insert date into row sql length/values code example

Example 1: insert date sql

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

Example 2: insert to first table if field A equals field B from a second table using sql

UPDATE Table_1 SET Field_X = (SELECT Field_Y FROM Table_2 WHERE Table_1.Field_A=Table_2.Field_B LIMIT 1)