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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 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






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






3. A link between two or more tables.






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






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






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






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






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






9. Dependency where determinant determines a list of values.






10. DOC MADE UP






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






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






13. The dominant database model






14. 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






15. 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.






16. 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






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






18. 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.






19. a.k.a record






20. 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






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






22. An attribute utilized to sort and/or identify data in some manner. Each table should have a primary key which uniquely identifies records.






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






24. 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.






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






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






27. 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.






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






29. No Transitive Dependencies.






30. All determinants are candidate keys.






31. 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.






32. 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.






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






34. 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.






35. The part of an SQL statement that specifies which record to retrieve.






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






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






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






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






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






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






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






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






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






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






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






47. To modify a database - or the files associated with the database.






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






49. A database object on which you place controls for entering - displaying and editing records in a table.






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







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