@jessramosdata: SQL in 60 Ep. 5 Joins Joins in SQL are a way to combine multiple datasets (sometimes from multiple data sources) into 1 output. A lot of times, business problems can be very complex and require multiple datapoints put together into the same query or output. Imagine you want to combine order data with customer data and product data to create some metrics and calculations. That would likely require combining 3 tables: orders, customers, and product. Joins use a common key, or column, to match up each row to the rows in the other tables. They get zipped up together and combined horizontally into 1 result set. You can use that joined result set to perform even further transformations and analyses. Joins are the backbone of data and SQL, so you better learn them 👏🏼 #sql #dataanalytics #datascience #data #coding #tech

Jess Ramos - Big Data Energy⚡️

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Wednesday 06 August 2025 23:03:42 GMT