Master Generative AI with 10+ Real-world Projects in 2025!
Master SQL string functions—essential for text manipulation in databases. From concatenation to substring extraction, optimize your database.
Learn the key concepts of conditional aggregation in SQL with practical examples and advanced techniques for better data analysis.
Learn how to quickly clean and update your database using the SQL REPLACE function. Swap out substrings, fix typos, and more.
Learn how to implement normalization with SQL to optimize database design, reduce redundancy, and improve data integrity.
Learn how SQL integrity constraints—entity, domain, referential, and check—ensure data accuracy and consistency, prevent anomalies, and more.
Learn how SQL aliases can boost your query readability by assigning temporary nicknames to tables and columns. Explore use cases, and more.
Master PySpark with our top 30 PySpark interview questions for 2026, covering transformations, features, RDD vs DataFrame, and more.
Master transaction management in SQL by understanding the differences between the COMMIT command and ROLLBACK command.
Explore TCL (Transaction Control Language) commands in SQL, their role in managing transactions, and ensuring data integrity.
Learn how SQL DESCRIBE command lets you explore table structures, understand column details, write accurate queries and more.
Edit
Resend OTP
Resend OTP in 45s