Let’s start by defining a subset and why you would require a data subset? When dealing with the development, testing and releasing of new versions of an existing production database, developers like to use their existing production data.
2024-05-10
Learn about using filtered indexes for SQL Server tables and some of the potential issues you might be faced with when using a filtered index.
2024-05-08
Learn how to query data in Azure Data Explorer using Python.
2024-05-06
651 reads
In my previous post, I showed how to borrow a snake draft concept from fantasy football, or a packing technique from the shipping industry, to distribute different portions of a workload to run in parallel.
2024-05-06
Azure Data Studio (ADS) is a lightweight IDE built on Visual Studio Code. I've written a few articles on how the tool works, and this one continues the series. In this article, I want to look at the database dashboards and how you can customize them. The other articles in this series on ADS works […]
2024-05-03
2,180 reads
In this article, we look at how to setup different ways to handle pipeline failures and notifications when working with Azure and Azure Data Factory.
2024-05-03
This article explains metadata driven pipelines and shows an example in Microsoft Fabric.
2024-05-01
2,051 reads
I recently had a restore job where I needed to split the work up into multiple parallel processes (which I’ll refer to here as “threads”). I wanted to balance the work so that the duration was something significantly less than the sum of the restore times
2024-05-01
This article shows how to import and export a list of registered servers from SSMS.
2024-04-29
1,003 reads
Learn how to use different Spark SQL string functions to manipulate string data with explanations and code examples.
2024-04-29
By Steve Jones
Recently I’ve been looking at archiving some data at SQL Saturday, possibly querying it,...
By Brian Kelley
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By Zikato
In SQL Server, using the KILL command to terminate a session results in an...
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Development Environment I am learning how to use pyodbc and accessing database in SQL...
We are seeing multiple frequent deadlocks occurring with the following extract of code, which...
I want to enable two trace flags, 4199 and 4137, for a single query. How should I do this:
-- A
SELECT
a.AddressID
, a.AddressLine1
, a.AddressLine2
, a.City
, a.StateProvinceID
, a.PostalCode
, p.FirstName
, p.LastName
FROM
Person.Address a
INNER JOIN person.Person AS p
ON p.rowguid = a.rowguid
WHERE
City = 'SEATTLE'
AND PostalCode = 98104
OPTION (QUERYTRACEON 4199, 4137);
-- B
SELECT
a.AddressID
, a.AddressLine1
, a.AddressLine2
, a.City
, a.StateProvinceID
, a.PostalCode
, p.FirstName
, p.LastName
FROM
Person.Address a
INNER JOIN person.Person AS p
ON p.rowguid = a.rowguid
WHERE
City = 'SEATTLE'
AND PostalCode = 98104
OPTION (QUERYTRACEON 4199, QUERYTRACEON 4137);
-- C
SELECT
a.AddressID
, a.AddressLine1
, a.AddressLine2
, a.City
, a.StateProvinceID
, a.PostalCode
, p.FirstName
, p.LastName
FROM
Person.Address a
INNER JOIN person.Person AS p
ON p.rowguid = a.rowguid
WHERE
City = 'SEATTLE'
AND PostalCode = 98104
OPTION (QUERYTRACEON 4199), (QUERYTRACEON 4137);
See possible answers