This course will help you prepare for your next SQL coding interview. Various problem statements have been provided to evaluate your knowledge and learn to write perfect queries quickly.
The course starts with interview questions on basic CRUD queries. Afterward, interview questions involving different SQL functions, including aggregate and date and time functions, are posed. Then, questions related to data grouping and sorting are presented. Toward the end of the course, more challenging questions related to joins and subqueries are provided.
After completing this course, you will approach your SQL interview with boosted confidence and the ability to address the interview questions with clarity and precision.
This course will help you prepare for your next SQL coding interview. Various problem statements have been provided to evaluate ...Show More
WHAT YOU'LL LEARN
An understanding of interview questions regarding SQL
Hands-on exercises to practice your skills
The ability to solve coding problems with different techniques
Familiarity with different SQL functions
A working knowledge of combining SQL queries
An understanding of interview questions regarding SQL
Show more
TAKEAWAY SKILLS
Learning Roadmap
2.
CRUD Operations
CRUD Operations
Unpack the core of inserting, updating, and deleting records in SQL.
3.
Aggregate Functions
Aggregate Functions
8 Lessons
8 Lessons
Examine SQL aggregate functions for summing, averaging, finding minimum/maximum values, and counting records.
4.
Date and Time Functions
Date and Time Functions
4 Lessons
4 Lessons
Grasp the fundamentals of extracting, formatting, and calculating date and time values in SQL.
5.
Filtering
Filtering
4 Lessons
4 Lessons
Solve problems in filtering SQL records using WHERE and LIKE clauses effectively.
6.
Grouping
Grouping
4 Lessons
4 Lessons
Follow the process of grouping data using SQL GROUP BY with aggregate functions.
7.
Sorting
Sorting
4 Lessons
4 Lessons
Practice using SQL sorting commands, filtering, aggregation, and handling NULL values.
8.
Constraints
Constraints
8 Lessons
8 Lessons
Step through SQL constraints, ensuring data integrity with NOT NULL, UNIQUE, PRIMARY, and FOREIGN KEY constraints.
9.
Working with JOINs
Working with JOINs
8 Lessons
8 Lessons
Get started with mastering SQL JOIN operations to combine and retrieve data across multiple tables.
10.
Subquery
Subquery
4 Lessons
4 Lessons
Break apart essential subquery techniques and calculations for effective SQL querying.
Certificate of Completion
Showcase your accomplishment by sharing your certificate of completion.
Complete more lessons to unlock your certificate
Developed by MAANG Engineers
Trusted by 2.9 million developers working at companies
"These are high-quality courses. Trust me the price is worth it for the content quality. Educative came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"
Anthony Walker
@_webarchitect_
"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"
Evan Dunbar
ML Engineer
"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."
Software Developer
Carlos Matias La Borde
"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"
Souvik Kundu
Front-end Developer
"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."
Vinay Krishnaiah
Software Developer
Hands-on Learning Powered by AI
See how Educative uses AI to make your learning more immersive than ever before.
AI Prompt
Code Feedback
Explain with AI
AI Code Mentor
Free Resources
