Free SQL Server Learning Resources - Updated
Here is updated list of *free* invaluable SQL Server learning resources.
Unknown is an ocean.
You think I missed some important freely...
2012-12-06
3,299 reads
Ramukar LivingForSQLServer
- Interests: Spending time with my family, Reading SQL Server internals and tuning topics
LivingForSQLServer celebrates 2nd year anniversary today
It's been 2 years since I wrote my first blog post on SQLServerCentral ("What happens when a query is submitted").
No...
2012-12-05
1,446 reads
Next Chennai SQL Server UG Meet Is Scheduled
Chennai SQL Server user group meet is scheduled for Dec'2013.
Venue: Microsoft Training Centre, Radhakrishnan Salai, Chennai
Landmark: Opposite to President hotel
Timing: 09:30...
2012-12-05
1,588 reads
SQLOS Basics - Query and CPU
In this article We are going to understand the basics of SQLOS - CPU scheduling.
In high level:
1. When an user connects to SQL...
2012-12-03
6,316 reads
Interview questions for SQL Server Performance Tuning Specialists
If you are the regular reader of my blog posts, you could easily judge in which topics i spend much time these days.
I have...
2012-11-29
10,107 reads
One Interview question. Many Answers
Conducting technical interview is an art.
Most likely I would start a discussion with simple questions like "What is your favourite topic in SQL...
2012-11-27
3,499 reads
Time Pass With Transaction Log - Part 5 INSERT
In this article We are going to INSERT a record in a simple table and try reading Transaction log record.
Note:...
2012-11-27
4,500 reads
Time Pass With Transaction Log - Part 4 DDL
In this article, We are going to CREATE/ ALTER/ DROP a table and observe transaction log records created for those DDL statements.
Our...
2012-11-26
3,527 reads
Time Pass With Transaction Log - Part 3 fn_dblog
As part of this Transaction Log Internals series, In this article we are going to observe the use of fn_dblog and some of its important...
2012-11-19
17,874 reads
Time Pass With Transaction Log - Part 2 Basics
As part of this Transaction Log internal series, In this article We are going to revisit some basic properties of Transaction log.Though architecture, purpose...
2012-11-18 (first published: 2012-11-15)
3,378 reads
Blogs
What is KTLO? Keep The Lights On vs Project Work in Agile
By Rohit Garg
🔍 Demystifying KTLO: A Deep Dive into Keep The Lights On Work in IT...
The PASS Summit on Tour in Dallas
By Steve Jones
The PASS Summit goes on tour this year, with a September stop in Dallas....
SQL Server Auto-settings: The Good, the Bad, and the Ugly
By Kevin3NF
Settings That Could Be Hurting Your Performance If you’ve ever created a new SQL...
Forums
How a Legacy Logic Choked SQL Server in a 30-Year-Old Factory
Comments posted to this topic are about the item How a Legacy Logic Choked...
Formatting Dates and Times: The SQL Dialect Divide
Comments posted to this topic are about the item Formatting Dates and Times: The...
Query Plan Regressions --
Comments posted to this topic are about the item Query Plan Regressions --
Question of the Day
Query Plan Regressions --
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers