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






2. Table has no anomalies.






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






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






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






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






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






8. 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.






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






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






11. No Transitive Dependencies.






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






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






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






15. 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.






16. 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.






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






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






19. All determinants are candidate keys.






20. 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.






21. Candidate key selected for use.






22. 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.






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






24. A DBMS created by Microsoft - it is a collection of data and objects - such as tables - queries - or forms - related to a particular topic or purpose.






25. No partial functional-dependencies.






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






27. Attribute that determines the value of another attribute.






28. 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






29. A Key composed of more than one attribute.






30. An MS Access tool that simplifies a task. For example - you can quickly create a complex expression with the Expression Builder.






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






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






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






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






35. 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.






36. 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.






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






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






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






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






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






42. 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.






43. 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.






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






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






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






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






48. Arrange the records in a view set in order according to a particular field






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






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







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