Test your basic knowledge |

Database Management

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. Candidate key selected for use.






2. A location within a database table that stores one particular type of data i.e. a field






3. A primary key that is comprised of more than one field.






4. Relations which allow you to retrieve related records from the same table.






5. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.






6. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data






7. A relation that contains no multivalued attributes.






8. A section of a record containing data relating to one single characteristic of an entity; also called an attribute






9. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database






10. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.






11. 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.






12. A data type that is used for fields and calculations involving money






13. A control - also called an edit field - used on a form - report or data access page to display text or accept data entry.It can have a label attached to it.






14. 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.






15. A database object on which you place controls for entering - displaying and editing records in a table.






16. Knowingly violates one or more rules of normalization.






17. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.






18. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.






19. 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.






20. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies






21. An MS Access tool that simplifies a task. For example - you can quickly create a complex expression with the Expression Builder.






22. 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.






23. A link between two or more tables.






24. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.






25. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key






26. 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.






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 of one and only one record in the related table.






28. 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.






29. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.






30. One (or more fields) in a table that refer to the primary key in another table.






31. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.






32. Data about data.






33. Attribute that determines the value of another attribute.






34. 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.






35. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.






36. a.k.a record






37. The part of an SQL statement that specifies which record to retrieve.






38. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.






39. An action query that adds the records in a query's result set to the end of an existing table.






40. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)






41. 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.






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.






43. The conditional expession that is to be used to select particular data records from a larger set of records.






44. Dependency where determinant determines a list of values.






45. 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






46. A field in a table with unique values that although it is not the primary key - it could have been used as such.






47. 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.






48. A database object that prints information formatted and organised according to your specifications.






49. No partial functional-dependencies.






50. 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