如何在 sql 服务器中获取 current/Todays 日期数据

Question

如何编写查询以在 SQL server 中获取今天的日期数据？

select * from tbl_name where date = <Todays_date>

Answer 1

正确答案将取决于您 datecolumn 的确切类型。假设它是类型 Date :

select * from tbl_name 
where datecolumn = cast(getdate() as Date)

如果是DateTime:

select * from tbl_name 
where cast(datecolumn as Date) = cast(getdate() as Date)

Answer 2

select * from tbl_name where date = cast(getdate() as Date)

对于 CAST 参见 http://msdn.microsoft.com/en-us/library/ms187928.aspx and for GETDATE() see https://msdn.microsoft.com/en-IN/library/ms188383.aspx

Answer 3

Mitch Wheat 的回答似乎不是sargable，虽然我不确定这是真的。

请注意：LHS 上的 DATEDIFF()（或其他计算）不是 Sargable，而 Cast(x to Date) 是。

SELECT * 
FROM tbl_name 
WHERE date >= cast(getdate() as date)
and date < cast(getdate()+1 as date)

Answer 4

select * from tbl_name where date(column_name) = CURDATE();

现在您可以获得今天插入的行