SQL Window Functions| Lead & Lag | For Beginners | Data Analysis, Data Science, & Engineering

In this tutorial, you'll learn how to effectively use SQL Window Functions, specifically the Lead and Lag functions, which are essential for advanced data analysis. Whether you're a beginner in Data Science, Data Analysis, or Data Engineering, this video will walk you through these powerful tools step by step. Client List data - https://docs.google.com/spreadsheets/d/11Hc56MfroYSWD3cRB8rO6m7_F80X08ndi26V3rrZtNs/edit#gid=0 Purchase records data - https://docs.google.com/spreadsheets/d/1LHKPP9oW1oZnviwgPwwOYwiqtt199UCL4_k2wy__Xqg/edit#gid=0 Debits data - https://docs.google.com/spreadsheets/d/1zvnnnydpBXuYuzm6is6NcOQ-FlvGNH9iNR2kW_stJ98/edit#gid=0 How to import an Excel File(CSV) on to MySQL - https://www.youtube.com/watch?v=UOqKx8RGwDU&list=PLq4C_O0UP63JUsPshexBNee9FCYrqjqoj