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. 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.






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






3. 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.






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






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






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






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






8. A value that is automatically entered in a field or control when you add a new record.






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






10. Candidate key selected for use.






11. 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.






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






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






14. No Transitive Dependencies.






15. 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






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






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






18. 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.






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






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






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






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






23. 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.






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






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






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






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






29. All determinants are candidate keys.






30. The dominant database model






31. Data about data.






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






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






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






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






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






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






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






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






40. 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.






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






42. 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.






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






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






45. 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.






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






47. A link between two or more tables.






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






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