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. Combination of criteria in which both criteria must be true






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






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






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






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






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






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






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






9. The portion of the system catalog that contains index information






10. The rule that if table A contains a foreign key that matches the primary key of table B then the value of this foreign key must either match the value of the primary key for some row in table B or be null






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






12. A characteristic or property of an entity






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






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






15. A query in SQL that appears within another






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






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






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






19. An index built on a single field






20. A Characteristic or property of an entity






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






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






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






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






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






26. A combination of two tables consisting of all records that are in either table






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






28. 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






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






30. A Characteristic or property of an entity






31. The form of a join in which all records appear - even if they don't match






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






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






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






35. The SQL command used to delete a table






36. The rule that no column (attribute) that is part of the primary key may accept null values






37. The form of a join in which all records appear - even if they don't match






38. 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






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






40. In relational algebra the operation in which two tables are connected on the basis of common data.






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






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






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






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






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






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






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






48. 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.






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






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