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






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






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






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






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






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






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. A collection of fields that together describe one entity.






9. 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.






10. No partial functional-dependencies.






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






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






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






14. 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.






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






16. 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.






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






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






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






20. Candidate key selected for use.






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






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






23. Functional dependency involving only non-key attributes.






24. DOC MADE UP






25. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.






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






27. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses






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






29. Attribute that determines the value of another attribute.






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






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






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






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






35. 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.






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






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






38. No Transitive Dependencies.






39. 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






40. No multiple multi-valued dependencies.






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






42. 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






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






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






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






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






47. 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






48. 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.






49. 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.






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