![]() Second is by informal access query language. First, access is possible by the formal application interfaces. The three software modules that facilitate user access are the data definition language, the data manipulation language, and the query language.*ĭ. 7.)Statement 1 DBMS permits authorized user access, both formal and informal, to the database. To an earlier version that is known to beĪuthorization and maintain the database. To the database and to efficiently manageĮvent of a disaster, the DBMS can recover Database Access 6.)Which of the following is false?*Įnvironment to assist (or prevent) access All users have access to the data theyĪpproach may be overcome 5.)The following are key elements of the database environment except*ĭ. S1 false, S2 false 4.)Which of the following is false about Database Approach?*ī. Statement 2 The user’s program sends requests for data to the DBMS, which validates and authorizes access to the database in accordance with the user’s level of authority.*ĭ. ![]() 3.)Statement 1 The DBMS is a special software system that is programmed to know which data elements each user is authorized to access. Is not authorized to access, the request isĭenied. it causes problem in data storage, dataĭ. ![]() it is the replication of essentially theĬ. S1 false, S2 false 2.)Which of the following is false about data redundancy?*Ī. The flat-file environment promotes a single-user view approach to data management whereby end users own their data files rather than share them with other users.*ĭ. The flat-file approach is most often associated with so-called legacy systems. Flat files are data files that contain records with no structured relationships to other files.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |