INTERVIEW QUESTION - DATA CLEANING with SQL using Common Table Expressions (CTE) .

In this tutorial, we'll demonstrate effective data cleaning techniques using Common Table Expressions (CTE) in SQL. By leveraging CTEs, we'll address issues such as missing values, duplicates, and inconsistencies, ensuring a step-by-step guide to enhance data quality and integrity for more accurate and reliable analyses Download the dataset, scripts, and solution: https://github.com/Rruhid/sql_data/blob/master/sql_interview_8.txt WATCH MORE VIDEOS 👇: ✔ SQL INTERVIEW QUESTIONS AND SOLUTIONS: https://www.youtube.com/playlist?list=PLLBKsoEevn1UtUY9US036ReZg0PNNBXi9 ✔ COMPLETE SQL TUTORIAL FOR BEGINNERS: https://www.youtube.com/playlist?list=PLLBKsoEevn1W84Wc-yJEZDLy_z-mpuhuF ✔ PANDAS INTERVIEW QUESTIONS: https://www.youtube.com/playlist?list=PLLBKsoEevn1XS54UoVMkwWXYJLCGu95Pk ✔ SALES ANALYSES PROJECT USING PANDAS: https://www.youtube.com/playlist?list=PLLBKsoEevn1VEqSzBsdf18rqyZ8oUXIpz ✔DATA ANALYSIS WITH PANDAS (PYTHON): https://www.youtube.com/playlist?list=PLLBKsoEevn1UspwuJPLLAlTx7d1-VFm9S ✔ PYTHON FOR DATA ANALYSIS: https://www.youtube.com/playlist?list=PLLBKsoEevn1VkRd1CBmf8pb9rzqFu_FOQ ✔ EXCEL FOR DATA ANALYSIS: https://www.youtube.com/playlist?list=PLLBKsoEevn1VQolQpIThh-x0YwFQ5Hfgb sql interview questions and answers sql interview questions sql interview sql interview questions and answers for fresehers sql interview questions and answers for experienced SQL Interview SQL Problem-Solving sql query interview questions and answers sql query SQL,sql interview,sql queries and solutions,SQL Interview,Data Analyst Interview,data from zero to hero sql questions,sql query,practice sql queries,sql queries,tricky sql question,sql interview questions and answers,sql interview questions,sql interview problem,sql query solutions,real sql interview,tricky sql query,sql interview questions for beginners,top sql interview qestions and answers,top 5 sql interview queries,top sql interview queries Are you interested in pursuing a career as a Data Analyst? This channel is dedicated to providing you with the knowledge and skills required to kickstart your career or transition into the field of Data Analytics. Don't forget to subscribe so you don't miss any of our valuable content! Subscribe. Contact Me: Linkedin: https://www.linkedin.com/in/ruhid-shihkerimov Gmail: [email protected]