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. 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.






2. A relation that contains no multivalued attributes.






3. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.






4. Dependency where determinant determines a list of values.






5. The actual pieces of facts that are stored in the fields in a database table.






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






7. 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.






8. 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.






9. A type of computer file system that stores all data in a single file.






10. To modify a database - or the files associated with the database.






11. Data about data.






12. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.






13. 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).






14. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.






15. A way of looking at a database object - usually looking at the design or at the contents/results






16. That structure which contains description of objects created by a user - such as base tables - views and constraints - as a part of a database.






17. Attribute that determines the value of another attribute.






18. No partial functional-dependencies.






19. A window that shows the design or structure of the database objects: tables - queries - forms - reports - macros and data access pages.






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






21. 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.






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






23. Stored procedures that may be configured to automatically execute (fire) when certain events take place.






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






25. A query that removes records which match the criteria you specify from one or more tables






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






27. The persons or things that a database table is about.






28. 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.






29. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)






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






31. 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.






32. 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.






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






34. A record as seen in the data sheet view.






35. 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.






36. 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.






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






38. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.






39. Arrange the records in a view set in order according to a particular field






40. 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






41. Knowing the value of one attribute you can determine the value of another attribute.






42. All key attributes defined - attributes depend on key and no repeating groups.






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






44. One or more fields whose values uniquely identify each record in a table.






45. A central repository for databases across an entire enterprise.






46. A graphical representation of all entity relationships (Data Model)






47. 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.






48. 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.






49. A graphical representation of any portion of a database scheme.






50. 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