sql gap missing values
SELECT * FROM (
SELECT x, (SELECT min(x) FROM my_table t2 WHERE t2.x > t.x) next_x
FROM my_table t
) WHERE x <> next_x - 1;
/* if my_table contains for x: 1 2 5 6 7 10
X NEXT_X
2 5
7 10
*/
-- ⇓ Test it ⇓ (Fiddle source link)Copyright © 2021 Codeinu
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