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. A self-describing collection of integrated tables. The tables are called integrated because they store data about the relationships between the rows of data.






2. A characteristic of a field that determines what kind of data it can store and what type of operations can be performed on it.






3. The persons or things that a database table is about.






4. Functional dependency involving only non-key attributes.






5. Dependency where determinant determines a list of values.






6. A query that removes records which match the criteria you specify from one or more tables






7. A field - set up in a query - that displays the result of an evaluated expression rather than displaying stored data.The value of the calculated field is re-calculated each time a value in the expression changes.






8. An organised pool of related data files which can be easily accessed and managed and that may be used by a number of different application programs






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






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






11. The components of a data abase i.e. tables - queries - forms - reports - pages - macros and modules.






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






13. Knowingly violates one or more rules of normalization.






14. A field in a table with unique values that although it is not the primary key - it could have been used as such.






15. The DML statement used to choose data from a database. The result is stored in a temporary table - called the result-set.






16. 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.






17. All determinants are candidate keys.






18. In an access databse - a window in which you work with tables in design view or datasheet view.






19. A graphical representation of entities and their relationship to each other - typically used in computing in regard to the organization of data within databases or information systems






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






21. A control - also called an edit field - used on a form - report or data access page to display text or accept data entry.It can have a label attached to it.






22. Attribute that determines the value of another attribute.






23. A relational database management system from Microsoft that combines the relational MS Jet Database Engine with a graphical user interface and software-development tools.






24. A referential integrity constraint is a statement that limits the values of the foreign key to those already existing as primary key values in the corresponding table.






25. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.






26. A control that indicates whether an option is selected or not. A tick mark appears in the box when the option is selected.






27. A query that asks a question about the data stored in your tables and returns a results set in the form of a data sheet without changing the actual data in the table(s).






28. A way of looking at a database object - usually looking at the design or at the contents/results






29. A graphical representation of any portion of a database scheme.






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






31. No partial functional-dependencies.






32. Candidate key selected for use.






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






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






35. 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.






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






37. Table has no anomalies.






38. 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.






39. A value that is automatically entered in a field or control when you add a new record.






40. No multiple multi-valued dependencies.






41. A combination of attributes that can be used to uniquely identify a database record. Candidate keys are a special subset of super keys that do not have any extraneous information in them






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






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






44. DBMS (Database Management System) statements used to manage data (tables and other objects) within a database






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






46. No Transitive Dependencies.






47. A query that displays a summary calculation - such as an average or a sum - for values in a table or tables. A totals query is not a seperate kind of query; rather it extends the flexibility of select queries.






48. A Key composed of more than one attribute.






49. A link between two or more tables.






50. A table which is not only in 2NF but whose non-primary key fields are dependent only on the primary key and therefore have no dependence on (relationship to) any other non-primary key field in the table.