Loading...

Data Analytics

4,308 learners

Advanced Query Techniques and Conditional Logic in SQL

This course is designed to help you deepen your SQL expertise, focusing on mastering subqueries, AND/OR logical operators, and conditional statements like LIKE, IN, and BETWEEN. Ideal for those with a basic understanding of SQL, looking to enhance their data querying capabilities.

MySQL

See path

4 lessons

21 practices

1 hour

Data Querying and Retrieval

Lessons and practices

Lesson 1: Mastering Logical Operators: The Art of Data Filtering with AND/OR in SQL

Fixing SQL Queries with Logical Operators

Mastering Logical Operators in SQL Queries

Using OR Operator in SQL Queries

Fixing Logical Errors in SQL Queries

Filtering Songs Using Logical Operators

Lesson 2: Mastering SQL Conditional Operators: Harnessing LIKE, IN, and BETWEEN

Fix the Bug: SQL Query Mishap

Fetching Songs from Specific Albums

Fetch Songs from Specific Albums

Mastering the BETWEEN Operator in SQL

Fixing the SQL Query Mishap

Retrieving Songs Within Specific Duration Range

Lesson 3: Mastering Subqueries for Elevated Data Analysis

Fixing Subqueries: Retrieving High Energy Songs

Subqueries with Average Function in Real World Situation

Filtering Songs by Energy and Danceability Using Subqueries

Fixing a Subquery for Energy Analysis

Mastering Subqueries: Songs Above Average Energy

Lesson 4: Mastering Conditional Logic with IF and CASE Statements in SQL

Fixing Errors in Song Popularity Categorization

Implementing Conditional Logic in SQL

Classifying Song Energy Levels with SQL

Unraveling SQL Query Bug

Categorizing Song Energy Levels in an Album

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.