ISQS Delgadillo Exam 3 TTU Questions and Correct Answers the Latest Update and Recommended Version
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Course
ISQS
Institution
ISQS
Data Resource Management
→ -when you use technology to mange data.
Database Administrator (DBA)
→ -Responsible for managing the data, work with programmers and systems analyst to
design and implement database.
→ -Also work with users and managers of the firm to establish policies for ma...
ISQS Delgadillo Exam 3 TTU Questions
and Correct Answers the Latest Update
and Recommended Version
Data Resource Management
→ -when you use technology to mange data.
Database Administrator (DBA)
→ -Responsible for managing the data, work with programmers and systems analyst to
design and implement database.
→ -Also work with users and managers of the firm to establish policies for managing.
Why is there a demand for more and better data?
→ -competitive environment.
→ -powerful workstations that can handle data quickly.
→ -more computer literate personnel.
→ -A table storing all database information in one large two-dimensional table.
Traditional approach disadvantages
→ - you have to change your address at every place where everyone has their own file
on you.
→ -Data are stored, organized and processed in independent files
→ -Data duplication- everyone has your address.
→ -Lack of integration- its impossible to combine two different databases or files.
→ -data dependence- when you change files you have to change program.
Database approach
→ -when you need to change an address now just change it on raider link. Its from one
central location.
→ -files are consolidated into a common pool of records available to many different
application programs.
→ -requires the use of a database management system.
advantages of database approach
→ -minimal data redundancy (data duplication minimized)
→ data integration
→ -program-data independence (no data dependence)
hierarchal model
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