PRO_SDATE, PRO_DURAT)
SELECT PRO_TITLE
FROM PRO
WHERE ( PRO_SDATE, PRO_DURAT) OVERLAPS
(CURRENT_DATE, INTERVAL '1' YEAR);
Введение в модель данных SQL
SELECT PRO_TITLE
FROM PRO
WHERE ( PRO_SDATE, PRO_DURAT) OVERLAPS
(CURRENT_DATE, INTERVAL '1' YEAR);