Test your basic knowledge |

Database Management

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. No partial functional-dependencies.






2. A database object that prints information formatted and organised according to your specifications.






3. A programming language designed for managing & obtaining data in relational database management systems (RDBMS)






4. Data about data.






5. DOC MADE UP






6. An association between two tables in which the primary key value of each record in the primary table corresponds to the value in the matching field or fields of one and only one record in the related table.






7. Knowing the value of one attribute you can determine the value of another attribute.






8. A primary key that is comprised of more than one field.






9. A characteristic of the items in a database i.e. a field






10. A relation that contains no multivalued attributes.






11. A central repository for databases across an entire enterprise.






12. Attribute that determines the value of another attribute.






13. A record as seen in the data sheet view.






14. One or more fields whose values uniquely identify each record in a table.






15. A section of a record containing data relating to one single characteristic of an entity; also called an attribute






16. a.k.a record






17. The program which is used to organize - access and manage the data in a database - Creates - processes - and administers databases.






18. Contents of a Database: Tables of user data - Metadata - Indexes - Stored Procedures - _______ - Security Data - Backup/Recovery Data






19. A feature that speeds up searching and sorting in a table based on key values and can enforce uniqueness on the rows of a table.






20. A field data type that automatically stores a unique number for each record as it is added to a table.






21. Many-to-many relationships occur when each record in TableA may have 0 - 1 or many linked records in TableB and vice-versa.






22. A database object that stores data in records and fields. The data is usually about a particular category of things.






23. A query ( SQL statement ) that creates a new table and then creates records in it by coping records from an existing table.






24. A value that may be assigned to an attribute when no other value applies or when the applicable value is unknown.






25. An association between two tables in which several records in one table can relate to 0 - 1 or many records in the other table.






26. Functional dependency involving only non-key attributes.






27. All key attributes defined - attributes depend on key and no repeating groups.






28. Refers to the number of associations that can exist between two record types.






29. The conditional expession that is to be used to select particular data records from a larger set of records.






30. Data from a table - form - query which is displayed in a row-and-column format.






31. An operator used to compare two values or expressions; For example - < (less than) - > (greater than) - = (equal to)






32. Stored procedures that may be configured to automatically execute (fire) when certain events take place.






33. Two or more controls that can be treated as one unit while designing a form or report. You can select the group instead of selecting each individual control as you are arranging controls or assigning properties.






34. An abstract model that documents and organizes the business data for communication between team members and is used as a plan for developing applications - specifically how data is stored and accessed.






35. A window that shows the design or structure of the database objects: tables - queries - forms - reports - macros and data access pages.






36. The DBMS language component used to create - alter and destroy databases and database objects i.e. schemas - tables - views - sequences - catalogs - indexes - and aliases.






37. No Transitive Dependencies.






38. This is a property of data which - when satisfied - requires every value of one field (attribute) of a table to exist as a value of another field in another related table.






39. The set of fields in a table which stores unique values and so any one from the list can be selected to be the primary key.






40. A type of computer file system that stores all data in a single file.






41. A key that consists of 2 or more attributes that uniquely identify an entity occurrence.






42. A data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships: each parent can have many children - but each child has only one parent






43. An action query that adds the records in a query's result set to the end of an existing table.






44. All determinants are candidate keys.






45. A question about the data stored in your tables - or a request to perform an action on the data. A query can bring together data from multiple tables to serve as the source of data for a form. report or data access page.






46. Groups of database commands which are to be treated as a single atomic event.






47. The horizontal bar at the top of a column. You can click a column selector to select the entire column in the query design grid or the filter design grid






48. Relations which allow you to retrieve related records from the same table.






49. A candidate key that coud have been the primary key but was not selected as such ; OR a field that is not the primary key but has been used for indexing nevertheless.






50. When a relation is not just in Boyce-Codd Normal Form - but also contains at most one multivalued dependency.