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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. 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.
Row
One-To-Many Relationship
Boyce-Codd Normal Form
Primary Key
2. Knowing the value of one attribute you can determine the value of another attribute.
Functional Dependency
Criteria
Null
Comparison Operator
3. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database
Table
Data Manipulation Language
Delete Query
Sort
4. 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.
Data Definiton Language
Schema
Criteria
Secondary Key
5. The actual pieces of facts that are stored in the fields in a database table.
SQL
Data Model
Data
Null
6. Dependency where determinant determines a list of values.
Multi-valued Dependency
Currency Data Type
Candidate Key
Best Normal Form
7. Knowingly violates one or more rules of normalization.
Domain/Key Normal Form
Best Normal Form
Field
Super key
8. A query that removes records which match the criteria you specify from one or more tables
Group
Delete Query
Data Integrity Rules
First Normal Form
9. An action query that adds the records in a query's result set to the end of an existing table.
Data Warehouse
Relation
Totals Query
Append Query
10. A data type that is used for fields and calculations involving money
Delete Query
Currency Data Type
SQL
Alternate Key
11. One or more fields whose values uniquely identify each record in a table.
Determinant
Form
Primary Key
One-To-One Relationship
12. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.
Secondary Key
Table
Tuple
Key
13. 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.
Relation
Fourth Normal Form
Totals Query
Referential Integrity
14. Functional dependency involving only non-key attributes.
Null
Determinant
Hierarchical Database
Transitive Dependency
15. Stored procedures that may be configured to automatically execute (fire) when certain events take place.
Referential Integrity Constraint
Third Normal Form
Third Normal Form
Trigger
16. The dominant database model
First Normal Form
Relational Database Model
Tuple
Primary Key
17. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)
Comparison Operator
Form
Domain/Key Normal Form
Report
18. 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.
Compound Key
Third Normal Form
Select Query
Normalization
19. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.
Report
Database Object
Make Table Query
Primary Key
20. 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
Many-to-many Relationship
Record
Database Diagram
21. Data about data.
Where clause
Autonumber
Data Mining
Metadata
22. 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
Transaction
Compound Key
Query
Super key
23. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Fourth Normal Form
Normalization
Best Normal Form
Form
24. A central repository for databases across an entire enterprise.
Transact
Key
Data Warehouse
Domain/Key Normal Form
25. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.
Null
Access 2007
Entities
Criteria
26. A location within a database table that stores one particular type of data i.e. a field
Database
Tuple
Column
Index
27. A graphical representation of all entity relationships (Data Model)
Boyce-Codd Normal Form
Entity Relationship Diagram
Totals Query
Best Normal Form
28. 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
Transact
SQL View
Self-Join
29. A field in a table with unique values that although it is not the primary key - it could have been used as such.
Query
Database Management System (DBMS)
Alternate Key
Boyce-Codd Normal Form
30. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.
Make Table Query
SQL
Entities
Many-to-many Relationship
31. No Transitive Dependencies.
Recursive Dependency
SQL
Null
Third Normal Form
32. 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
Tuple
Secondary Key
Schema
33. 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.
Candidate Key
One-To-One Relationship
Attribute
Database Window
34. An MS Access tool that simplifies a task. For example - you can quickly create a complex expression with the Expression Builder.
Expression Builder
Transaction
Tuple
Boyce-Codd Normal Form
35. DOC MADE UP
Entity Relationship Diagram
Recursive Dependency
Make Table Query
Compound Key
36. 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.
Column Selector
Data Model
Text Box
Key
37. All key attributes defined - attributes depend on key and no repeating groups.
Table Window
First Normal Form
Object-Oriented Database
SQL
38. All determinants are candidate keys.
Transitive Dependency
Boyce-Codd Normal Form
Alternate Key
Self-Join
39. A Key composed of more than one attribute.
Data Integrity Rules
Candidate Key
Data
Compound Key
40. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies
Aggregate Function
Relational Database Model
Many-to-Many Relationships
Boyce-Codd Normal Form
41. 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.
Secondary Key
Calculated Field
Data Definiton Language
Design Vie
42. 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 View
SQL
Transact
Second Normal Form
43. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.
Aggregate Function
Primary Key
Group
Data Integrity Rules
44. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data
Data Integrity Rules
Design Vie
Index
Triggers
45. 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
Column Selector
Functional Dependency
Data Sheet
46. Arrange the records in a view set in order according to a particular field
Database Management System (DBMS)
Foreign Key
Default Value
Sort
47. A field data type that automatically stores a unique number for each record as it is added to a table.
Autonumber
Criteria
Default Value
Entities
48. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.
Relation
Data Manipulation Language
Select
Second Normal Form
49. Candidate key selected for use.
Primary Key
Trigger
Group
Select
50. The persons or things that a database table is about.
Data Model
Entities
Select
Column Selector