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
1,860 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
962 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
2,656 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
1,276 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
1,259 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
1,178 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
1,049 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
1,452 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
1,009 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
409 reads
Blogs
T-SQL Tuesday #202: 100 Hours
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
T-SQL Tuesday
By alevyinroc
T-SQL Tuesday is a monthly blog party hosted by a different community member each...
Exploring DiskANN: Part 2: PQ, SSDs, caching and beam search
How I used AI for this postChatGPT to generate images based on info specifically...
Forums
Databricks Genie Spaces for SQL Analysts: Natural Language Querying Without Leaving Your Data Platform
Comments posted to this topic are about the item Databricks Genie Spaces for SQL...
The Costs of Multiple Platforms
Comments posted to this topic are about the item The Costs of Multiple Platforms
RegEx Functions II
Comments posted to this topic are about the item RegEx Functions II
Question of the Day
RegEx Functions II
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^d') AND BusinessEntityID IN (7,8)See possible answers