Exemple LAST_DAY
LAST_DAY
SELECT LAST_DAY(OF MONTH FROM current_date) FROM rdb$database;
SELECT LAST_DAY(OF YEAR FROM current_timestamp) FROM rdb$database;
SELECT LAST_DAY(OF WEEK FROM date '2017-11-01') FROM rdb$database;
LAST_DAY
LAST_DAY
SELECT LAST_DAY(OF MONTH FROM current_date) FROM rdb$database;
SELECT LAST_DAY(OF YEAR FROM current_timestamp) FROM rdb$database;
SELECT LAST_DAY(OF WEEK FROM date '2017-11-01') FROM rdb$database;