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SQLServerCentral Article

Connecting to PostgreSQL with Node.js

  • Article

Overview In this article, we will understand how we can connect to PostgreSQL using Node.js application. We will start with setting up PostgreSQL in our local system and perform basic CRUD operations to interact with the PostgreSQL database. Prerequisites To start with this, we need the following conditions to be met: Windows machine (or any […]

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2025-07-24

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SQLServerCentral Editorial

Why Podcasts Matter for the Technical Professional

  • Editorial

In a world of always-on learning and the relentless march of tech evolution, podcasts emerged as a quiet revolution in how I consume information.  I’ve been part of several podcasts this year, including recording one earlier today with Ed Roske for the Oracle community. As a data professional and technical specialist, for me they’re more […]

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2025-07-24

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SQLServerCentral Article

Taming Resource Hogs: Using SQL Server Resource Governor to Restrict User Group Consumption

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Taming Resource Hogs: Using SQL Server Resource Governor to Restrict User Group Consumption As a SQL Server professional, I've often encountered situations where a single, poorly written query or a resource-intensive application threatened to cripple the entire database server. Performance bottlenecks, unexpected slowdowns, and user complaints become the norm, making your life as a DBA […]

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2025-07-24

1,905 reads

SQLServerCentral Article

Database Architecture Considerations for Implementing Content Moderation Services

  • Article

Fellow SQL Server professionals, I wanted to share some insights and start a discussion about the database design challenges we face when implementing Content Moderation Services in enterprise applications. As more organizations build user-generated content platforms, the backend data architecture becomes critical for efficient moderation workflows. Database Design Challenges for Content Moderation Services Performance at […]

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2025-07-23

604 reads

SQLServerCentral Article

We Gave Memory-Optimized Tables a Hash Lookup — Then Tried Pattern Matching Instead

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Introduction It was the week before Black Friday — the biggest online ad rush of the year. Our US-based ad-tech platform was gearing up for an insane traffic spike. Hundreds of real-time campaigns were about to go live across multiple brands, each with thousands of user sessions flowing through our system. Every incoming user impression […]

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2025-07-22

2,487 reads

SQLServerCentral Article

Unlocking Interoperability: A Guide to Foreign Data Wrappers in PostgreSQL and Aurora PostgreSQL AWS RDS

  • Article

Unlocking Interoperability: A Guide to Foreign Data Wrappers in PostgreSQL and Aurora PostgreSQL AWS RDS As a database professional, I often encounter scenarios where data is fragmented across various systems. In today's distributed IT landscape, it's not uncommon for critical business information to reside in different databases, perhaps an on-premise PostgreSQL instance for legacy applications, […]

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2025-07-21

152 reads

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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) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers