Articles

SQLServerCentral Article

Getting In: Running External Code in a Locked-Down PaaS

In Part 1, I explored how to bend SQL Server Agent to our will and peek under the hood of Azure SQL Managed Instance (SQL MI), gaining full OS access to the container (all without relying on xp_cmdshell). But once I realized what kind of door I'd opened, curiosity pushed us further, tempting us to […]

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2025-07-17 (first published: )

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SQLServerCentral Article

Cassandra Springboot Integration With Redis

Article Overview In this article we will learn how to integrate a Spring boot application with Apache Cassandra database and Redis cache. This is an extension to one of our previous articles which demonstrates the steps to set up Apache Cassandra and how to integrate is with Springboot, link shared below. https://www.sqlservercentral.com/articles/cassandra-springboot-integration In this tutorial […]

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2025-07-14 (first published: )

55 reads

SQLServerCentral Article

Revolutionizing Efficiency: The Power of Custom Automation Software Development

With the ever-increasing pace of the digital era, companies are continuously looking for opportunities to enhance efficiency, cut costs, and optimize operations. The most viable way to accomplish these is through Custom Automation Software Development.

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2025-07-11

451 reads

SQLServerCentral Article

Cloning Master Admin User Permissions in Amazon RDS for SQL Server with Fine-Grained Control

This article explores how to securely clone the master user permissions in Amazon RDS for SQL Server using a custom stored procedure, usp_rds_clone_login. It outlines a step-by-step process to generate, review, and apply a script that replicates server- and database-level access from the master user to a new login without directly exposing elevated credentials. The guide emphasizes the principle of least privilege, supports named account management, and enables transparent, auditable permission handling for DBAs and applications. Designed for secure and scalable environments, this solution enhances operational security while maintaining administrative flexibility in Amazon RDS.

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2025-07-09

520 reads

SQLServerCentral Article

PostgreSQL Aggregate Functions

Overview In this article we will go through the various in built aggregate functions available in PostgreSQL. Aggregate functions perform a calculation on a set of rows and return a single value. COUNT Function The COUNT function is a simple and very useful function in counting the number of records, which are expected to be […]

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2025-07-09

414 reads

SQLServerCentral Article

Unmasking CXPACKET and CXCONSUMER in SQL Server: What Your Execution Plan Isn’t Telling You

This article dives deep into cxpacket and cxconsumer in sql server, explaining how to simulate each, when they appear, and why they matter. Using live execution plans, wait monitoring, and worker thread diagnostics, we uncover how uneven parallelism triggers thread sync waits—and how SQL Server sometimes hides real issues behind innocent-looking CXCONSUMER waits. Includes step-by-step queries, tuning tips, and a real-world scenario where repartition streams quietly ruined performance.

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2025-07-07

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Question of the Day

Strange String Splits

When I run this code, how many rows are returned?

DECLARE @meals NVARCHAR(1000) = N'夕食昼食朝食'
DECLARE @s NVARCHAR(1) = N'食'
SELECT value
FROM STRING_SPLIT(@meals, @s)
GO

See possible answers