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  • 获取所有时间区间,SqlServer 获取本周、本月、本季、本年的第一天和最后一天

     """
            获取所有时间区间
            :return:
            """
            sql = """SELECT
              '{tradedate}'                                       AS ENDDATE,
              dateadd(WEEK, -1, '{tradedate}')+1  AS date_week,
              dateadd(MONTH, -1, '{tradedate}')+1 AS date_month,
              dateadd(MONTH, -3, '{tradedate}')+1 AS date_quarter,
              dateadd(MONTH, -6, '{tradedate}')+1 AS date_halfyear,
              dateadd(YEAR, -1, '{tradedate}')+1  AS date_1year,
              dateadd(YEAR, -3, '{tradedate}')+1  AS date_3year,
              dateadd(YEAR, -2, '{tradedate}')+1  AS date_2year,
              dateadd(YEAR, -5, '{tradedate}')+1  AS date_5year,
              CONVERT(datetime,concat('1/1/',year('{tradedate}')),101) AS date_cyear
            """
    

      

    --本周
    
    select dateadd(WEEK, datediff(WEEK, 0, getdate()), 0);
    
    select dateadd(WEEK, datediff(WEEK, 0, getdate()), 7);
    
    --本月
    
    select dateadd(month, datediff(month, 0, getdate()), 0);
    
    select dateadd(month, datediff(month, -1, getdate()), -1);
    
    --本季
    
    select dateadd(QUARTER , datediff(QUARTER ,0, getdate()), 0);
    
    select dateadd(QUARTER , datediff(QUARTER , -1, getdate()), -1);
    
    --本年
    
    select dateadd(year, datediff(year, 0, getdate()), 0);
    
    select dateadd(year, datediff(year, -1, getdate()), -1);
    ————————————————
    
    原文链接:https://blog.csdn.net/KrisKing/article/details/45841247
    

      

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  • 原文地址:https://www.cnblogs.com/gina11/p/14484198.html
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