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






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






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






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






5. a.k.a record






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






7. Guidelines set in place to ensure the trustworthiness of data over its entire life cycle.






8. No partial functional-dependencies.






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






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






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






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






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






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






15. A link between two or more tables.






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






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






18. Knowingly violates one or more rules of normalization.






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






20. 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.






21. 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).






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






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






24. 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.






25. 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.






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






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






28. 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






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






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






31. A database object that stores data in records and fields. The data is usually about a particular category of things.






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






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






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






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






36. 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






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






38. 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.






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






40. 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.






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






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






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






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






45. Data about data.






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






47. 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






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






49. A characteristic of the items in a database i.e. a field






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







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