Learn SQL - Deepstash

Learn SQL

Structured Query Language (SQL) is used for extracting and communicating with large databases. One should focus on understanding the different types of normalization, writing nested queries, using co-related questions, group-by, performing join operations, etc., on the data and extract in raw format. This data will then further be cleaned either in Microsoft Excel or by using Python libraries.

  • Freecodecamp SQL (Recommended)
  • Intro To SQL By Kaggle (Recommended)
  • Advanced SQL By kaggle
  • Edureka’s SQL Playlist

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