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






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






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






4. A Key composed of more than one attribute.






5. Knowingly violates one or more rules of normalization.






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






7. A central repository for databases across an entire enterprise.






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






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






10. Table has no anomalies.






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






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






13. 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.






14. 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






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






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






17. 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.






18. 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.






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






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






21. One (or more fields) in a table that refer to the primary key in another table.






22. Functional dependency involving only non-key attributes.






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






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






25. 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.






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






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






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






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






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






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






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






35. 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.






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






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






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






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






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






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






42. An action query that adds the records in a query's result set to the end of an existing table.






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






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






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






46. 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.






47. 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






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






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






50. All determinants are candidate keys.