This metric shows Writelog wait time in ms, per elapsed second. Writelog wait types occur when the log cache is being flushed to disk. If this happens all the time, it may suggest disk bottlenecks where the transaction log is stored.
2015-06-09
2,958 reads
One of the times that you need things to go right is when you are doing analysis and reporting. This is generally based on time and date. A sure-fire way of getting managers upset is to get the figures horribly wrong by messing up the way that you handle datetime values in SQL Server. In the interests of peace, harmony and a long career in BI, Robert Sheldon outlines some of the worst mistakes you can make when using SQL Server dates.
2015-06-08
7,158 reads
Chuck Hoffman exposes the mysteries of getting CASE statements to work in dynamic ORDER BY statements.
2015-06-05 (first published: 2012-04-26)
26,728 reads
Microsoft released the preview version of Azure SQL Database V12 in December of 2014. As a database administrator, you might wonder about the schema and security of these new data marts. Microsoft has supplied system stored procedures for the database developer to query the Linked Servers for this type of meta data, as John Miner explains.
2015-06-05
2,288 reads
In this article, James Munro demonstrates an example of a simple query without an index and then that same query again with the index. A simple introduction to database indexing.
2015-06-04
7,210 reads
In this tip Koen Verbeeck discusses query folding, how you can take advantage from it and how to make sure query folding takes place.
2015-06-03
3,661 reads
Criminal activity is a growing menace on the internet: This inevitably means more diligence is required by legitimate users in the face of an increasingly sophisticated criminal threat. Robert Sheldon describes some of the emerging threats and risks.
2015-06-02
4,544 reads
Each year SQLServerCentral runs a survey to get some insight into what who our readers are, what they like about the site, and what can be improved. Please take a few minutes to complete this survey by June 12 and get the opportunity to win one of three $50 Amazon vouchers.
2015-06-02 (first published: 2015-05-26)
13,214 reads
The MidnightDBA team is announcing the release of a new, free backup solution for SQL Server: Minion Backup. We created Minion Backup (or MB, for short) to be the most flexible, feature-rich backup solution possible.
2015-06-01
1,617 reads
Often while reporting you will encounter a situation where you will have comma separated values in a single column but you want to report them in rows. In other cases you might have values in multiple rows and want them to be a single value separated by comma or some other character. Arshad Ali demonstrates how to write queries in SQL Server to handle these scenarios quickly.
2015-06-01
5,990 reads
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers