Test your basic knowledge |

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






2. The conditional expession that is to be used to select particular data records from a larger set of records.






3. 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






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






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






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






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






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






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. Attribute that determines the value of another attribute.






11. 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






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






13. No multiple multi-valued dependencies.






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






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






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






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






18. No partial functional-dependencies.






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






20. 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






21. 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.






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






23. a.k.a record






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






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






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






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






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






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






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






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






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






33. 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.






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






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






36. Data about data.






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






38. 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.






39. Dependency where determinant determines a list of values.






40. DOC MADE UP






41. The dominant database model






42. 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.






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






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






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






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






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






48. 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.






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. 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.