insert date value in sql code example

Example 1: sql add year to date

//Returns Date time
//Takes where to add (as in year, month, day, etc) to
//Takes how much to add
//Takes a datetime in some different formats
DATEADD(year, 1, '2017/08/25')

Example 2: insert date sql

INSERT INTO FOO (xpto) VALUES(TO_DATE('17/12/2015', 'DD/MM/YYYY'));

Example 3: insert current date sql

INSERT INTO my_table (last_updated) VALUES(NOW());
INSERT INTO my_table (last_updated) VALUES(sysdate);	-- Oracle
INSERT INTO my_table (last_updated) VALUES(getdate());	-- SQL Server