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 window that displays the SQL statement for the current query or is used to create a SQL specific query. When you create a query in design view - Access constructs the SQL equivalent in the SQL view.






2. The window that appears when you open an Access database or an Access project. It displays the commands for creating new database objects and opening and manipulating existing objects.






3. An association/link established between common fields in two different tables. A relationship can be one-to-one - many-to-many or more usually one-to-many.






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






5. 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.






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






7. A function such as sum - count or average that you use to include summary data in a report.






8. 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).






9. A database computer language designed for the retrieval and management of data in relational database management systems (RDBMS) - database schema creation and modification - and database object access control management.






10. A normalization which falls between 3NF and 4NF and involves the elimination of non-trivial dependencies






11. DOC MADE UP






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






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






14. 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.






15. 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.






16. A query that copies data or changes data in some way. This includes append - delete - make-table and update queries.






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






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






19. Specialized engines designed specifically to store objects. Users can interact with objects only through designated methods.






20. 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.






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






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






23. When a table is not only in 1NF but each non key field is functionally dependent on the full primary key






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






25. Table has no anomalies.






26. A relation that contains no multivalued attributes.






27. 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.






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






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






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






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






32. The process of organizing data to minimize redundancy and produce smaller - well-structured relations/tables.






33. 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






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






35. 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.






36. No partial functional-dependencies.






37. No multiple multi-valued dependencies.






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






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






40. A data type that is used for fields and calculations involving money






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






42. This is an exact numeric data type that holds from 10^38 - 1 through 10^38 - 1.






43. 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






44. 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 of0 - 1 - or many records in the related table.






45. Attribute that determines the value of another attribute.






46. 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






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






48. 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






49. A collection of fields that together describe one entity.






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







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