LinkedIn

CTE, Temp Table, View, Materialized View — When to Use Which

A CTE is a named subquery. Not a table, not a cache, not storage. Many treat CTEs as "compute once, reuse anywhere," but that's not how they work. This article draws clear boundaries for each tool and ...
Security Boulevard

The Attack Helix: Praetorian’s AI & Economic Architecture for Offensive Security

One person. Two AI subscriptions. Ten government agencies. 150 gigabytes of sovereign data. In December of 2025, a single unidentified operator used Anthropic’s Claude and OpenAI’s ChatGPT to breach ...
LinkedIn

Nested Loop vs Hash Join: Why Choosing the Wrong Join Can Kill Your Query

In the world of SQL tuning, join methods can make or break performance. Two of the most common join strategies used by Oracle are: Nested Loop Join – efficient for small outer row sets and indexed ...
GitHub

v_generate_user_grant_revoke_ddl.sql

Steps to revoking grants before dropping a user: 1. Find all grants by granted by user to drop and regrant them as another user (superuser preferably). select regexp_replace(ddl,grantor,'<superuser>') ...
GitHub

SQL-R1: Training Natural Language to SQL Reasoning Model By Reinforcement Learning

Natural Language to SQL (NL2SQL) enables intuitive interactions with databases by transforming natural language queries into structured SQL statements. Despite recent advancements in enhancing ...