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






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






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






5. A person or place or object or event or idea for which you want to store and process data






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






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






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






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






10. 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






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






12. The portion of the system catalog that contains index information






13. The SQL command used to delete a table






14. 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






15. The clause in a SQL CREATE TABLE or ALTER TABLE command that specifies referential integrity






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






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






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






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






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






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






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






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






24. 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.






25. The SQL statement that is used to grant different types of privileges to users of a dataabase






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






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






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






29. The SQL command that drops (deletes) and index from a table






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






31. 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






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






33. The prevention of unauthorized access to a database






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






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






36. Additional information required by an action in a data macro to complete the action






37. An index built on a single field






38. 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






39. An association between entities






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






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






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






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






44. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table






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






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






47. A characteristic or property of an entity






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






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






50. The part of an SQL SELECT command that indicates a sort order