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






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






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






4. The part of an SQL SELECT command that indicates the tables in the query






5. 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






6. A characteristic or property of an entity






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






8. A characteristic or property of an entity






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






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






11. An index built on a single field






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






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






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






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






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






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






18. A punctuation mark - such as a semicolon - that separates pieces of data






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






20. A characteristic or property of an entity






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






22. A characteristic or property of an entity






23. 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.






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






25. 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






26. 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






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






28. A collection of relations






29. A collection of actions in Access that are performed in response to an associated database operation - such as inserting or updating or deleting records.






30. 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






31. 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






32. 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






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






34. The relational algebra command for performing the intersection of two tables






35. A word that is part of the SQL language






36. 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






37. The column on which two tables are joined






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






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






40. A delete option in which related records are automatically deleted






41. 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






42. An association between entities






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






44. A characteristic or property of an entity






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






46. An index built on more than one field






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






48. The prevention of unauthorized access to a database






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






50. A Characteristic or property of an entity