Comments on: SQL SERVER – Questions and Answers with Database Administrators

By: pankaj tiwari

pankaj tiwari — Wed, 27 Jan 2010 10:15:04 +0000

Thanx pinal,,, its a very intersting site.. and i have learned so many thing from here .. thanx again

By: Bhavin Jasani

Bhavin Jasani — Wed, 16 Sep 2009 03:09:10 +0000

Hey Pinal,

I am a Lecture, and currently i am taking SQL server 2000 as wel as Oracle in Master.

so i want some material of these two. with examples,,,

can you give some important links for this…..

thanks..

Bhavin Jasani

By: Narenndra

Narenndra — Fri, 24 Jul 2009 00:38:04 +0000

Hi Pinal.

can u elaborate the testing concepts .

Thanks,
Narenndra

By: Ketan

Ketan — Sun, 24 May 2009 19:19:00 +0000

Hi Pinal, Good one.
Can you provide some sql queries which u ask for any DBA/Database developer position?

Thanks,

By: Shafqat AHmed

Shafqat AHmed — Wed, 20 May 2009 21:35:30 +0000

Good questions … unfortunately I expected a lot more advanced stuff. To maintain real live high transaction databases you should ask DBAs a lot more tougher questions.

Keep it up. Nice post.

By: ramani

ramani — Wed, 13 May 2009 04:46:05 +0000

Pinal,
i have some dbts in the following areas in this article.
1. How do you test your database?

Testing Databases:

Test database is a replica of development database. so
do we need to check column datatype, constraints, stored procedures, triggers and these methods should match with the application?.
would that be enough to check the count for tables, stored procedures, functions, views, triggers?

Testing Stored Procedures:

Understand the requirements in terms of Business Logic.
Check if the code follows all the coding standards.
Compare the fields’ requirements of application to the fields retrieved by a stored procedure. They must match.

These points are fine. even these should be verified at the time of design phase, and coding phase. by conducting design reviews, code reviews the above mentioned points are covered right?
the last two points are fine in order to check the performance of the query and validating the data.

Please let me know if i m wrong…
Thanks in advance.

By: onpnt

onpnt — Tue, 12 May 2009 16:16:32 +0000

“What is your recommendation for a query running very slow”

I’m questioning even giving a DBA the option of retarting the data services to fix that one. Given a Jr level reader, they might actually think that is a good idea. Granted hardware is always a major consideration when seeing long running queries based on already well formed plans, I would state to perfmon the server while under pressure of the query first. Then the first option is check the configuration of the server OLTP vs OLAP and warehouse solutions may be more relavant

By: John

John — Mon, 11 May 2009 10:23:50 +0000

“What is your recommendation for a query running very slow”

Are the items you’d check in the order you’d check them?

My first thing to check would always be the query itself to see whether it was using indexes effectively – 99% of the slow performing queries I encounter are either badly written or not supported by suitable indexes.

Occasionally statistics need updating, but SQL Server mostly takes care of that.

Restarting servers and upgrading hardware is generally a long way down the list of things to try.

By: Nasif

Nasif — Mon, 11 May 2009 06:21:40 +0000

Very Informative!!! Thanks