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 punctuation mark - such as a semicolon - that separates pieces of data






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






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






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






6. The SQL command used to add new data to a table






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






8. 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






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






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






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






12. The plural of Criterion






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






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






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






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






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






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






19. 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






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






21. The relational algebra command for performing the intersection of two tables






22. The most common form of a join






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






24. What type of an operator is >= ?






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






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






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






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






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






30. 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






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






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






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






34. A collection of relations






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






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






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






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






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. When sorting on two fields - the less important field






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






42. 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






43. 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






44. 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






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






46. A rule in Access that data entered in a field must satisfy






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






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






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






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