Test your basic knowledge |

Database Fundamentals

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. The process of determining the content and structure of data in a database in order to support some activity on behalf of a user or group of users






2. An access query that creates a table using the results of a query






3. The property that lets you change the structure of a database without requiring you to change the programs that access the database






4. A very popular relational data definition and manipulation language that is used in many relational DBMS's






5. The property that lets you change the structure of a database without requiring you to change the programs that access the database






6. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate






7. A rule in Access that data entered in a field must satisfy






8. An index built on more than one field






9. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column






10. Duplication of data or the storing of the same data in more than one place.






11. The process of creating collections of records that share some common characteristics






12. An action that automatically occurs in response to an associated database operation such as INSERT or UPDATE or DELETE






13. The individual or group that is responsible for a database






14. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate






15. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column






16. More than one entry at a single location in a table






17. In an Access query the line drawn between tables to indicate how they are related






18. The process of arranging rows in a table or results of a query in a particular order






19. A statement the can be either true or false. Also called a condition






20. The table obtained by concatenating every row in the first table with every row in the second table






21. A program or a collection of programs through which users interact with a database






22. A question the answer to which is found in the database






23. Combination of criteria in which both criteria must be true






24. A screen object you use to maintain or view and print data from a database






25. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column






26. A collection of relations






27. The relational algebra command for performing the intersection of two tables






28. A question the answer to which is found in the database






29. A view that consists of a subset of the rows and columns in a table






30. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on






31. A field whose value is computed from other fields in the database






32. When sorting on two fields this is the more important field






33. A characteristic or property of an entity






34. The most common form of a join






35. The form of a join in which all records appear - even if they don't match






36. A minimal collection of columns (attributes) in a table on which all columns are functionally dependent and that is chosen as the main direct-access vehicle to individual rows.






37. A file that relates key values to records that contain those key values






38. More than one entry at a single location in a table






39. The SQL clause that is used in a CREATE TABLE or ALTER TABLE command to set a table's primary key field(s)






40. A file used to store data about a single entity. Such a file can be thought of as a table.






41. A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate






42. A file containing a collection of compiled and optimized SQL statements that are available for future use






43. A database has integrity if the data in it satisfies all established integrity constraints






44. A field whose value is computed from other fields in the database






45. The field on which data are sorted






46. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on






47. A rule that must be followed by data in a database






48. A program or a collection of programs through which users interact with a database






49. A field whose value is computed from other fields in the database






50. The SQL command used to make changes to existing table data