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:
Navigation Tabs
Explanation:
Navigation tab is used to switch between different pages that are shown in navigation tab. It is not used to navigate through the document.
Scroll bar is used to navigate through the document line by line. It has been shown on the right side of the document to move up and down the page.
Next page and previous page button used to navigate between pages of the documents.
Answer:https://www.khanacademy.org/computer-programming/lava-the-impossible-game-by-swax97/4638717300965376/embedded?id=1436456095000-0.5&origin=undefined&buttons=yes&embed=yes&editor=no&author=yes
Explanation:
