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. All determinants are candidate keys.






2. 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.






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






4. 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.






5. 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






6. a.k.a record






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






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






9. 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.






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






11. No multiple multi-valued dependencies.






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






13. 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.






14. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.






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






16. 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.






17. 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).






18. The dominant database model






19. Attribute that determines the value of another attribute.






20. A link between two or more tables.






21. Functional dependency involving only non-key attributes.






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






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






24. 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






25. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.






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






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






28. 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.






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






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






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. DOC MADE UP






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






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






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






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






37. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.






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






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






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






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






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






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






44. Knowingly violates one or more rules of normalization.






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






46. Refers to the number of associations that can exist between two record types.






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






48. 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.






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






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