Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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There are two methods available for canceling processes and overcoming deadlocks, which are as follows:
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- In the given figure activity D starts at E Time 3 4 8. 9 10 12 13 14 15 16 17 earliest finish time latest start time latest finish time Earliest start timearrow_forwardFind a balanced incomplete block design (BIBD) satisfying the values v=5, k=2, and h=1. Find b, the number of blocks, and r, the number of blocks on each variety. Explain why there is a BIBD for any value of v>2 with k=2 and h=1. Give formulas for b and r in terms of v.arrow_forwardYou are to investigate and catalog common anti-patterns, then classify them according to their occurrence in the Design, Development, or Architecture phases. For each stage of the process, you should provide at least three instances of potential anti-patterns.arrow_forward
- Suppose we're modelling an RC crane which is receiving a sequence of input commands, each of which is UP, DOWN, or BEEP. This crane has only two vertical positions, and starts in the high position. It should go into an ERROR end state if it is asked to go UP when it is in the high position or DOWN when it is in the low position. Once it is in the ERROR state, it stays in the ERROR state no matter what commands it receives. BEEP commands are legal at any point. Give a state diagram for this system, in which each edge corresponds to receiving a single command.arrow_forwardProvide an illustration of wait()'s role in process termination.arrow_forwardYou are to investigate and catalog common anti-patterns, then classify them according to their occurrence in the Design, Development, or Architecture phases. Make sure to include at least three instances of anti-patterns occurring throughout each stage of the procedure.arrow_forward
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