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Database Systems

SELECT

Explore the SELECT statement in SQL to retrieve data efficiently from databases.
Goal:
Learn how to retrieve data.
3Lessons
6Micro-lessons
IntermediateDifficulty
Lesson 1

Understanding SELECT

Dive into the basics of the SELECT statement and its components.
Start2 Micro-lessons

Micro lesson 1
Basic Syntax
Micro lesson 2
Filtering Data
Lesson 2

Advanced SELECT Techniques

Learn advanced techniques to refine data retrieval using SELECT.
Start2 Micro-lessons

Micro lesson 1
Using Joins
Micro lesson 2
Aggregation Functions
Lesson 3

Troubleshooting SELECT Queries

Identify and fix common issues in SELECT queries.
Start2 Micro-lessons

Micro lesson 1
Common Errors
Micro lesson 2
Optimizing Performance