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. 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.






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






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






4. 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






5. The dominant database model






6. 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).






7. 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.






8. 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.






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






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






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






12. No multiple multi-valued dependencies.






13. Data about data.






14. 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.






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






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






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






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






19. 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.






20. A Key composed of more than one attribute.






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






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






23. 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.






24. The persons or things that a database table is about.






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






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






27. No partial functional-dependencies.






28. Functional dependency involving only non-key attributes.






29. a.k.a record






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






31. The conditional expession that is to be used to select particular data records from a larger set of records.






32. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)






33. A link between two or more tables.






34. All key attributes defined - attributes depend on key and no repeating groups.






35. Knowingly violates one or more rules of normalization.






36. 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.






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






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






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






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






41. Candidate key selected for use.






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






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






44. No Transitive Dependencies.






45. 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






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






47. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key






48. All determinants are candidate keys.






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






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