Count the number of data in the database for 30 days, 30-60 days, 60-90 days, and 90 days (implemented in SQL)

Source: Internet
Author: User
Tags getdate

30 Days or Less: SELECT COUNT (*) from TB where DateDiff (day, field name, GETDATE ()) between 0 and 30
30-60 days: SELECT COUNT (*) from TB where DateDiff (day, field name, GETDATE ()) between and 60
60-90 days: SELECT COUNT (*) from TB where DateDiff (day, field name, GETDATE ()) between and 90
90 days away: SELECT COUNT (*) from TB where DateDiff (day, field name, GETDATE ()) >90

Count the number of data in the database for 30 days, 30-60 days, 60-90 days, and 90 days (implemented in SQL)

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