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. No Transitive Dependencies.






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






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






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






5. 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.






6. Groups of database commands which are to be treated as a single atomic event.






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






8. No partial functional-dependencies.






9. An organised pool of related data files which can be easily accessed and managed and that may be used by a number of different application programs






10. 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.






11. DOC MADE UP






12. 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






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






14. 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.






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






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






17. 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.






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






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






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






21. Knowingly violates one or more rules of normalization.






22. The dominant database model






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






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






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






26. 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.






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






28. Functional dependency involving only non-key attributes.






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






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






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






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






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






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






35. 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.






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






37. 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.






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






39. 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.






40. A characteristic of the items in a database i.e. a field






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






42. A relation that contains no multivalued attributes.






43. 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.






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






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






46. 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.






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






48. 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).






49. 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






50. All determinants are candidate keys.