how to get the date diff of 2 dates in the same fieldin sql server
WITH Partitioned AS( SELECT *, ROW_NUMBER() OVER (PARTITION BY cu_id, date ORDER BY cu_id, date) AS RowNumber FROM @Table) SELECT *, CASE WHEN RowNumber > 1 THEN 0 ELSE COALESCE(DATEDIFF(DAY, (SELECT MAX(date) FROM @Table WHERE date < a.date AND cu_id = a.cu_id), a.date), 0) END AS Days_betweenFROM Partitioned aSQL server datetime compare
Pressupondo uma tabela utilizador u.
year(u.DataInicio) --> Retorna o ano
month() --> Retorna o mês
day() --> dia
Exemplo:
u.Ativo = 1 AND year(u.DataInicio)<= 2018Copyright © 2021 Codeinu
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