A Overview of Amazon Redshift
This article gives an overview of Amazon Redshift, the cloud data warehouse in AWS.
2023-07-24
25,610 reads
Articles
DAX RANKX Function Behaviors Lead to Incorrect Results and Corrections
In this tip, we explore two behaviors for the DAX RANKX function that can lead to incorrect results and discuss workarounds and fixes.
2023-07-24
PASS Data Community Summit - Early Bird price ends July 26
Ready to secure your spot at PASS Data Community Summit? Register by July 26 at the Early Bird rate.
2023-07-24
Exploring Parameter Sensitive Plan Optimization in SQL Server 2022
PSPO (Parameter Sensitive Plan Optimization) is a SQL Server feature that improves query performance by accepting varied data sizes based on the runtime parameter value(s) specified by the customer. It deals with the situation in which a single cached plan for a parameterized query isn't the best option for all potential incoming parameter values. Non-uniform data distributions exhibit this phenomenon. When using PSPO, SQL Server keeps several execution plans for a single query, each one customized for a particular parameter value. With the help of this feature, numerous execution plans for a parameterized query are generated, each of which is tailored for a certain range of parameter values.
2023-07-21
4,661 reads
PASS Data Community Summit - Early Bird price ends July 26
Ready to secure your spot at PASS Data Community Summit? Register by July 26 at the Early Bird rate.
2023-07-21
SQL Server vs Oracle Query Statistics to Improve Performance
In this article, learn how to query cached query statistics and execution plans for Oracle or SQL Server to identify code that can be optimized to improve performance.
2023-07-21
PASS Data Community Summit
Check out the full details for this year's Pre-Cons and Learning Pathways, and find out why some of our speakers are particularly excited for what’s in store this year. If you’re not already on the mailing list, sign up now and be the first to know all Summit 2023 updates.
2023-07-19
The role of forethought for a computer engineer
If you have ever played a game of chess against someone good, or perhaps against a computer, you know that a good player is always thinking multiple moves ahead. Being a DBA and/or a database programmer is like playing several chess games simultaneously.
2023-07-19
Building a Database Dashboard with SSRS
Learn how to create a dynamic database dashboard that tracks key metrics using SQL Server Reporting Services. From setting up to deploying your report.
2023-07-17
7,920 reads
Power BI Data Gateway to Connect Data Sources in the Cloud and On-Premises
In this article, learn how to set up and use Microsoft Data Gateway to connect data sources from various locations such as cloud or on-premises.
2023-07-17
Blogs
ISACA AI Material/Exam Prep Discount (May 18 – June 30, 2026)
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If you are considering any of the ISACA AI certs like the Advanced Artificial...
A Fabric solution can be very cost effective
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Are you currently using Microsoft Fabric or considering migrating to it? If so, there...
Track SQL Server Configuration Changes Using the Error Log
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Track SQL Server Configuration Changes Using the Error Log If you...
Forums
SQL Server Showing Out of Space But Plenty of Drive Space
We have a SQL Server installed. We have a 500GB drive for the database....
Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers