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 message in Access that is displayed when a validation rule is violated






2. The most common form of a join






3. The most common form of a join






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






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






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






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






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






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






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






12. The part of an SQL SELECT command that indicates the tables in the query






13. The SQL command that is used to change the structure of a table






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






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






16. The part of an SQL SELECT command that restricts the groups to be displayed






17. The column on which two tables are joined






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






19. 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.






20. An instruction by a user that directs a database to perform a certain way






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






22. The plural of Criterion






23. The portion of the system catalog that contains view information






24. The field on which data are sorted






25. A source of data - usually stored in hidden database tables - about the types of entities or attributes and relationships in a database






26. 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






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






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






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






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






31. 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






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






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






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






35. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table






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






37. A column (attribute) or collection of columns in a table whose value is required either to match the value of a primary key in a table or to be null






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






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






40. An action that automatically occurs in response to an associated database operation such as INSERT or UPDATE or DELETE






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






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






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






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






45. A question the answer to which is found in the database






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






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






48. What type of an operator is >= ?






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






50. A collection of relations