Data governance must be included in DevOps practices. William Brewer explains how to define business policies and standards to ensure compliance with privacy regulations and bring data governance to...
2018-06-29
2,318 reads
Choose the right BI tool by learning about the different strengths of the Microsoft analysis and reporting tools. Microsoft provides a variety of BI tools that can address key workloads, such as Power BI and Excel. The article discusses the workloads and the tools that best support each workload.
2018-06-29
3,416 reads
In this tip, you will be walked through a method to calculate MTD, QTD, YTD and running total in Power BI. This method is useful in stock calculations and balance sheet calculations.
2018-06-28
3,361 reads
T-SQL window functions were introduced in 2005 with more functionality added in 2012. Many database professionals are not aware of these useful functions. In this article, Kathi Kellenberger provides a quick overview of just what a window function is as well as examples of each type of function.
2018-06-28
4,353 reads
This white paper illustrates how Microsoft SQL Server Integration Services (SSIS) can be used in conjunction with commodity hardware or virtual machines running in Microsoft Azure to build elastic, highly available, and highly scalable ETL solutions.
2018-06-27
2,592 reads
Data breaches make the news on an almost daily basis. There is no turning back, however, as we are firmly entrenched in this digital way of life. Brian Kelley discusses some of the reasons data breaches occur and what we can do to prevent them.
2018-06-26
3,121 reads
SQL Server 2014 introduces the first major redesign of the SQL Server Query Optimizer cardinality estimation process since version 7.0. The goal for the redesign was to improve accuracy, consistency and supportability of key areas within the cardinality estimation process, ultimately affecting average query execution plan quality and associated workload performance. This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.
2018-06-26
2,974 reads
Power BI Desktop is the free tool from Microsoft for developing in Power BI. In this article, Robert Sheldon walks you through importing and manipulating data with the Query Editor in Power BI Desktop.
2018-06-25
3,270 reads
In this tip we look at how we can use Python and SQL Server 2017 to send alerts from SQL Server to Slack messaging service.
2018-06-25
2,903 reads
Stuffing table variables with hard-coded values to demonstrate concurrency.
2018-06-22
2,793 reads
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
Quite the title, so let me set the stage first. You have an Azure...
hi everyone I am not sure how to write the query that will produce...
Comments posted to this topic are about the item Rollback vs. Roll Forward
Comments posted to this topic are about the item Foreign Keys - Foes or...
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers