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Chp 8- Database Administration Flashcards

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5559949923In most cases, access to every table and field in a database is a necessity for every user.​False0
5559952469The CEO of the company determines the database access privileges for all users.False1
5559954982Damage to a database can occur through a physical incident such as an abnormally terminated program.​True2
5559958025The DBA creates security policies and procedures.​False3
5559960507Management approval is not required before the security policies and procedures can be implemented.False4
5559963593To implement and enforce security, the DBA uses such features as encryption and views.​True5
5559967116Programmers monitor database usage to detect potential security violations.False6
5559969676To protect an organization's data against physical damage, the DBA creates a disaster recovery plan.​True7
5559984410The DBA is responsible for DBMS maintenance, data dictionary management, and training.​True8
5559990081When a company decides to purchase a new DBMS, the CEO leads the DBMS evaluation and selection effort.​False9
5559993449SQL is an example of a nonprocedural language.​False10
5559996476QBE is an example of a procedural language.​False11
5559999924A shared lock permits other users to read the data in the database.​True12
5560003827An internal company network that uses software tools typically used on the Internet and World Wide Web is called an extranet.​False13
5560006420Another term for production system is the test system.​False14
5560014284The ____ determines the access privileges for all users and enters the appropriate authorization rules in the DBMS catalog to ensure that users access the database only in ways in which they are entitled to do so.​ a. CEO​ b. ​programmer c. ​DBA d. ​IT managerc. ​DBA15
5560020230A ____ is a place where a record of certain corporate data is kept.​ a. depository b. data archive c. ​storage d. ​data bankb. data archive16
5560025078Which of the following DBMS evaluation categories does the following question relate to: Is it a simple catalog or can it contain more content, such as information about programs and the various data items these programs access?​ a. ​Backup and recovery b. ​Data dictionary c. ​Security d. ​Integrityb. ​Data dictionary17
5560029712Which of the following DBMS evaluation categories does the following question relate to: What is the unit that may be locked and are exclusive locks the only ones permitted?​ a. ​Concurrent update b. ​Data recovery c. ​Data dictionary d. ​Securitya. ​Concurrent update18
5560033915____ locks forbid any other user from accessing the data in any way. a. ​Shared b. ​Exclusive c. ​Limited d. ​Concurrentb. ​Exclusive19
5560041858Which of the following DBMS evaluation categories does the following question relate to: Does the DBMS allow partial copies and how does the DBMS handle updates to the same data from two or more replicas?​ a. ​Backup and recovery b. ​Security c. Integrity d. ​Replication and distributed databasesd. ​Replication and distributed databases20
5560048107Which of the following DBMS evaluation categories does the following question relate to: How many files can you open at the same time? a. ​Concurrent update b. ​Security c. ​Integrity d. ​Limitationsd. ​Limitations21
5560053558Which of the following DBMS evaluation categories does the following question relate to: On what operating system and hardware is the DBMS supported? ​ a. ​Concurrent update b. ​Security c. ​Limitations d. ​Limitationsd. ​Limitations22
5560058626Which of the following DBMS evaluation categories does the following question relate to: What types of files can you import or export?​ a. ​Cost b. ​Future plans c. ​Portability d. ​Performancec. ​Portability23
5560064466Which of the following DBMS evaluation categories does the following question relate to: Does the vendor of the DBMS supply printed or online training manuals and how good are the manuals?​ a. ​Portability b. ​Performance c. ​Cost d. ​Documentation and trainingd. ​Documentation and training24
5560069411____ integrity is the constraint that says that the values in foreign keys must match values already in the database.​ a. ​Parallel b. ​Relational c. ​Conditional d. ​Referentiald. ​Referential25
5560077591After the DBMS is purchased, the ____ has primary responsibility for installation and maintenance.​ a. ​IT manager b. ​DBA c. ​CEO d. ​userb. ​DBA26
5560083690The ____ establishes the naming conventions for tables, fields, and indexes in the data dictionary.​ a. ​users b. DBMS c. ​DBA d. ​programmersc. ​DBA27
5560089093The ____ is responsible for providing training in the use of the DBMS.​ a. programmer​ b. ​analyst c. ​DBA d. CEOc. ​DBA28
5560093725After the database designers complete the information-level design, the DBA does the ____-level design.​ a. ​physical b. ​information c. ​logical d. ​graphicala. ​physical29
5560099200In order to develop new programs, the programmers need access to the information in the DBMS. They are given access to the ____.​ a. ​production system b. ​test system c. ​live system d. ​documentation systemb. ​test system30
5560104340Changing the database design to improve the performance is called ____.​ a. ​tending the design b. ​focusing the design c. tuning the design d. ​modifying the designc. tuning the design31
5560109436By default, Access and other DBMSs create indexes automatically for the ____ keys.​ a. ​primary and minor b. ​alternate and foreign c. ​secondary and alternate d. ​primary and foreignd. ​primary and foreign32
5560113762Tables with indexes allow faster searches, but slow performance on ____.​ a. ​insertions b. ​deletions c. ​updates d. ​selectsc. ​updates33
5560117461____ converts a table that is in third normal form to a table no longer in third normal form.​ a. ​Conversion b. ​Denormalization c. ​Normalization d. Replicationb. ​Denormalization34

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