/* 034- Date Functions */
SELECT CURRENT_DATE();
SELECT CURDATE();
SELECT SYSDATE();
SELECT NOW();
SELECT DATE("2019-10-15 09:34:21") AS DATE;
SELECT MONTH("2019-10-15 09:34:21") AS DATE;
SELECT MONTHNAME("2019-10-15 09:34:21") AS DATE;
SELECT YEAR("2019-10-15 09:34:21") AS DATE;
SELECT QUARTER("2019-10-15 09:34:21") AS DATE;
SELECT QUARTER("2019-03-15 09:34:21") AS DATE;
SELECT DAY("2019-10-15 09:34:21") AS DATE;
SELECT DAYOFMONTH("2019-10-15 09:34:21") AS DATE;
SELECT DAYNAME("2019-06-15 09:34:21") AS DATE;
SELECT DAYOFWEEK("2019-03-15 09:34:21") AS DATE;
SELECT DAYOFYEAR("2019-06-15 09:34:21") AS DATE;
SELECT WEEK("2019-06-15 09:34:21") AS DATE;
SELECT WEEKDAY("2019-03-15 09:34:21") AS DATE;
SELECT YEARWEEK("2019-06-15 09:34:21") AS DATE;
SELECT LAST_DAY("2019-02-15 09:34:21") AS DATE;
SELECT EXTRACT(MONTH FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(DAY FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(YEAR FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(WEEK FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(HOUR FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(MINUTE FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(SECOND FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(MICROSECOND FROM "2019-03-15 09:34:21") AS DATE;
SELECT EXTRACT(HOUR_MINUTE FROM "2019-03-15 09:34:21") AS DATE;