Example 1: sql server cast date dd/mm/yyyy
--string to date
SELECT cast(convert(date, '23/07/2009', 103) AS DATE)
select convert(date, '23/07/2009', 103)
Example 2: SQL query to convert DD/MM/YYYY to YYYY-MM-DD
SELECT CONVERT(varchar(10), CONVERT(date, '13/12/2016', 103), 120)
Example 3: sql to date
-- Oracle:TO_DATE(string, format)
SELECT TO_DATE('2012-06-05', 'YYYY-MM-DD') FROM dual;
SELECT TO_DATE('05/06/2012 13:25:12', 'DD/MM/YYYY HH24:MI:SS') FROM dual;
-- SQL Server: CONVERT(data_type, string, style). Cf source link for style codes.
SELECT CONVERT(DATETIME, '2012-06-05', 102); -- Raises error if impossible
SELECT TRY_CONVERT(DATETIME, '2012-06-05', 102); -- Returns Null if impossible
-- MySQL: STR_TO_DATE(string, format):
SELECT STR_TO_DATE('2012-06-05','%Y-%m,%d');
Example 4: sql convert date to string yyyy-mm-dd
select CONVERT(char(10), GetDate(),126)
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