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. A query that deletes all records that satisfy some criterion






2. The column on which two tables are joined






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






4. What type of an operator is >= ?






5. An index built on a single field






6. The SQL command that drops (deletes) a table from a database






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






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






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






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






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






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






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






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






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






16. The plural of Criterion






17. 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






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






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






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






21. A Characteristic or property of an entity






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






23. A query in SQL that appears within another






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






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






26. 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






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






28. A characteristic or property of an entity






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






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






31. 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






32. A computer that provides services to the clients in a client/server system






33. A structure that contains information about the objects (tables or columns or indexes or views and so on) in a database






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






35. An association between entities






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. A characteristic or property of an entity






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






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






41. A characteristic or property of an entity






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






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






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






45. The relational algebra command used to select columns from a table






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






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






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






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






50. A collection of relations