delete query postgres code example

Example 1: delete entries in postgresql

DELETE FROM table WHERE condition;

Example 2: postegresql delete

DELETE FROM films
  WHERE producer_id IN (SELECT id FROM producers WHERE name = 'foo');

Example 3: delete from select postgresql

DELETE FROM mytable 
WHERE ctid IN (
    SELECT ctid
    FROM mytable 
    GROUP BY s.serialId, s.valuetimestamp
    ORDER BY s.serialId
    LIMIT 10
)

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