
Attribute
Select Query
37. 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.
Row
One-To-One Relationship
Many-to-Many Relationships
Data Model
38. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)
SQL
Numeric Data Type
Many-to-Many Relationships
Data Model
39. The part of an SQL statement that specifies which record to retrieve.
Where clause
Select Query
Select
SQL
40. 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.
Data Manipulation Language
Tuple
Access
Data Type
41. The conditional expession that is to be used to select particular data records from a larger set of records.
Criteria
Database
Access
Super key
42. The actual pieces of facts that are stored in the fields in a database table.
Table Window
Determinant
View
Data
43. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Sort
Second Normal Form
Select
Flat File
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
E-R diagram
Hierarchical Database
Index
Check Box
45. Relations which allow you to retrieve related records from the same table.
SQL
Triggers
Self-Join
Composite Key
46. 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
Table
Delete Query
Report
47. 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
E-R diagram
Hierarchical Database
Delete Query
Table
48. 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.
Database
Relation
View
E-R diagram
49. 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.
Second Normal Form
Column
Transaction
Secondary Key
50. A window that shows the design or structure of the database objects: tables - queries - forms - reports - macros and data access pages.
Multi-valued Dependency
Database Window
Referential Integrity Constraint
Design Vie