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






2. The SQL clause that is used in a CREATE TABLE or ALTER TABLE command to set a table's primary key field(s)






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






4. 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






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






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






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






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






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






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






11. 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






12. A very popular relational data definition and manipulation language that is used in many relational DBMS's






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






14. The most common form of a join






15. A word that is part of the SQL language






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






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






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






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






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






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






22. A characteristic or property of an entity






23. A collection of relations






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






25. The SQL clause that is used to enforce legal-values integrity






26. A collection of relations






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






28. 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






29. A Characteristic or property of an entity






30. 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






31. The plural of Criterion






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






33. A characteristic or property of an entity






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






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






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






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






38. The field on which data are sorted






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






40. An association between entities






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






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






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






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






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






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






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






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






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






50. When comparing tables the set of all rows that are in the first table but that are not in the second table