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






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






3. A characteristic or property of an entity






4. An instruction by a user that directs a database to perform a certain way






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






6. A Characteristic or property of an entity






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






8. 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






9. When sorting on two fields - the less important field






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






11. The portion of the system catalog the contains column information






12. The SQL command that creates an index in a table






13. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups






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






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






16. A characteristic or property of an entity






17. The field on which data are sorted






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






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






20. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities






21. When comparing tables the set of all rows that are in the first table but that are not in the second table






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






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






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






25. A characteristic or property of an entity






26. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities






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






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






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






30. A word that is part of the SQL language






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






32. The prevention of unauthorized access to a database






33. A condition that involves only a single field and a single value






34. In relational algebra the operation in which two tables are connected on the basis of common data.






35. A collection of relations






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






37. A Characteristic or property of an entity






38. A query that deletes all records that satisfy some criterion






39. The part of an SQL SELECT command that restricts the groups to be displayed






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






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






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






43. An index built on more than one field






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






45. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups






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






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






48. The relational algebra command used to select columns from a table






49. The prevention of unauthorized access to a database






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