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






2. A combination of criteria in which at least on the criteria must be true






3. What type of an operator is >= ?






4. 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






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






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






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






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






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. A characteristic or property of an entity






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






12. 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






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






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






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






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






17. An update option in which related records are automatically updated






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






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






20. The property that no record can exist in the database with a value in a field other than a legal value






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






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






24. When comparing tables an intersection is a new table containing all rows that are in both original tables






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






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






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






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






29. 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






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






31. A source of data - usually stored in hidden database tables - about the types of entities or attributes and relationships in a database






32. 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.






33. An association between entities






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






35. To indicate the table (relation) of which a given column (attribute) is a part by preceding the column name with the table name.






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






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






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






39. 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






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






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






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






43. A combination of two tables consisting of all records that are in either table






44. The part of an SQL SELECT command that indicates the columns to be included in the query results






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






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






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






48. 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






49. The relational algebra command for performing the difference of two tables






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