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. No partial functional-dependencies.






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






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






4. Attribute that determines the value of another attribute.






5. 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.






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






7. Table has no anomalies.






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






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






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






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






12. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.






13. 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.






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






15. Candidate key selected for use.






16. 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.






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






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






19. 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.






20. Functional dependency involving only non-key attributes.






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






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






23. 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.






24. A Key composed of more than one attribute.






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






26. 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






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






28. 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.






29. A link between two or more tables.






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. DOC MADE UP






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






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






34. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.






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






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






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






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






39. 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






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






41. 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.






42. 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).






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






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






45. Two or more controls that can be treated as one unit while designing a form or report. You can select the group instead of selecting each individual control as you are arranging controls or assigning properties.






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






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






48. 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.






49. Knowingly violates one or more rules of normalization.






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