RE: a question to question

From: Taylor, Chris David <>
Date: Fri, 14 Jan 2011 07:16:29 -0600
Message-ID: <>

Whew!!! I read the question and was like ‘’s A and F..’

Glad you explained that LOL (Something interesting to keep in mind when perusing the web I guess)

Chris Taylor
Sr. Oracle DBA
Ingram Barge Company
Nashville, TN 37205
Office: 615-517-3355
Cell: 615-663-1673

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From: [] On Behalf Of Hemant K Chitale Sent: Friday, January 14, 2011 5:21 AM
Cc: oracle-l
Subject: Re: a question to question

Those suggested answers are "designed" to make you *fail* the exam.

A and F are the correct answers.

Hemant K Chitale
sent from my smartphone
On Jan 14, 2011 6:57 PM, "Remigiusz Sokolowski" <<>> wrote:


just preparing to some exams and found some typical queries on internet with answers

for example
TK 2: Which two steps are performed the first time any Update statement is issued after the instance is started ? Choose two

A. Creating the parse tree of the statement
B.Writing the modified data blocks to data files
C.Writing the modified data to the archived redo log files
D.Updating the control file to indicate the most recent checkpoint
E.Updating the data file header to indicate the most recent checkpoint
F. Reading the blocks to database buffer cache if they are not already there

The answer is provided as C and D.

But IMHO every query is a subject to parse before execution, and I would rather tell that blocks to be modified need to be read to buffer cache before modification and thus prior to writing the modified data to archived redo logs.
Concluding A and F

Or may be I do not understand the question well as English is not my primary language.



Pole nakazi

Remigiusz Sokolowski <<>>
pos   : DBA at DIiUSI
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-- Received on Fri Jan 14 2011 - 07:16:29 CST

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