PostgreSQL: NULL handling in SQL

PostgreSQL: NULL handling in SQL

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nulls are weird, Postgres15 makes them slightly better
nulls are weird, Postgres15 makes them slightly better
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nulls are weird, Postgres15 makes them slightly better

nulls are weird, Postgres15 makes them slightly better
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PostgreSQL IFNULL() Equivalent: Handling NULL Values Like SQLite
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Working with NULL - PostgreSQL for Developers