Frage im Vorstellungsgespräch bei OpenText
duplicate count from database
Antwort im Vorstellungsgespräch
Anonym
17. Nov. 2020
SELECT col1, col2, COUNT(*) FROM tbl_name GROUP BY col1, col2 HAVING COUNT(*) > 1
2
duplicate count from database
Anonym
SELECT col1, col2, COUNT(*) FROM tbl_name GROUP BY col1, col2 HAVING COUNT(*) > 1