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DROP DATABASE IF EXISTS mcs281_db;
CREATE DATABASE mcs281_db;
USE mcs281_db;
CREATE TABLE t1
(
t1_DATE DATE,
t1_TIMESTAMP TIMESTAMP,
t1_DATETIME DATETIME
)ENGINE=Columnstore;
INSERT INTO t1 VALUES('1991-05-30', '1999-10-28 01:00:50', '2020-12-11 01:08:59');
INSERT INTO t1 VALUES('2991-10-13', '1972-11-22 11:19:52', '2002-02-21 05:28:37');
SELECT YEAR('1020-10-12') FROM t1 LIMIT 1;
YEAR('1020-10-12')
1020
SELECT YEAR('2120-05-22') FROM t1 LIMIT 1;
YEAR('2120-05-22')
2120
SELECT YEAR('1942-02-13 12:13:14') FROM t1 LIMIT 1;
YEAR('1942-02-13 12:13:14')
1942
SELECT YEAR('12:13:14') FROM t1 LIMIT 1;
YEAR('12:13:14')
NULL
Warnings:
Warning 1292 Incorrect datetime value: '12:13:14'
SELECT t1_DATE, YEAR(t1_DATE) FROM t1 ORDER BY 1;
t1_DATE YEAR(t1_DATE)
1991-05-30 1991
2991-10-13 2991
SELECT t1_DATETIME, YEAR(t1_DATETIME) FROM t1 ORDER BY 1;
t1_DATETIME YEAR(t1_DATETIME)
2002-02-21 05:28:37 2002
2020-12-11 01:08:59 2020
SELECT t1_TIMESTAMP, YEAR(t1_TIMESTAMP) FROM t1 ORDER BY 1;
t1_TIMESTAMP YEAR(t1_TIMESTAMP)
1972-11-22 11:19:52 1972
1999-10-28 01:00:50 1999
DROP DATABASE mcs281_db;