sql find gaps in date ranges
-- Range of missing dates d in table t1
SELECT * FROM (
SELECT
trunc(d) AS d,
(SELECT min(trunc(d)) FROM t1 t2 WHERE trunc(t2.d) > trunc(t1.d)) next_d
FROM t1
) WHERE d <> next_d - 1;
sql find gaps in date ranges
-- Range of missing dates d in table t1
SELECT * FROM (
SELECT
trunc(d) AS d,
(SELECT min(trunc(d)) FROM t1 t2 WHERE trunc(t2.d) > trunc(t1.d)) next_d
FROM t1
) WHERE d <> next_d - 1;
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