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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. Candidate key selected for use.






2. 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.






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






4. The dominant database model






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






6. 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.






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






8. No Transitive Dependencies.






9. 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.






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






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






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






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






15. 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.






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






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






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






19. 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.






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






21. 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.






22. A graphical representation of all entity relationships (Data Model)






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






24. A Key composed of more than one attribute.






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






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






27. Dependency where determinant determines a list of values.






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






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






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






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






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






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






34. 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.






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






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






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






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






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






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






41. 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.






42. Functional dependency involving only non-key attributes.






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






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






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






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






47. 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.






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






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






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







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