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






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






3. A link between two or more tables.






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






5. 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.






6. 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






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






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






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. A field - set up in a query - that displays the result of an evaluated expression rather than displaying stored data.The value of the calculated field is re-calculated each time a value in the expression changes.






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






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






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






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






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






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






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






19. 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.






20. 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.






21. 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.






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






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






24. 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.






25. 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






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






27. 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






28. a.k.a record






29. 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






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






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






32. 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.






33. Attribute that determines the value of another attribute.






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






35. 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.






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






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






38. A table which is not only in 2NF but whose non-primary key fields are dependent only on the primary key and therefore have no dependence on (relationship to) any other non-primary key field in the table.






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






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






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






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






43. Functional dependency involving only non-key attributes.






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






45. 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.






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






47. 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.






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






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






50. Table has no anomalies.