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






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






3. 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.






4. 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.






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






6. 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 of one and only one record in the related table.






7. 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






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






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






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






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






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






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






14. 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.






15. Dependency where determinant determines a list of values.






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






17. 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.






18. 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.






19. 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.






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






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






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






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






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






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






26. 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.






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






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






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






30. 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.






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






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






33. 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.






34. The dominant database model






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






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






37. 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.






38. A Key composed of more than one attribute.






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






40. Data about data.






41. 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.






42. No partial functional-dependencies.






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






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






45. 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






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






47. No Transitive Dependencies.






48. Table has no anomalies.






49. 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






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