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






2. A database computer language designed for the retrieval and management of data in relational database management systems (RDBMS) - database schema creation and modification - and database object access control management.






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






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






5. 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.






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






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






8. All determinants are candidate keys.






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






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






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






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






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






14. 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






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






16. 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






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






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






19. 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.






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






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






22. DOC MADE UP






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






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






25. A Key composed of more than one attribute.






26. 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.






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






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






29. 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).






30. A relation that contains no multivalued attributes.






31. 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.






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






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






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






35. 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.






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






37. Data about data.






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






39. 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.






40. Functional dependency involving only non-key attributes.






41. 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.






42. No multiple multi-valued dependencies.






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






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






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






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






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






48. Attribute that determines the value of another attribute.






49. 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.






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