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Adding (Insert or update if key exists) option to `.to_sql` · Issue #14553 · pandas-dev/pandas · GitHub
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PostgreSQL Exists with Select, Insert, Update & Delete Example
Postgresql Tutorials | Insert on Conflict in Postgresql | insert ,update in single query in postgres - YouTube
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Insert Row if Values Don't Already Exist in Postgresl
SQL Optimizations in PostgreSQL: IN vs EXISTS vs ANY/ALL vs JOIN
