Error : Property Size is not available for Database "[tempdb]"
Today when I clicked Properties of tempdb in SSMS, I got the error message below:
At first I thought the database...
2014-01-23
6,116 reads
Today when I clicked Properties of tempdb in SSMS, I got the error message below:
At first I thought the database...
2014-01-23
6,116 reads
Application lock can be used to synchronize T-SQL code, you can control if the session is able to run the...
2013-11-15
5,019 reads
Several Situation will cause the log shipping restore job failed on secondary server
1. Restore job is not able to access the...
2013-11-09
11,248 reads
1. How to connect client to a Database Mirroring Session with failover aware
A: add FailoverPartner keyword in the connection string,...
2013-11-08
13,668 reads
Today I got a database mirror case, I was told the all databases were in disconnected\in recovery status on both...
2013-11-06
1,207 reads
Recently I saw a post regarding the count(1) and count(*)
http://www.sqlservercentral.com/articles/T-SQL/102474/
the post said "You know that doing COUNT(*) on a table with...
2013-10-28 (first published: 2013-10-20)
5,772 reads
Today my colleague come to me and ask me why her database restore query was hang. She was going to...
2013-10-01
1,225 reads
Find a useful system store procedure to list all mapping user of SQL login account.
sp_msloginmappings @Loginname , @Flags
@loginname: the login account name, If...
2013-09-27 (first published: 2013-09-24)
9,833 reads
1. SET STATISTICS TIME ON
It not only tell you the compile time of sql command, but also show you the...
2013-09-19
10,182 reads
I got an strange error when installing SQL Server 2012 Express
Environment:Window Server 2008 R2 Enterprise + SP1Microsoft Visual Studio 2012 installed.Net...
2013-08-07
1,880 reads
I am honored to announce that I have been renewed as a Microsoft MVP...
By Rohit Garg
Demystifying KTLO: A Deep Dive into Keep The Lights On Work in IT...
By Steve Jones
The PASS Summit goes on tour this year, with a September stop in Dallas....
Comments posted to this topic are about the item How a Legacy Logic Choked...
Comments posted to this topic are about the item Formatting Dates and Times: The...
Comments posted to this topic are about the item 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