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






2. All determinants are candidate keys.






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






4. 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).






5. DOC MADE UP






6. 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.






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






8. 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.






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






10. The process of examining and analyzing data with a view to extracting patterns from it. It is usually done on data warehouses






11. A Key composed of more than one attribute.






12. 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.






13. No multiple multi-valued dependencies.






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






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






16. No partial functional-dependencies.






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






18. One (or more fields) in a table that refer to the primary key in another table.






19. Candidate key selected for use.






20. A location within a database table that stores one particular type of data i.e. a field






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






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






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






24. Knowingly violates one or more rules of normalization.






25. 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.






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






27. a.k.a record






28. 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.






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






30. The actual pieces of facts that are stored in the fields in a database table.






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






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






33. That structure which contains description of objects created by a user - such as base tables - views and constraints - as a part of a database.






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






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






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






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






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






39. 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.






40. 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.






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






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






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






44. 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.






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






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






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






48. 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






49. 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.






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







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