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






2. Dependency where determinant determines a list of values.






3. 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.






4. Knowingly violates one or more rules of normalization.






5. Table has no anomalies.






6. 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






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






8. 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.






9. 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.






10. 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.






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






12. The program which is used to organize - access and manage the data in a database - Creates - processes - and administers databases.






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






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






15. 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.






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






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






18. No Transitive Dependencies.






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






20. Attribute that determines the value of another attribute.






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






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






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






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






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






26. a.k.a record






27. A relation that contains no multivalued attributes.






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






29. DOC MADE UP






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






31. 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.






32. Candidate key selected for use.






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






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






35. 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.






36. 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






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






38. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.






39. No partial functional-dependencies.






40. 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.






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






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






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






44. Data about data.






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






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






47. A value that is automatically entered in a field or control when you add a new record.






48. 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






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






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