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FAQ/How-to-use-datediff.md
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| 3 | 2 | ##Syntax |
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| 5 | 4 | datediff( datepart , startdate , enddate ) |
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| 7 | -##Argument |
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| 0 | +##Argument |
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| 1 | + |
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| 2 | +#datepart |
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| 3 | +Is the part of startdate and enddate that specifies the type of boundary crossed. The following table lists all valid datepart arguments. User-defined variable equivalents are not valid. |
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| 4 | + |
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| 5 | +|**datepart**|**Abbreviations**| |
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| 6 | +|:------------:|:-------------:| |
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| 7 | + |
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| 8 | +|year|yy, yyyy| |
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| 9 | +|quarter|qq, q| |
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| 10 | +|month|mm, m| |
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| 11 | +|dayofyear|dy, y| |
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| 12 | +|day|dd, d| |
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| 13 | +|week|wk, ww| |
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| 14 | +|hour|hh| |
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| 15 | +|minute|mi, n| |
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| 16 | +|second|ss, s| |
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| 17 | +|millisecond|ms| |
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| 18 | +|microsecond|mcs| |
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| 19 | +|nanosecond|ns| |
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