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 data type that is used for fields and calculations involving money






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






3. Knowingly violates one or more rules of normalization.






4. All determinants are candidate keys.






5. Data about data.






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






7. 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.






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






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






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






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






12. a.k.a record






13. 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






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






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






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






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






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






19. 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






20. 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.






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






22. The dominant database model






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






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






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






26. 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.






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






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






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






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






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






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






33. 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.






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






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






36. 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.






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






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






39. 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).






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






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






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






43. 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






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






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






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






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






48. No partial functional-dependencies.






49. 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.






50. 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