Getting Started With SQL for Application Developers - Introduction
This is a lecture from the Cockroach University course “Getting Started with SQL for Developers.”
In this lecture, students are introduced to concepts such as polyglot persistence and the object-relational impedance mismatch. We will learn why it is essential to understand SQL, even if we use tools such as object-relational mappings (ORMs). Finally, we’ll outline the goals for the rest of the course.
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0:00 Evolution from SQL to NoSQL to SQL
00:44 What is polyglot persistence?
1:13 What is Object-Relational Impedance Mismatch?
1:15 What are Object-Relational Mappings (ORMs)?
2:41 Why ORMs should not define database schema
2:55 The issues with ORMs
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