SQL Server – Logical Disk Read Bytes/sec and disk io
In the SAN environment , the Logical Disk Performance objects counters monitor the logical partitions.
I use the Logical Disk Read Bytes/sec ...
2012-01-12
1,852 reads
- Interests: Performance Tuning Database Servers, Running and Coffee
SQL Server – Backup to NUL trick - read throughput
A neat test for read speed backup throughput is to use the Backup to NUL .
NUL is a special “file”. It's...
2012-01-11
954 reads
SQL Server – Maintaining different environments
A busy Database Server and application development environment can have – Sandbox, Dev, Test, QA, Staging, Production .
Maintaining multiple environments requires...
2012-01-10
2,651 reads
SQL Server –WRITELOG and how to reduce it
SQL Server Books online defines the wait type WRITELOG as “Occurs while waiting for a log flush to complete. Common...
2012-01-09
1,270 reads
Arithmetic overflow error and isdate sql
Executing a t-sql statement with a convert function
convert(datetime, my_date_column) ,
threw an arithmetical overflow error with the message :
Message
Arithmetic overflow...
2012-01-06
1,253 reads
SQL Server Disable Indexes and Rebuild Indexes dynamically
To generate the ALTER INDEX..DISABLE and the ALTER INDEX..REBUILD statements for all nonclustered indexes for a single table use the...
2012-01-05
1,168 reads
SQL SERVER REBUILD INDEX
Use the script below to rebuild an index on a table
ALTER INDEX MY_INDEX_NAME on MY_TABLE_NAME REBUILD ;
Check SQL Server...
2012-01-04
1,044 reads
SQL SERVER DISABLE INDEX
Use the script below to disable an index on a SQL Server table
ALTER INDEX MY_INDEX_NAME on MY_TABLE_NAME DISABLE;
Executing the...
2012-01-03
1,438 reads
SQL Index Fragmentation and sys.dm_db_index_physical_stats
Fragmentation of an index can severely affect performance. When logical ordering of the key within a page does not match...
2012-01-02
1,001 reads
SQL Server DBA – Grow as a DBA
It’s the first day of 2012. Setting New Year Resolutions is often a futile activity – and resolutions I’ve set in...
2012-01-01
397 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Forums
Missing the Jaro Winkler Distance
Comments posted to this topic are about the item Missing the Jaro Winkler Distance
25 Years Later: What SQLServerCentral Meant to Me
Comments posted to this topic are about the item 25 Years Later: What SQLServerCentral...
Doing Good at SQL Server Central
Comments posted to this topic are about the item Doing Good at SQL Server...
Question of the Day
Missing the Jaro Winkler Distance
I upgraded a SQL Server 2019 instance to SQL Server 2025. I wanted to test the fuzzy string search functions. I run this code:
SELECT JARO_WINKLER_DISTANCE('tim', 'tom')
I get this error message:Msg 195, Level 15, State 10, Line 1 'JARO_WINKLER_DISTANCE' is not a recognized built-in function name.What is wrong? See possible answers