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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 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
Database
Null
Self-Join
2. 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.
Report
Tuple
Form
Referential Integrity Constraint
3. A relation that contains no multivalued attributes.
First Normal Form
Make Table Query
Entity Relationship Diagram
Access
4. One (or more fields) in a table that refer to the primary key in another table.
Foreign Key
Referential Integrity Constraint
Flat File
Select Query
5. Dependency where determinant determines a list of values.
Candidate Key
Cardinality
Fourth Normal Form
Multi-valued Dependency
6. 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 Query
Many-to-Many Relationships
Totals Query
Data Type
7. A graphical representation of any portion of a database scheme.
Database Diagram
Functional Dependency
Transitive Dependency
One-To-Many Relationship
8. A type of computer file system that stores all data in a single file.
Tuple
Data Manipulation Language
Flat File
SQL
9. An action query that adds the records in a query's result set to the end of an existing table.
Many-to-many Relationship
Select
Determinant
Append Query
10. A database object that stores data in records and fields. The data is usually about a particular category of things.
Table
Primary Key
First Normal Form
Criteria
11. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
SQL View
Super key
Referential Integrity Constraint
Boyce-Codd Normal Form
12. A data type that is used for fields and calculations involving money
Currency Data Type
Primary Key
Functional Dependency
Column Selector
13. A field in a table with unique values that although it is not the primary key - it could have been used as such.
Metadata
Access
Row
Alternate Key
14. This is a property of data which - when satisfied - requires every value of one field (attribute) of a table to exist as a value of another field in another related table.
Data Mining
Referential Integrity
Recursive Dependency
Data Type
15. Data from a table - form - query which is displayed in a row-and-column format.
Record
Select
Report
Data Sheet
16. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database
Data Manipulation Language
First Normal Form
Group
Best Normal Form
17. A characteristic of the items in a database i.e. a field
Attribute
Foreign Key
Boyce-Codd Normal Form
Column Selector
18. Arrange the records in a view set in order according to a particular field
Third Normal Form
Flat File
Sort
Transitive Dependency
19. The part of an SQL statement that specifies which record to retrieve.
Autonumber
Action Query
Where clause
E-R diagram
20. Stored procedures that may be configured to automatically execute (fire) when certain events take place.
Action Query
Null
Many-to-Many Relationships
Trigger
21. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.
Transaction
Check Box
Data Integrity Rules
Access 2007
22. 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.
Sort
Calculated Field
Criteria
Database Object
23. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.
Database Object
Design Vie
Data Sheet
Data Definiton Language
24. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses
Data Mining
Attribute
Boyce-Codd Normal Form
Cardinality
25. A collection of fields that together describe one entity.
Record
Alternate Key
Text Box
Row
26. Data about data.
Metadata
Entity Relationship Diagram
Triggers
Data Warehouse
27. To modify a database - or the files associated with the database.
Boyce-Codd Normal Form
Trigger
Select Query
Transact
28. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Hierarchical Database
One-To-One Relationship
Data Integrity Rules
Criteria
29. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.
Many-to-Many Relationships
Third Normal Form
Calculated Field
Form
30. A link between two or more tables.
Join
Referential Integrity Constraint
Database
Object-Oriented Database
31. 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
Data Sheet
Candidate Key
Super key
Form
32. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Normalization
Best Normal Form
Where clause
Schema
33. A section of a record containing data relating to one single characteristic of an entity; also called an attribute
Boyce-Codd Normal Form
Field
Candidate Key
Schema
34. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.
Table
Fourth Normal Form
Currency Data Type
Data Type
35. Knowingly violates one or more rules of normalization.
E-R diagram
Report
Best Normal Form
Flat File
36. 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
First Normal Form
Report
Data Manipulation Language
37. 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 Window
Self-Join
Comparison Operator
Triggers
38. A way of looking at a database object - usually looking at the design or at the contents/results
Record
Tuple
Null
View
39. The dominant database model
Relational Database Model
Normalization
First Normal Form
Database
40. A query that removes records which match the criteria you specify from one or more tables
Numeric Data Type
Delete Query
Super key
Composite Key
41. That structure which contains description of objects created by a user - such as base tables - views and constraints - as a part of a database.
Schema
Tuple
Primary Key
Third Normal Form
42. Functional dependency involving only non-key attributes.
Column Selector
Currency Data Type
Transitive Dependency
Domain/Key Normal Form
43. Relations which allow you to retrieve related records from the same table.
Self-Join
Totals Query
Database
E-R diagram
44. Groups of database commands which are to be treated as a single atomic event.
Transitive Dependency
Data Sheet
Transaction
Design Vie
45. 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.
Secondary Key
Composite Key
Tuple
Compound Key
46. A field data type that automatically stores a unique number for each record as it is added to a table.
Comparison Operator
Autonumber
Alternate Key
Second Normal Form
47. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.
Data Mining
Compound Key
Schema
Database
48. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
Compound Key
Numeric Data Type
Super key
Data
49. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.
Access
Action Query
Secondary Key
Second Normal Form
50. Table has no anomalies.
Entities
One-To-One Relationship
Domain/Key Normal Form
Select Query