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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. The field on which data are sorted






2. 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






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






4. 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






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






6. An association between entities






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






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






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






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






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






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






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






14. The column on which two tables are joined






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






16. The relational algebra command to select rows from a table






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






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






19. A characteristic or property of an entity






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






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






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






23. A characteristic or property of an entity






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






25. The prevention of unauthorized access to a database






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






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






28. A condition that involves only a single field and a single value






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






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






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






32. An association between entities






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






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






35. 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






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






37. 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.






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






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






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






41. 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






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






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






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






45. What type of an operator is >= ?






46. A Characteristic or property of an entity






47. The column on which two tables are joined






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






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






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







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