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






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






3. 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






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






5. 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.






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






7. 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).






8. Refers to the number of associations that can exist between two record types.






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






10. The dominant database model






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






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






13. A field in a table with unique values that although it is not the primary key - it could have been used as such.






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






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






16. 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.






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






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






19. No multiple multi-valued dependencies.






20. A relation that contains no multivalued attributes.






21. a.k.a record






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






23. 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.






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






25. Candidate key selected for use.






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






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






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






29. 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






30. 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.






31. Data about data.






32. No partial functional-dependencies.






33. 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.






34. 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.






35. All determinants are candidate keys.






36. A link between two or more tables.






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






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






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






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






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






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






43. 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.






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






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






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






47. DOC MADE UP






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






49. In an access databse - a window in which you work with tables in design view or datasheet view.






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