How to Convert DateTime to VarChar in SQL Server Without the Time Component?

Convert DateTime to VarChar (without time part) in SQL Server

To convert a DateTime variable to a VarChar variable in yyyy-mm-dd format, you can use the built-in CONVERT function:

<code class="language-sql">CONVERT(VARCHAR(10), GETDATE(), 120)  /* 将 'GETDATE()' 替换为您的 DateTime 变量 */</code>

This command will return the VarChar value in the specified yyyy-mm-dd format, excluding the time part.

Other styles for converting DateTime to VarChar

In addition to the 120 style, a number of other styles can be used to format output VarChar values. The following demo illustrates the various styles and their corresponding output:

<code class="language-sql">DECLARE @now DATETIME
SET @now = GETDATE()

SELECT CONVERT(VARCHAR(MAX), @now, style) AS output, style
FROM (
    SELECT 0 AS style UNION
    SELECT 1 UNION
    SELECT 2 UNION
    SELECT 3 UNION
    SELECT 4 UNION
    SELECT 5 UNION
    SELECT 6 UNION
    SELECT 7 UNION
    SELECT 8 UNION
    SELECT 9 UNION
    SELECT 10 UNION
    SELECT 11 UNION
    SELECT 12 UNION
    SELECT 13 UNION
    SELECT 14 UNION
    SELECT 120 UNION
    SELECT 121 UNION
    SELECT 126 UNION
    SELECT 127 UNION
    SELECT 130 UNION
    SELECT 131
) AS Styles
ORDER BY style;</code>

Output:

输出	样式
Apr 28 2014 9:31AM	0
04/28/14	1
14.04.28	2
28/04/14	3
28.04.14	4
28-04-14	5
28 Apr 14	6
Apr 28, 14	7
09:31:28	8
Apr 28 2014 9:31:28:580AM	9
04-28-14	10
14/04/28	11
140428	12
28 Apr 2014 09:31:28:580	13
09:31:28:580	14
2014-04-28 09:31:28.580	120
2014-04-28 09:31:28.580	121
2014-04-28T09:31:28.580	126
2014-04-28T09:31:28.580	127
28/06/1435 9:31:28:580AM	130
28 جمادى الثانية 1435 9:31:28:580AM	131

Note that the output format can be adjusted by selecting the appropriate style parameters for the CONVERT function.

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