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. An association between entities






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






3. When comparing tables an intersection is a new table containing all rows that are in both original tables






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






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






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






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






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. A query that deletes all records that satisfy some criterion






10. A file used to store data about a single entity. Such a file can be thought of as a table.






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






12. An association between entities






13. 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






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






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






16. A characteristic or property of an entity






17. 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






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






20. 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






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






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






23. A characteristic or property of an entity






24. An index built on more than one field






25. The prevention of unauthorized access to a database






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






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






28. 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






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






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






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






32. A characteristic or property of an entity






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






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






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






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






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






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






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






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






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






42. The plural of Criterion






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






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






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






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






47. A characteristic or property of an entity






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






49. A word that is part of the SQL language






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