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
The Appalachian Mountains
Answer:
I grew up in the early internet stages. when i was young we would always have to sit at school, meetup somewhere, in town, or use the home phone. But when the internet was invented we could talk to each other through our computers at home. Old computers were so bulky and slow, but that was the coolest thing around. Now i can sit at home with my 20'' moniter on my 5g wifi and talking to my friends like theres no tomorrow. The internet has changed so much in the last years. If you were gonna tell me that one day ill be sitting at home playing games online and working from home on a laptop i would have told you that you were crazy.
Explanation:
It would be C- crop. This allows you to specifically delete parts of the image using drag and drop features. Hope this helps!
