SQL Dialects Practical Guide
SQL Dialects for AI Automation (T SQL vs PL SQL vs PostgreSQL)
SQL is one universal language, but each database platform adds its own flavour. In this video, you will understand what SQL dialects are, why they exist, and which one you should focus on if you are learning automation, AI workflows, or backend development.
Although SQL follows an international standard, database vendors like Microsoft, Oracle and PostgreSQL introduce their own extensions. The good news is that the foundation remains the same everywhere. Once you learn one dialect, you instantly understand almost 90 percent of the others because core commands such as SELECT, FROM, WHERE, JOIN and GROUP BY never change.
In this session, we break down the three major SQL dialects:
• T SQL used in Microsoft SQL Server and Azure
• PL SQL used in Oracle Databases
• PL pgSQL used in PostgreSQL
You will learn the key differences in procedural logic, variable handling, functions and syntax. The aim is to help you identify which dialect aligns best with your learning path, especially if you are planning to build automations, data pipelines, analytics tools, or API integrations.
By the end of this video, you will know:
• What an SQL dialect is
• Why different dialects exist
• How much knowledge transfers across databases
• Which dialect you should master first
• Why T SQL is the most practical starting point for most learners working with Microsoft or Azure based tools
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