Which concurrency control method should be used only when conflicts between transactions
rarely occur?
Suggested Answer: C
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12 comments · newest first
LA
Launa
11 months ago
I thought serialization was the safest option for all cases?
IL
Ilene
11 months ago
Totally agree, optimistic works well in low-conflict scenarios.
TR
Trevor
12 months ago
Wait, are we sure optimistic is the best choice?
TA
Tammara
12 months ago
I think locking is more reliable, though.
LO
Loreta
1 year ago
Optimistic is the way to go when conflicts are rare!
MA
Marshall
1 year ago
I’m leaning towards optimistic too, but I wonder if there’s a specific scenario where timestamps might apply instead.
GW
Gwenn
1 year ago
I feel like serialization is more about ensuring consistency, not necessarily about conflict frequency.
KE
Kerrie
1 year ago
I remember practicing a question like this, and I think locking is more for when conflicts are frequent, right?
MI
Milly
1 year ago
I think the optimistic method is used when conflicts are rare, but I'm not completely sure.
CA
Carey
1 year ago
Hmm, I'm a little unsure about this one. I know HPE OneView is a management tool, but I'm not sure exactly what operations it can perform with vCenter. I'll have to think this through carefully.
MA
Marjory
1 year ago
Hmm, I'm a bit unsure about this one. The wording is a bit tricky, and I'm not totally clear on the distinction between the different approaches. I'll have to think it through carefully.
BR
Brent
1 year ago
Hmm, I'm a little unsure about this one. The question mentions installing the "reporting app", but the options don't seem to directly match that. I'll have to think this through carefully before selecting an answer.