Phase 6 · SQL Databases
TopicsSQL Basics (SELECT, INSERT, UPDATE, DELETE)
Part of the Backend Developer Roadmap.
Summary
The four fundamental SQL operations for reading and writing data — the vocabulary you'll use constantly no matter which relational database or ORM you work with.
How to Learn This
- 1Practice each of the four operations against a local database with sample data.
- 2Learn `WHERE`, `ORDER BY` and `LIMIT` clauses alongside `SELECT`.
- 3Write a query combining filtering, sorting and pagination together.
More topics in SQL Databases
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