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
6,431 reads
Use application lock to synchronize T-SQL code
Application lock can be used to synchronize T-SQL code, you can control if the session is able to run the...
2013-11-15
5,042 reads
log shipping restore job failed on secondary server
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
11,279 reads
"Failover Partner" keyword in connection string - Q&A
1. How to connect client to a Database Mirroring Session with failover aware
A: add FailoverPartner keyword in the connection string,...
2013-11-08
13,941 reads
One Database Mirror disconnected case
Today I got a database mirror case, I was told the all databases were in disconnected\in recovery status on both...
2013-11-06
1,226 reads
is count(1) faster than count(*)?
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)
5,780 reads
Enable Instant File Initialization to accelerate database restore
Today my colleague come to me and ask me why her database restore query was hang. She was going to...
2013-10-01
1,242 reads
List all mapping users of SQL login account
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)
9,866 reads
Get SQL Command Compile time
1. SET STATISTICS TIME ON
It not only tell you the compile time of sql command, but also show you the...
2013-09-19
10,199 reads
SQL Server 2012 Express installation failed issue
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
1,891 reads
Blogs
A Cloud Dependency Failure from Amazon
By Steve Jones
I went to sleep while reading a Kindle book on my phone. I know...
Deploying AI in logistics (the unfiltered version)
A conversation with Jan Laš, CIO at HOPI, about what deploying a data agent...
T-SQL Tuesday #198 Invitation: How Do You Detect Data Changes?
It's time for T-SQL Tuesday #198! This month's topic is change detection. The post T-SQL...
Forums
SPAM Issues May 2026
We suffered a SPAM attack from May 1-6, which unfortunately corresponded with time off...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
Question of the Day
Creating a JSON Document III
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers