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






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






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






4. The SQL command used to delete a table






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






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






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






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






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






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






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






13. A characteristic or property of an entity






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






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






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






17. What type of an operator is >= ?






18. 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






19. 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






20. The prevention of unauthorized access to a database






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






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






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






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






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






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






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






28. A characteristic or property of an entity






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






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






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






32. 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






33. The portion of the system catalog the contains column information






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






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






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






37. A characteristic or property of an entity






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






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






40. 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.






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






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






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






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






45. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities






46. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities






47. 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






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






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






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