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Category: SQL Server

#SQLPASS #Summit2013 Professor DeWitt Keynote

This morning at the PASS Summit, we have the pleasure of listening to Professor David DeWitt talk about Hekaton internals.

I'm actually not going to liveblog this - I'm going to sit back and take in the presentation as an attendee because it's going to be so damn good, and I'm not going to be able to do justice to it in a live blog post. I need to explain why.

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#SQLPASS #Summit2013 Microsoft Keynote Liveblog

Charlotte, NC - Your intrepid reporter is onsite at the convention center, settling in at the Blogger's Table. At 8:15AM Eastern time, PASS President Bill Graziano will take the stage, discuss PASS, and then hand things over to Microsoft's Quentin Clark for product announcements.Some of the things I'm looking for include:Attendance numbers on the Summit…

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Get a Report of Your Server’s Top 10 Worst Queries

Problem: your database server’s performance stinks like Limburger cheese.

Solution: find the queries that are making that smell.
Hiding in Plain Sight
Your database server knows exactly which queries are performing the worst. When queries are executed, the execution plans – and associated execution statistics – are stored in memory (with a few exceptions). This information is stored in the plan cache, and you can access it by querying a couple of DMVs.

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Introducing the System Databases: Master, Model, MSDB

You've been working with SQL Server for a couple of years, but you're not really sure what's going on in the System Databases folder. What gets stored in Master, Model, and MSDB? What processes use them? In the event of a crash, should you restore them? Brent Ozar will give you an introductory tour in this half-hour video:

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Production DBA

Solving SQL Server Scalability Problems

You’ve been nursing your SQL Server through day after day of increasing load. Stored procedures are taking longer and longer to run. There are timeouts on the client side. Both customers and management are getting upset. As you’re bemoaning the terrible code that the developers wrote, it hits you: you don’t have a code problem, you have a scalability problem.

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News & Opinion

Missed Connection: Employer Seeking Employee

You were helping a sysadmin understand the details of a request for a new virtual server. You whiteboarded a diagram to show how SQL Server uses memory. You got so excited when the sysadmin asked a hard question that you spilled coffee everywhere.We were tuning queries on a video conference with developers from That Software…

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IOPS Are A Scam

Storage vendors brag about the IOPS that their hardware can provide. Cloud providers have offered guaranteed IOPS for a while now. It seems that no matter where we turn, we can't get away from IOPS.What Are You Measuring?When someone says IOPS, what are they referring to? IOPS is an acronym for Input/Output Operations Per Second.…

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Excuses for Slow Databases That Don’t Hold Up

You're making excuses.The database application is slow, and you're throwing something under the bus, but we've got bad news. Changing it probably isn't going to make your server faster. Here's some of our favorite excuses.Kendra SAYS, "Your Problem Isn't GUIDs."Unique identifiers may or may not be globally unique, but they are one thing: the universal…

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