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Test your basic knowledge |
Database Management
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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 central repository for databases across an entire enterprise.
Text Box
Record
Tuple
Data Warehouse
2. 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
Group
Data Integrity Rules
Column Selector
Database Diagram
3. 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.
Metadata
Group
Cardinality
Append Query
4. A query that removes records which match the criteria you specify from one or more tables
Table Window
Delete Query
Alternate Key
Transaction
5. A database object that prints information formatted and organised according to your specifications.
Compound Key
Tuple
Report
Comparison Operator
6. Candidate key selected for use.
Primary Key
Expression Builder
Select Query
Data Integrity Rules
7. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.
Foreign Key
Row
Normalization
Query
8. 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
Group
Multi-valued Dependency
Compound Key
9. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)
Comparison Operator
Trigger
Data Sheet
Database Window
10. A type of computer file system that stores all data in a single file.
Flat File
Database Diagram
Form
E-R diagram
11. A question about the data stored in your tables - or a request to perform an action on the data. A query can bring together data from multiple tables to serve as the source of data for a form. report or data access page.
Append Query
First Normal Form
Query
Table Window
12. Dependency where determinant determines a list of values.
Multi-valued Dependency
Normalization
Currency Data Type
Data Warehouse
13. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.
Action Query
Database Management System (DBMS)
Delete Query
Determinant
14. 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
Make Table Query
Second Normal Form
Self-Join
15. 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
Tuple
E-R diagram
SQL
Boyce-Codd Normal Form
16. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.
Index
Self-Join
Data Manipulation Language
Database
17. 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.
Delete Query
SQL View
SQL
Boyce-Codd Normal Form
18. 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.
Action Query
Access
Transitive Dependency
View
19. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.
Self-Join
Database Object
Trigger
Boyce-Codd Normal Form
20. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.
SQL
E-R diagram
Key
Determinant
21. An MS Access tool that simplifies a task. For example - you can quickly create a complex expression with the Expression Builder.
Best Normal Form
Form
Compound Key
Expression Builder
22. A data type that is used for fields and calculations involving money
Relation
Fourth Normal Form
Criteria
Currency Data Type
23. Attribute that determines the value of another attribute.
Form
Determinant
First Normal Form
Primary Key
24. A way of looking at a database object - usually looking at the design or at the contents/results
Data Model
Boyce-Codd Normal Form
View
Relation
25. Table has no anomalies.
Data
Domain/Key Normal Form
E-R diagram
Database
26. 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
Group
Relational Database Model
Super key
Schema
27. 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.
Transaction
Default Value
One-To-One Relationship
Totals Query
28. 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.
Action Query
Metadata
Referential Integrity
Fourth Normal Form
29. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.
Column
Data Type
Relational Database Model
Transitive Dependency
30. A primary key that is comprised of more than one field.
Composite Key
Criteria
Recursive Dependency
Key
31. The conditional expession that is to be used to select particular data records from a larger set of records.
Record
Data Integrity Rules
Functional Dependency
Criteria
32. Functional dependency involving only non-key attributes.
Sort
Transitive Dependency
Transact
SQL
33. 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).
Data Type
Default Value
Select Query
E-R diagram
34. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.
Third Normal Form
Compound Key
Autonumber
Referential Integrity
35. 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
First Normal Form
Hierarchical Database
Autonumber
36. One (or more fields) in a table that refer to the primary key in another table.
Index
Functional Dependency
Foreign Key
Database Diagram
37. a.k.a record
Append Query
Data Mining
Alternate Key
Tuple
38. 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.
Database Window
Access
Referential Integrity Constraint
Key
39. The persons or things that a database table is about.
Record
Entities
Where clause
Transaction
40. To modify a database - or the files associated with the database.
Candidate Key
Boyce-Codd Normal Form
Entities
Transact
41. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.
Data Definiton Language
Fourth Normal Form
Third Normal Form
Best Normal Form
42. 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
Primary Key
Best Normal Form
Hierarchical Database
Determinant
43. A relation that contains no multivalued attributes.
First Normal Form
Second Normal Form
Data Integrity Rules
Super key
44. A field in a table with unique values that although it is not the primary key - it could have been used as such.
Third Normal Form
Alternate Key
Null
Secondary Key
45. Knowingly violates one or more rules of normalization.
Candidate Key
Database Management System (DBMS)
Form
Best Normal Form
46. 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.
Foreign Key
Functional Dependency
SQL
Transaction
47. 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.
Boyce-Codd Normal Form
Determinant
Data Sheet
Candidate Key
48. 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.
Fourth Normal Form
Calculated Field
Totals Query
Functional Dependency
49. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key
Fourth Normal Form
Second Normal Form
Best Normal Form
Data Manipulation Language
50. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.
Numeric Data Type
Many-to-many Relationship
Relational Database Model
SQL
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