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






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






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






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






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






6. A query in SQL that appears within another






7. 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.






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






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






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






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






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






13. The field on which data are sorted






14. A characteristic or property of an entity






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






16. 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






17. 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






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






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. An application program's or an individual user's picture of a database






21. 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






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






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






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






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






26. The field on which data are sorted






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






28. The clause in a SQL CREATE TABLE or ALTER TABLE command that specifies referential integrity






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






30. What type of an operator is >= ?






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






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






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






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






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






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






37. An index built on more than one field






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






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






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






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






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






43. A characteristic or property of an entity






44. 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






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






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






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






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






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






50. The part of an SQL SELECT command that indicates grouping