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






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






3. The field on which data are sorted






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






5. 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






6. A message in Access that is displayed when a validation rule is violated






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






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






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






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






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






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






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






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






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






16. A characteristic or property of an entity






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






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






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






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






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






22. An association between entities






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






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






25. A collection of relations






26. Combination of criteria in which both criteria must be true






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






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






29. What type of an operator is >= ?






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






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






32. An index built on a single field






33. A collection of relations






34. A characteristic or property of an entity






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






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






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






38. The query that is used to define the structure of a viewk






39. 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






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






41. 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






42. The prevention of unauthorized access to a database






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






44. A query in SQL that appears within another






45. 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






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






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






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






49. A collection of relations






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