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If I have column 'date' in format 'Y-m-d', can I use GROUP BY based on date column but group by months?
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To group data by month in SQL Server, use the DATEPART() function. It extracts the given part (year, month, etc.) from the date. We use the function twice: once with the MONTH argument and once with the YEAR argument.
The following is the output. The following is the query to format the date to YYYY-MM-DD. mysql> select str_to_date(LoginDate,'%d. %m.
Use the MONTH() function to retrieve a month from a date/datetime/timestamp column in MySQL. This function takes only one argument – either an expression which returns a date/datetime/ timestamp value or the name of a date/datetime/timestamp column. (In our example, we use the start_date column of date data type).
MySQL retrieves and displays DATETIME values in ' YYYY-MM-DD hh:mm:ss ' format. The supported range is '1000-01-01 00:00:00' to '9999-12-31 23:59:59' . The TIMESTAMP data type is used for values that contain both date and time parts.
Use MySQL's DATE_FORMAT() function to group only on the desired parts:
GROUP BY DATE_FORMAT(my_column, '%Y-%m')
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