SQLSQL Basics & IntroductionALTER TABLE — Rename, Add, Modify, and Drop Columns
SQL Basics & Introduction
ALTER TABLE — Rename, Add, Modify, and Drop Columns
Learn how to modify existing tables in PostgreSQL using ALTER TABLE — rename columns, add new columns, change data types, and drop columns with practical examples.
7 min readBeginner
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Founder of Data Vidhya. 8+ years building production data pipelines. Trained 25,000+ data engineers across SQL, Spark, dbt, Airflow, and cloud platforms.
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