Oracle sysdate - 1 month

SELECT sysdate - 1 FROM dual; 				-- Yesterday    12/01/2021 14:27:27
SELECT trunc(sysdate) - 1 FROM dual; 		-- Yesterday    12/01/2021 00:00:00
SELECT sysdate + INTERVAL '20' DAY FROM DUAL;		-- 20 days ahead (other way)
SELECT sysdate - 1 / 24 FROM dual;					-- 1 hour ago
SELECT sysdate - 1 / 24 / 60 FROM dual;				-- 1 minute ago
SELECT add_months(trunc(sysdate), -1) FROM dual;   	-- 1 month ago (no time)
SELECT trunc(sysdate) - 30 FROM dual;				-- 30 days ago (no time)
SELECT add_months(trunc(sysdate), -12*2) FROM dual;	-- 2 years ago (no time)

-- ⇓ Test it ⇓ (Fiddle source link)

Source: sqlfiddle.com

Similar codes

0 vote374 views1 answer
Create_engine sqlalchemy with parsed url sql server
SQL
4 votes349 views1 answer
Postgresql create table with index
SQL
16 votes342 views1 answer
CTE statement sql server
SQL
0 vote361 views1 answer
Oracle sql date winter time
SQL
21 votes405 views6 answers
Update sql
SQL
0 vote398 views1 answer
Mysql workbench Error Code: 2013. Lost connection to MySQL server during query
SQL
0 vote361 views2 answers
Mysql row_number() example
SQL
0 vote1.2K views1 answer
Mysql custom sort order
SQL
1 vote367 views1 answer
Oracle repeat_interval 5 minutes
SQL
0 vote361 views1 answer
Mysql Digital Ocean connection problems
SQL