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






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






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






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






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






6. A query in SQL that appears within another






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






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






10. 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






11. A file containing a collection of compiled and optimized SQL statements that are available for future use






12. The part of an SQL SELECT command that indicates the condition rows must satisfy to be displayed in the query results






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






14. A characteristic or property of an entity






15. A Characteristic or property of an entity






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






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






18. The prevention of unauthorized access to a database






19. A view that consists of a subset of the rows and columns in a table






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






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






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






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






24. 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






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






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






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






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






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






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






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






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






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






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






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






36. A characteristic or property of an entity






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






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






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






40. What type of an operator is >= ?






41. The column on which two tables are joined






42. An association between entities






43. The column on which two tables are joined






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






45. 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.






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






47. A characteristic or property of an entity






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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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