UPSERT (INSERT ... ON CONFLICT/DUPLICATE) — Free SQL Tutorial

Learn UPSERT (INSERT ... ON CONFLICT/DUPLICATE) in SQL with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

UPSERT (INSERT ... ON CONFLICT/DUPLICATE) — Free SQL Tutorial

Learn UPSERT (INSERT ... ON CONFLICT/DUPLICATE) in SQL with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

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TL;DR: Learn UPSERT (INSERT ... ON CONFLICT/DUPLICATE) in SQL with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in…

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UPSERT (INSERT ... ON CONFLICT/DUPLICATE) in SQL

UPSERT combines INSERT and UPDATE in a single operation.

MySQL uses INSERT ... ON DUPLICATE KEY UPDATE syntax.

PostgreSQL uses INSERT ... ON CONFLICT ... DO UPDATE syntax.

Prevents duplicate key errors while updating existing records.

More efficient than checking existence with separate SELECT + INSERT/UPDATE.

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