System Reserved Partition and monitoring
On Windows 2008 R2 , a System Reserved Partition is created. It is 100 MB and acts as a preparatory step...
2011-12-02
1,035 reads
- Interests: Performance Tuning Database Servers, Running and Coffee
SQL Table variable and temporary table
Table variables and Temporary tables are used interchangeably – but they were designed for different purposes.
Temporary tables were designed for storage...
2011-12-01
1,757 reads
SQL Dirty Pages
Lazy writing , eager writing and checkpoint use asynchronous IO in writing pages to disk. The purpose of asynchronous IO is...
2011-11-28
12,257 reads
Data Loading Performance Guide
Bulk loading with large amounts of data requires strategy. The Data Loading Performance Guide for SQL Server 2008 and SQL...
2011-11-26
3,598 reads
MS DTC and sys.dm_tran_active_transactions
A sql reindex command was being blocked by two active transactions in MS DTC. Use
sys.dm_tran_active_transactions to report more detail on...
2011-11-24
2,224 reads
ALTER INDEX permissions
Developers like to have some control over the development process. An example is index building. Asking aDBA repeatedly for changes ...
2011-11-23
1,059 reads
Monitoring a Rollback and sys.dm_exec_requests
The dynamic management view (DMV) sys.dm_exec_requests returns information about each request that is executing within SQL Server.
Instead of using Activity...
2011-11-22
1,453 reads
Quotename in SQL
Quotename() is a SQL Server String function.
It accepts an input string of of up to 128 characters. Which is a...
2011-11-15
8,082 reads
DBCC CHECKDB
Torn Pages \ Corrupt pages – all in a days work for a DBA. But can anyone tell me how to use...
2011-11-14
27,836 reads
Stored Procedure Checklist
DBAs find it easier to manage large Database Server environments when checklists are used. This Stored procedure checklist will stimulate...
2011-11-10
2,996 reads
Blogs
Presenting with Visual Studio Code
A while back I wrote a quick post on setting up key mappings in...
Advice I Like: In 100 Years
By Steve Jones
In 100 years a lot of what we take to be true now will...
dataMinds Saturday 2026 – Slides
At Saturday the 21st of February I’m presenting an introduction to dimensional modelling at...
Forums
AllocationType as ROW_OVERFLOW_DATA
Hello, I inherited a number of tables with like 20-30 column using nvarchar(256) in...
is it true we cant debug c# scripts in ssis anymore under vs
Hi, i'm running vs2022. I'm trying out a c# script that i'd like to...
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