Postgres: INSERT if does not exist already

Postgres: INSERT if does not exist already

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How to speed up insertion performance in PostgreSQL

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How do I insert multiple values into a postgres table at once?

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Insert data in 3 tables at a time using Postgres

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Conditional INSERT INTO statement in postgres

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No results returned by the Query error in PostgreSQL

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How does COPY work and why is it so much faster than INSERT?

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Postgres error: null value in column "id" - during insert operation

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ERROR: column of relation does not exist PostgreSQL ,Unable to run insert query

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How can I insert the return of DELETE into INSERT in postgresql?

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Equivalent of ON CONFLICT DO NOTHING for UPDATE postgres

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Postgres INSERT ON CONFLICT DO UPDATE vs INSERT or UPDATE

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postgresql ON CONFLICT ON CONSTRAINT for 2 constraints

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INSERT INTO ... FROM SELECT ... RETURNING id mappings

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Reference value of serial column in another column during same INSERT

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