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60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
DROP DATABASE IF EXISTS mcs258_db;
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CREATE DATABASE mcs258_db;
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USE mcs258_db;
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CREATE TABLE t1(t1_d DATE, t1_t TIME, t1_dt DATETIME)ENGINE=Columnstore;
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INSERT INTO t1 VALUES(NULL, NULL, NULL);
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INSERT INTO t1 VALUES('2222-11-11', '12:12:12', '2020-10-11 12:12:12');
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INSERT INTO t1 VALUES('2020-01-01', '11:11:11', '2020-12-31 12:34:56');
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INSERT INTO t1 VALUES('2016-08-01', '11:11:11', '2017-02-01 12:12:12');
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SELECT MONTHNAME('2020-02-21') FROM t1 LIMIT 1;
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MONTHNAME('2020-02-21')
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February
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SELECT MONTHNAME('1891-08-11') FROM t1 LIMIT 1;
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MONTHNAME('1891-08-11')
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August
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SELECT MONTHNAME('1999-13-11') FROM t1 LIMIT 1;
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MONTHNAME('1999-13-11')
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NULL
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Warnings:
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Warning 1292 Incorrect datetime value: '1999-13-11'
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SELECT MONTHNAME('2121-05-22 1:1:1') FROM t1 LIMIT 1;
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MONTHNAME('2121-05-22 1:1:1')
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May
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SELECT t1_d, MONTHNAME(t1_d) FROM t1 ORDER BY 1;
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t1_d MONTHNAME(t1_d)
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NULL NULL
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2016-08-01 August
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2020-01-01 January
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2222-11-11 November
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SELECT t1_d, MONTHNAME(t1_d) FROM t1 ORDER BY 1;
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t1_d MONTHNAME(t1_d)
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NULL NULL
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2016-08-01 August
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2020-01-01 January
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2222-11-11 November
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SELECT t1_d, MONTHNAME(t1_d) FROM t1 ORDER BY 1;
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t1_d MONTHNAME(t1_d)
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NULL NULL
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2016-08-01 August
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2020-01-01 January
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2222-11-11 November
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SELECT t1_dt, MONTHNAME(t1_dt) FROM t1 ORDER BY 1;
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t1_dt MONTHNAME(t1_dt)
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NULL NULL
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2017-02-01 12:12:12 February
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2020-10-11 12:12:12 October
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2020-12-31 12:34:56 December
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SELECT t1_dt, MONTHNAME(t1_dt) FROM t1 ORDER BY 1;
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t1_dt MONTHNAME(t1_dt)
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NULL NULL
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2017-02-01 12:12:12 February
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2020-10-11 12:12:12 October
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2020-12-31 12:34:56 December
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SELECT t1_dt, MONTHNAME(t1_dt) FROM t1 ORDER BY 1;
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t1_dt MONTHNAME(t1_dt)
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NULL NULL
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2017-02-01 12:12:12 February
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2020-10-11 12:12:12 October
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2020-12-31 12:34:56 December
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DROP DATABASE mcs258_db;
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