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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. 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.
Record
Many-to-Many Relationships
Candidate Key
Functional Dependency
2. The actual pieces of facts that are stored in the fields in a database table.
Default Value
Table
Data
Currency Data Type
3. The program which is used to organize - access and manage the data in a database - Creates - processes - and administers databases.
Database Management System (DBMS)
Numeric Data Type
Database Object
Cardinality
4. No multiple multi-valued dependencies.
Expression Builder
Access 2007
Fourth Normal Form
Metadata
5. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.
Secondary Key
Attribute
Compound Key
Null
6. A type of computer file system that stores all data in a single file.
Best Normal Form
Table
Flat File
Delete Query
7. Attribute that determines the value of another attribute.
First Normal Form
Determinant
Comparison Operator
Report
8. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.
Key
Data Manipulation Language
Sort
Index
9. Stored procedures that may be configured to automatically execute (fire) when certain events take place.
Alternate Key
Trigger
Action Query
Design Vie
10. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.
Design Vie
Compound Key
Primary Key
Database Window
11. Dependency where determinant determines a list of values.
Column
Domain/Key Normal Form
Self-Join
Multi-valued Dependency
12. 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.
Criteria
Third Normal Form
Column Selector
Key
13. The conditional expession that is to be used to select particular data records from a larger set of records.
Default Value
Autonumber
Criteria
Foreign Key
14. A section of a record containing data relating to one single characteristic of an entity; also called an attribute
Database
Data Type
Data Sheet
Field
15. Knowing the value of one attribute you can determine the value of another attribute.
Fourth Normal Form
Triggers
Functional Dependency
Data Warehouse
16. An MS Access tool that simplifies a task. For example - you can quickly create a complex expression with the Expression Builder.
Second Normal Form
Expression Builder
Data Warehouse
Transact
17. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
Database
One-To-One Relationship
Determinant
Boyce-Codd Normal Form
18. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.
Referential Integrity
Database Object
Hierarchical Database
Database
19. 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
Transaction
Relation
Action Query
Hierarchical Database
20. 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.
Second Normal Form
One-To-One Relationship
Default Value
Field
21. Functional dependency involving only non-key attributes.
Column
Transitive Dependency
Make Table Query
SQL
22. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data
Foreign Key
Self-Join
Triggers
Data Model
23. All key attributes defined - attributes depend on key and no repeating groups.
Database
E-R diagram
Candidate Key
First Normal Form
24. A link between two or more tables.
Third Normal Form
Composite Key
Join
Comparison Operator
25. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Delete Query
Fourth Normal Form
Fourth Normal Form
Data Integrity Rules
26. One or more fields whose values uniquely identify each record in a table.
SQL
Append Query
Compound Key
Primary Key
27. 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.
Expression Builder
Compound Key
One-To-Many Relationship
Multi-valued Dependency
28. No partial functional-dependencies.
Compound Key
Second Normal Form
Action Query
Recursive Dependency
29. That structure which contains description of objects created by a user - such as base tables - views and constraints - as a part of a database.
Database
Schema
Data Definiton Language
Alternate Key
30. DOC MADE UP
Compound Key
Data Integrity Rules
Recursive Dependency
Second Normal Form
31. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.
Autonumber
Data Type
Field
Hierarchical Database
32. Groups of database commands which are to be treated as a single atomic event.
Data Warehouse
Database
Select
Transaction
33. All determinants are candidate keys.
Data Integrity Rules
Boyce-Codd Normal Form
Schema
Record
34. A way of looking at a database object - usually looking at the design or at the contents/results
Row
Database
View
Text Box
35. 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
Primary Key
Null
Delete Query
Super key
36. A collection of fields that together describe one entity.
Secondary Key
Record
Group
Totals Query
37. The part of an SQL statement that specifies which record to retrieve.
Delete Query
Data Manipulation Language
Where clause
Data Mining
38. A relation that contains no multivalued attributes.
Action Query
First Normal Form
Null
SQL View
39. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Criteria
Second Normal Form
Boyce-Codd Normal Form
Data Model
40. A field data type that automatically stores a unique number for each record as it is added to a table.
SQL View
Append Query
Autonumber
Flat File
41. The persons or things that a database table is about.
Calculated Field
Text Box
Entities
Column
42. A query that removes records which match the criteria you specify from one or more tables
Boyce-Codd Normal Form
Normalization
Secondary Key
Delete Query
43. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.
Primary Key
Object-Oriented Database
First Normal Form
Query
44. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses
Aggregate Function
Second Normal Form
Data Mining
Transaction
45. Data about data.
SQL View
Field
Fourth Normal Form
Metadata
46. A central repository for databases across an entire enterprise.
Database Window
Access
Data
Data Warehouse
47. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.
Delete Query
Relational Database Model
Make Table Query
Select
48. 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.
Self-Join
Referential Integrity
Access
Data Definiton Language
49. 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.
View
Hierarchical Database
One-To-One Relationship
SQL View
50. Relations which allow you to retrieve related records from the same table.
SQL View
Make Table Query
Self-Join
Triggers