Dates
Dates

Get Current date

SELECT CURDATE();

Get Datetime now:

SET @dt = NOW();

SELECT @dt;

Få datetime bakåt i tiden:

now() - interval 1 month;

MySQL comes with the following data types for storing a date or a date/time value in the database:

DATE - format YYYY-MM-DD

DATETIME - format: YYYY-MM-DD HH:MI:SS

TIMESTAMP - format: YYYY-MM-DD HH:MI:SS

YEAR - format YYYY or YY

SQL Server comes with the following data types for storing a date or a date/time value in the database:

DATE - format YYYY-MM-DD

DATETIME - format: YYYY-MM-DD HH:MI:SS

SMALLDATETIME - format: YYYY-MM-DD HH:MI:SS

TIMESTAMP - format: a unique number

Note: The date types are chosen for a column when you create a new table in your database!

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Träna och laborera:

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https://www.w3schools.com/sql/sql_dates.asp⁠

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https://www.c-sharpcorner.com/UploadFile/65fc13/work-with-date-and-time-in-mysql/⁠

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https://www.mysqltutorial.org/mysql-datetime/⁠

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https://www.digitalocean.com/community/tutorials/how-to-work-with-dates-and-times-in-sql⁠

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