What are the functions of the datepart function in SQL?
In SQL, the DATEPART function is used to extract the value of a date or time component, commonly used functions include:
- Extract the year part: DATEPART(year, date)
- Extract the month portion: DATEPART(month, date)
- Extract the day component: DATEPART(day, date)
- Get the hour part: DATEPART(hour, date)
- Extract the minute part: DATEPART(minute, date)
- 提取秒部分：DATEPART(second, date)
- Extract the day of the week: DATEPART(weekday, date) (1 represents Sunday, 2 represents Monday, and so on)
- Extract the quarter part: DATEPART(quarter, date) (1 represents the first quarter, 2 represents the second quarter, and so on)
These functions can assist users in extracting specific parts of dates or times in SQL queries, making it convenient for data analysis and report generation.
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