Answer:
Giving that: The following is a sequence of undo-log records written by 2 transactions T and U:
< START T >;
< T,A,10 >;
< START U >;
< U, B, 20 >;
< T, C, 30 >;
< U, D, 40 >;
< Commit U >;
< T, E, 50 >;
< Commit T >;
1. < START U >
Recovery action in this case will be undo(-1) and undo(0). All restored to its original Value
log records < T, A, 10 >, < T, abort >; as written out
2. < T, E, 50 >
Recovery action in this case will be undo(8) and redo(0). A and C is restored to its original value, B and D are set to 20 and 40
log records <T, C, 30 >, < T, A, 10 >, < T, abort > are written out
3. < Commit T >
Recovery action in this case will be redo(7) and redo(4). A and C are set to 10 and 30, B and D are set to 20 and 40
Answer
can we get a picture of the problem ?
Explanation:
Answer:
A) True
Explanation:
Industrial espionage utilizes both illegal and unethical methods in gathering information about a corporate organization in order to get business intelligence. This involves stealing intellectual property and trade secrets to use them for a competitive advantage. because Information about company's products, services, finances, sales, etc can be toold for economic warfare
Answer:
vehicle super class 9.1.4
Explanation:
So you need to create a super class containig all the animals use the class above for referance
