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. Knowingly violates one or more rules of normalization.






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






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






4. No multiple multi-valued dependencies.






5. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.






6. A database object that stores data in records and fields. The data is usually about a particular category of things.






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






8. A collection of fields that together describe one entity.






9. 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.






10. 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.






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.






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






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






14. 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.






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






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






17. DOC MADE UP






18. Candidate key selected for use.






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






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






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






22. A function such as sum - count or average that you use to include summary data in a report.






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






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






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






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






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






28. 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.






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






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






31. Data from a table - form - query which is displayed in a row-and-column format.






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






33. All determinants are candidate keys.






34. 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.






35. A link between two or more tables.






36. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.






37. No partial functional-dependencies.






38. A field data type that automatically stores a unique number for each record as it is added to a table.






39. A relation that contains no multivalued attributes.






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






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






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






44. 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.






45. 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.






46. 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.






47. 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.






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






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






50. 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.