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






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






3. Two tables are union compatible if they have the same number of fields and if their corresponding fields have identical data types






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






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






6. The portion of the system catalog the contains column information






7. 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






8. 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.






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






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






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






12. 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






13. 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






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






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






16. A Characteristic or property of an entity






17. A collection of relations






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






19. A Characteristic or property of an entity






20. A characteristic or property of an entity






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






22. The field or fields on which an index is built






23. 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






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






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






26. An association between entities






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






28. A characteristic or property of an entity






29. The column on which two tables are joined






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






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






32. The area of memory in MySQL that stores the most recently entered command






33. A word that is part of the SQL language






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






35. What type of an operator is >= ?






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






37. A characteristic or property of an entity






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






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






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






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






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






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






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






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






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






47. What type of an operator is >= ?






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






49. An index built on more than one field






50. The part of an SQL SELECT command that indicates grouping