Calculating Quartiles with DAX and Power BI
Like many of my blog posts, this post is inspired by some work I was doing with a customer who...
2018-09-18 (first published: 2018-08-31)
4,151 reads
Blog Posts
Check if any database has auditing configured
Here is a DMV script to check whether a or any database has the auditing configured and running, along with...
2018-09-18
762 reads
ExpressRoute and VPNs in Azure
In this edition of Azure Every Day, I’d like to discuss networking and interacting between your data center and Azure....
2018-09-18
249 reads
Extracting JSON Values Longer Than 4000 Characters
Watch this week's video on YouTube
A while back I built an automated process that parses JSON strings into a relational format.
Up until recently this process had been working great:...
2018-09-18
12 reads
Extracting JSON Values Longer Than 4000 Characters
A while back I built an automated process that parses JSON strings into a relational format.
Up until recently this process...
2018-09-18
1,591 reads
Extracting JSON Values Longer Than 4000 Characters
Watch this week's video on YouTube
A while back I built an automated process that parses JSON strings into a relational format.
Up until recently this process had been working great:...
2018-09-18
9 reads
Find Most executed queries
SELECT TOP 50
QueryState.execution_count
,OBJECT_NAME(objectid)
,query_text = SUBSTRING(
qt.text,
QueryState.statement_start_offset/2,
(CASE WHEN QueryState.statement_end_offset = -1
THEN len(convert(nvarchar(max), qt.text)) * 2
ELSE QueryState.statement_end_offset
END - QueryState.statement_start_offset)/2)
,qt.dbid
,dbname = db_name(qt.dbid)
,qt.objectid
FROM sys.dm_exec_query_stats QueryState
CROSS APPLY sys.dm_exec_sql_text(QueryState.sql_handle) as qt
ORDER BY...
2018-09-18
2,103 reads
Find Orphaned databases in SQL Server
Do you ever wonder if there are any databases in your environment that may just be there but not being...
2018-09-18
182 reads
Get all queries running against any specific table
/*Get list of all queries hitting any specific tables*/SELECT DISTINCT TOP 100ProcedureName = OBJECT_SCHEMA_NAME(sqlTxt.objectid) + '.' + OBJECT_NAME(sqlTxt.objectid),SQLStatement = SUBSTRING(sqlTxt.Text,(QueryState.statement_start_offset/2)+1,CASE QueryState.statement_end_offsetWHEN -1 THEN DATALENGTH(sqlTxt.text)ELSE QueryState.statement_end_offsetEND...
2018-09-18
3,882 reads
New Whitepaper: Architecting Microsoft SQL Server on VMware vSphere
(Be sure to checkout the FREE SQLpassion Performance Tuning Training Plan - you get a weekly email packed with all the...
2018-09-18
382 reads
Blogs
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
T-SQL Snapshot Backups on Availability Group Secondary Replicas
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
The Book of Redgate: Hours
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
Forums
Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
AI Experience Gap that we keep talking about
Comments posted to this topic are about the item AI Experience Gap that we...
Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers