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. Dependency where determinant determines a list of values.






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






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






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






5. a.k.a record






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






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






8. 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.






9. DOC MADE UP






10. No multiple multi-valued dependencies.






11. 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.






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






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






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






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






16. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.






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






18. A link between two or more tables.






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






20. Knowingly violates one or more rules of normalization.






21. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.






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






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






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






25. 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






26. 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.






27. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.






28. 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.






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






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






31. 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






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






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






34. Functional dependency involving only non-key attributes.






35. 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.






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






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






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






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






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






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






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






43. 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.






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






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






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






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






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






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






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