Subqueries Courses and Certifications

Data Manipulation in SQL

1 rating

Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.

• DataCamp
• 4 hours
• Self-Paced
• Free Trial Available

Intermediate SQL

349 ratings at CreativeLive

Master intermediate SQL skills—outer joins, NULL handling, data grouping, and statistical calculations—to analyze and filter data with greater depth and efficiency.

• CreativeLive
• 6 hours
• 28th Jul, 2026
• Paid Course

SQL Bootcamp

247 ratings at CreativeLive

Master SQL with PostgreSQL by writing queries to extract insights from databases, covering filtering, joins, aggregates, window functions, subqueries, and AI integration through hands-on exercises.

• CreativeLive
• 10 hours
• Self-Paced
• Paid Course

Advanced SQL

247 ratings at CreativeLive

Master advanced SQL techniques including CASE statements, string functions, and subqueries to dynamically query and manipulate data with precision.

• CreativeLive
• 6 hours
• 29th Jul, 2026
• Paid Course

Career Certificate

Unlocking Data Insights with PostgreSQL

231 ratings at CodeSignal

Master PostgreSQL's data analysis capabilities, from basic SQL queries to advanced functions, joins, and conditional logic. Transform raw data into meaningful insights using this powerful open-source database system.

• CodeSignal
• 6 hours
• Self-Paced
• Free Certificate
• 4 courses

Databricks

What's New in PySpark - TVFs, Subqueries, Plots, and Profilers

Explore PySpark's latest features including table-valued functions, subqueries, lateral joins, plotting tools, and profiling capabilities for enhanced data workflows.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Ben Awad

Counting Votes with Subqueries - Database Management Tutorial

Learn to execute subqueries for counting votes on suggestions, enhancing your database querying skills in a practical, hands-on coding session.

• YouTube
• 54 minutes
• Self-Paced
• Free Video

Master SQL For Data Science

15601 ratings at Udemy

Become a SQL query wizard and never be afraid to look at a large SQL query again!

• Udemy
• 9 hours 28 minutes
• Self-Paced
• Paid Course

Advanced Query Techniques and Conditional Logic in SQL

Master advanced SQL querying techniques, from logical operations to complex subqueries, enhancing your data analysis capabilities and problem-solving skills with sophisticated database operations.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Advanced Query Techniques and Conditional Logic in SQL

Master advanced SQL querying with complex subqueries, conditional logic, and sophisticated data analysis techniques. Learn to write efficient queries using AND/OR operations, LIKE, IN, BETWEEN, and IF functions.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Advanced Query Techniques and Conditional Logic in PostgreSQL

Master advanced PostgreSQL querying with subqueries, logical operators, and conditional statements to enhance your data analysis and manipulation capabilities.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Career Certificate

Microsoft Access Level II

Master advanced database management with complex queries, relational design, data validation, and sophisticated reporting techniques to handle intricate datasets efficiently.

• Graduate School USA
• Self-Paced
• $325.00

Career Certificate

SQL Bootcamp Online

Master SQL by writing queries, joining tables, aggregating data, and filtering results using PostgreSQL—skills transferable to SQL Server and MySQL.

• VDCI
• 18 hours
• Self-Paced
• $975.00

Advanced Query Techniques and Conditional Logic in SQL

1 rating

Master advanced SQL querying with subqueries, logical operators, and conditional statements to effectively filter, analyze, and categorize data through hands-on practice with real-world music database examples.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

The Structured Query Language (SQL)

1142 ratings at Coursera

Learn to retrieve, analyze, and manipulate data using SQL commands. Master SELECT statements, joins, group functions, and advanced techniques for effective database management and reporting.

• Coursera
• 1 day 3 hours 4 minutes
• Self-Paced
• Paid Course