Oracle Exam 1Z0-888 Topic 12 Question 95 Discussion

Actual exam question for Oracle's 1Z0-888 exam

Question #: 95
Topic #: 12

You have created a backup of the 'sales' database with the command:

Which two procedures can be used to restore the 'orders' table from the backup?

ACheck the rate of change in the status value Aborted_connects and compare to the rate of change in Connections.

BCheck the difference between the InnoDB status values ''Log Sequence number'' and ''Last Checkpoint'' positions then compare that to the total size of the redo log.

CCheck the rate of change in the status value Select_scan and compare to the rate of change in Com_select.

DCheck the difference between the InooDB status values ''Trx id counter'' and ''Purge done for'' and compare to the state substatus of the main ''Main thread''

ECheck the rate of change in the statis value Qcache_hits and compare that to the rate of change of Qcache_not_cached.

Show Suggested Answer

Suggested Answer: B, E

by Elena at Jun 28, 2024, 10:58 AM

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Antonette

9 months ago

Option C is pretty funny. Comparing the rate of selects versus scans? That's like asking a chef to compare the rate of knife usage to the rate of oven usage.

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Jesusa

9 months ago

C) Check the rate of change in the status value Select_scan and compare to the rate of change in Com_select.

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Gracie

9 months ago

B) Check the difference between the InnoDB status values ''Log Sequence number'' and ''Last Checkpoint'' positions then compare that to the total size of the redo log.

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Lelia

9 months ago

A) Check the rate of change in the status value Aborted_connects and compare to the rate of change in Connections.

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Micaela

9 months ago

C) Check the rate of change in the status value Select_scan and compare to the rate of change in Com_select.

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Leonor

9 months ago

B) Check the difference between the InnoDB status values ''Log Sequence number'' and ''Last Checkpoint'' positions then compare that to the total size of the redo log.

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Leota

9 months ago

A) Check the rate of change in the status value Aborted_connects and compare to the rate of change in Connections.

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Celestina

10 months ago

Ha! This is a classic DBA question. I'd go with Option A - monitoring the connection status is always a good idea.

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Levi

9 months ago

Definitely, it's important to keep an eye on Aborted_connects and Connections.

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Felton

9 months ago

I agree, monitoring the connection status is crucial for database restoration.

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Emogene

10 months ago

I think option E is the correct procedure because it involves checking the rate of change in specific status values.

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Shizue

10 months ago

But option B makes more sense because it involves checking the InnoDB status values.

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Brett

10 months ago

This is a tricky one, but I think Option E might be the best choice. Monitoring the cache hit ratio could provide valuable information about the database's performance.

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Johnson

9 months ago

You make a good point. Option E seems like the most straightforward choice for restoring the 'orders' table.

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Josphine

9 months ago

I see your point, but I believe Option D could also be useful. Comparing the InnoDB status values might give us important insights.

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Yvonne

9 months ago

I think Option B might also be a good choice. Checking the InnoDB status values could help with the restore process.

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Corinne

9 months ago

I agree, monitoring the cache hit ratio is crucial for database performance.

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Callie

10 months ago

I disagree, I believe option D is the best way to restore the table.

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Jeniffer

10 months ago

I'm leaning towards Option D. Comparing the transaction ID counter to the purge status can give insights into the state of the database.

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Shizue

10 months ago

I think option B is the correct procedure to restore the 'orders' table.

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Nelida

10 months ago

Option B seems the most relevant. Checking the difference between the InnoDB log sequence number and last checkpoint positions can help determine if the backup is consistent.

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Almeta

9 months ago

Yes, it's important to check the consistency of the backup by comparing the log sequence number and last checkpoint positions.

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Galen

10 months ago

I agree, option B is the best choice for restoring the 'orders' table.

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