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 prevention of unauthorized access to a database






2. A characteristic or property of an entity






3. 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






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






5. The individual who is responsible for a database or the head of database administration






6. In Access the query that updates the contents of a table






7. An access tool that provides documentation about the objects in a database






8. 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.






9. A collection of relations






10. The relational algebra command to select rows from a table






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






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






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






14. The individual who is responsible for a database or the head of database administration






15. The SQL clause that is used to enforce legal-values integrity






16. A data value meaning "unknown" or "not applicable"






17. A data manipulation language for relational databases in which users indicate the action to be taken by completing on-screen forms






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






19. A Characteristic or property of an entity






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






21. A relationship between two entities in which each occurrence of the first entity is related to many occurrences of the second entity and each occurrence of the second entity is related to or at most one occurrence of the first entity






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






23. A column (attribute) or collection of columns in a table whose value is required either to match the value of a primary key in a table or to be null






24. Two simple criteria in a query the are combined with the AND or OR operators






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






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






27. A message in Access that is displayed when a validation rule is violated






28. The SQL command used to describe the layout of a table. The word table is followed by the name of the table to be created and then by the names and data types of the column (fields) that comprise the table






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






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






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






32. 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






33. A relational data manipulation language in which new tables are created from existing tables through the use of a set of operations






34. The most common form of a join






35. The field on which data are sorted






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






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






38. The plural of Criterion






39. In Access the query that updates the contents of a table






40. The SQL command that is used to change the structure of a table






41. The portion of the system catalog that contains view information






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






43. An index built on a single field






44. The query that is used to define the structure of a viewk






45. A characteristic or property of an entity






46. The SQL statement that is used to revoke privileges from users of a database






47. The portion of the system catalog that contains table information






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






49. A two-dimensional table-style collection of data in which all entries are single-valued - each column has a distinct name and all the values in a column are values of the attribute that is identified by the column name - and the order of the columns






50. The SQL command used to add new data to a table