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 computer that provides services to the clients in a client/server system






3. An application program's or an individual user's picture of a database






4. An index built on a single field






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






6. An index built on a single field






7. 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






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






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






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






11. The SQL command that drops (deletes) a table from a database






12. A Characteristic or property of an entity






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






14. An index built on more than one field






15. What type of an operator is >= ?






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






17. An association between entities






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






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






20. The most common form of a join






21. 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






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






23. The prevention of unauthorized access to a database






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






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






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






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






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






29. A characteristic or property of an entity






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






31. 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






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






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






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






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






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






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






38. Two tables are union compatible if they have the same number of fields and if their corresponding fields have identical data types






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






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






41. The rule that if table A contains a foreign key that matches the primary key of table B then the value of this foreign key must either match the value of the primary key for some row in table B or be null






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






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






44. The plural of Criterion






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






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






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






48. 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.






49. The combination of two or more rows in an operation - such as a join - or the combination of two or more columns for a primary key field to uniquely identify a given row in a table






50. A collection of relations