Answer:
1. DBMS
C. <em>A storage system that provides efficient access to randomly chosen items</em>
G. <em>Performs database operations requested by application software</em>
2. data mining
B. <em>The process of extracting hidden information</em>
3. hash file
A. <em>A. means of locating a particular record within a file</em>
4. index key field
F. <em>An item used to identify records uniquely</em>
5. locking protocol
E. <em>A system to guard against database errors due to performing transactions concurrently</em>
6. relation
D. <em>A structural unit (with rows and columns) in a popular database model</em>
7. roll back schema
I. <em>A "road map" of a particular database's design</em>
J. <em>To "unwind" a transaction</em>
8. SQL
H. <em>A popular language that implements relational database operations.</em>
Answer:
3
Explanation:
I've just taken the test and made a 100. 3 is the most logical answer aswell, it has more of an effect than the others.
Answer:
Explanation:
print(list1)
['C++', 'JAVA', 'ASP.PHP']
[2:-2]
Gets 2 position(C++) to -2 position(ASP.PHP), JAVA is in the Middle
print(list2)
[]
Gets middle of C++(nothing)
print(list3)
['Python', 'JAVA', 'MySQL']
Get first, jump 3, get first...
'get', 'any', 'any', 'get', 'any', 'any', 'get', ...
