SQL Server Threats
Is your SQL Server truly secure? Here are the top cyber threats targeting it. Learn how you can stop them before it strikes.
2025-09-02 (first published: 2025-08-07)
3,235 reads
Is your SQL Server truly secure? Here are the top cyber threats targeting it. Learn how you can stop them before it strikes.
2025-09-02 (first published: 2025-08-07)
3,235 reads
TEXT, NTEXT, and IMAGE columns have been deprecated for nearly two decades, yet they still silently haunt many SQL Server environments. This article explains their hidden limitations with practical demos and shows why migrating to VARCHAR(MAX), NVARCHAR(MAX), and VARBINARY(MAX) is critical for modern performance, maintainability, and future upgrades.
2025-09-02 (first published: 2025-08-06)
3,579 reads
In web app development company boardrooms, architects and engineers are debating old assumptions. Scaling up isn’t just about faster servers or better caching anymore. It’s about reshaping how systems think. CQRS (Command Query Responsibility Segregation) and Event Sourcing are no longer fringe ideas. They’re becoming default choices in high-concurrency systems where consistency, auditability, and performance […]
2025-09-02 (first published: 2025-08-06)
739 reads
2025-08-06
1,861 reads
Agentic AI is often hailed as a game-changer by organizations, bringing autonomous decision-making, intelligent automation, and powerful predictive capabilities. However, as organizations rush to leverage these technologies, those dealing with critical data in relational databases, documents and datasets, especially personally identifiable information (PII) face a harsh reality: moving AI projects from proof-of-concept to production is […]
2025-08-06
166 reads
Evolution of code The thing with any bit of code that has been around for a while, is that when change comes along, the tendency is to cater for the change by adding new stuff, while nothing gets taken away. Some stuff has definitely been taken away from this Date Dimension, but some historical artefacts […]
2025-09-02 (first published: 2025-08-05)
3,076 reads
2025-08-05
1,830 reads
Page splits are an often-overlooked performance killer in SQL Server. In this article, we take a forensic look at how serial inserts differ from mid-table inserts, revealing why inserting rows out of order causes hidden page splits, increased IO, and fragmentation. Using a wide-column table, we demonstrate both scenarios and decode their impact with page-level analysis.
2025-09-02 (first published: 2025-08-05)
2,814 reads
When you run a CI/CD pipeline, you often need confidential values like passwords, authentication tokens, service principal secrets etc. when you want to deploy a certain artefact. You don’t want to store those secrets directly in your pipelines as this might pose a considerable security leak. Instead, you either store them as secret variables, or […]
2025-09-02 (first published: 2025-08-04)
1,507 reads
2025-09-02 (first published: 2025-08-04)
1,033 reads
By Steve Jones
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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) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers