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 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






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






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






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. A characteristic or property of an entity






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






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






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






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






10. 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






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






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






13. A word that is part of the SQL language






14. A computer that provides services to the clients in a client/server system






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






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






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






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






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






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






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






22. The most common form of a join






23. A data value meaning "unknown" or "not applicable"






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






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






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






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






28. What type of an operator is >= ?






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






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






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






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






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






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






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






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






37. 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






38. The SQL command that creates an index in a table






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






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






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






42. An index built on a single field






43. The table obtained by concatenating every row in the first table with every row in the second table






44. A collection of relations






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






46. 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






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






48. An index built on more than one field






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






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






Can you answer 50 questions in 15 minutes?



Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests