The DATE data type specifies a date in SQL Server.
DATE supports dates from 0001-01-01 through 9999-12-31.
The default format is YYYY-MM-DD. The default value is 1900-01-01.
A table with a DATE column.
CREATE TABLE DemoTable
(
Id INT IDENTITY,
Holiday VARCHAR(100),
HolidayDate DATE
);
GO
INSERT INTO DemoTable VALUES ('Christmas', '2021-12-25');
INSERT INTO DemoTable VALUES ('New Year', '12/31/2021');
INSERT INTO DemoTable VALUES ('Valentine’s Day', '2021.02.14');
INSERT INTO DemoTable VALUES ('Halloween', '2021/10/31');
INSERT INTO DemoTable VALUES ('Easter', '2021-4-4');
GO
SELECT * FROM DemoTable;
GO
DROP TABLE DemoTable;
GO
| Id | Holiday | HolidayDate |
|---|---|---|
| 1 | Christmas | 2021-12-25 |
| 2 | New Year | 2021-12-31 |
| 3 | Valentine’s Day | 2021-02-14 |
| 4 | Halloween | 2021-10-31 |
| 5 | Easter | 2021-04-04 |
Notice how SQL Server accepts different input date formats.
These formats are converted to the internal format which is 'YYYY-MM-DD'.
| ORDER |
|---|
| Id |
| OrderDate |
| OrderNumber |
| CustomerId |
| TotalAmount |
| CUSTOMER |
|---|
| Id |
| FirstName |
| LastName |
| City |
| Country |
| Phone |
SELECT OrderNumber, FirstName, LastName,
CAST(OrderDate AS DATE) AS Date,
TotalAmount
FROM [Order] O
JOIN Customer C ON C.Id = O.CustomerId
| OrderNumber | FirstName | LastName | Date | TotalAmount |
|---|---|---|---|---|
| 542378 | Paul | Henriot | 2012-07-04 | 440.00 |
| 542379 | Karin | Josephs | 2012-07-05 | 1863.40 |
| 542380 | Mario | Pontes | 2012-07-08 | 1813.00 |
| 542381 | Mary | Saveley | 2012-07-08 | 670.80 |
| 542382 | Pascale | Cartrain | 2012-07-09 | 3730.00 |
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CREATE TABLE DemoTable
(
MyDate DATE,
MyTime TIME,
MySmallDateTime SMALLDATETIME,
MyDateTime DATETIME,
MyDateTime2 DATETIME2,
MyDateTimeOffset DATETIMEOFFSET
);
GO
INSERT INTO DemoTable VALUES ('2021-10-22 13:54:19:55', '2021-10-22 13:54:19:55',
'2021-10-22 13:54:19:55', '2021-10-22 13:54:19:55',
'2021-10-22 13:54:19:55', '2021-10-22 13:54:19:55');
GO
SELECT * FROM DemoTable;
GO
DROP TABLE DemoTable;
GO
| MyDate | MyTime | MySmallDateTime | MyDateTime | MyDateTime2 | MyDateTimeOffset |
|---|---|---|---|---|---|
| 2021-10-22 | 13:54:19.0550000 | 2021-10-22 13:54:00 | 2021-10-22 13:54:19.057 | 2021-10-22 13:54:19.0550000 | 2021-10-22 13:54:19.0550000 +00:00 |