Data

Question 1

application layer

Answer 1

communicates with the end user and can be fairly complex, does not directly manipulate data

Question 2

flat -file

Answer 2

stores data in a plain text file (CSV)

Question 3

hierarchical

Answer 3

organizes data in a tree structure

Question 4

relational

Answer 4

contain data tables that can be joined in logical ways

Question 5

DBA responsibilities

Answer 5

security, tuning, availability, continuity, backup/recovery, reporting, db applications