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 collection of fields that together describe one entity.






2. 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).






3. 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.






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






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






6. 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.






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






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






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






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






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






13. The dominant database model






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






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






16. All key attributes defined - attributes depend on key and no repeating groups.






17. 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.






18. A record as seen in the data sheet view.






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






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






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






22. Groups of database commands which are to be treated as a single atomic event.






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






24. A database object on which you place controls for entering - displaying and editing records in a 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.k.a record






27. A link between two or more tables.






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






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






31. 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.






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






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






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






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






36. The part of an SQL statement that specifies which record to retrieve.






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






38. 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.






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






40. 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.






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






42. DOC MADE UP






43. 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.






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






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






46. 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.






47. 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






48. No Transitive Dependencies.






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






50. 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.