Home Database Mysql Tutorial sql 字符串转换日期

sql 字符串转换日期

Jun 07, 2016 pm 05:47 PM
sql string date Convert

文章主要讲mssql server 的sql 字符串转换日期函数与实例用法 了,下面我们收集了很多种关于字符串转换成日期的sql语句。

文章主要讲mssql server 的sql 字符串转换日期函数与实例用法 了,下面我们收集了很多种关于字符串转换成日期的sql语句。

update testonline set testdate=substring(testdate,1,10)
update testonline set testdate=replace(testdate,'/','-')
update testonline set testdate=replace(testdate,'-0','-')


如何将字符型'2007-01'转换成日期型'2007-01'

cast('2007-01' + '-01' as datetime)


'2007-01'不是日期型转不了。

可以转成'2007-01-01',

cast('2007-01'+'-01' as datetime)


实例三

select*from表where字段

select*from表wherecast(replace(replace(replace('2006年8月15日','年','-'),'月','-'),'日','')asdatetime)

 

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Two Point Museum: All Exhibits And Where To Find Them
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to search previous Weibo by date on Weibo_How to search previous Weibo by date on Weibo How to search previous Weibo by date on Weibo_How to search previous Weibo by date on Weibo Mar 30, 2024 pm 07:26 PM

1. First open the mobile web browser, search for the Weibo web version, and click the avatar button in the upper left corner after entering. 2. Then click Settings in the upper right corner. 3. Click the version switching option in settings. 4. Then select the color version option in the version switch. 5. Click Search to enter the search page. 6. After entering the keywords, click Find People. 7. When the search completion interface appears, click Filter. 8. Finally, enter the specific date in the release time column and click Filter.

What is the difference between HQL and SQL in Hibernate framework? What is the difference between HQL and SQL in Hibernate framework? Apr 17, 2024 pm 02:57 PM

HQL and SQL are compared in the Hibernate framework: HQL (1. Object-oriented syntax, 2. Database-independent queries, 3. Type safety), while SQL directly operates the database (1. Database-independent standards, 2. Complex executable queries and data manipulation).

Practical tips for converting full-width English letters into half-width form Practical tips for converting full-width English letters into half-width form Mar 26, 2024 am 09:54 AM

Practical tips for converting full-width English letters into half-width forms. In modern life, we often come into contact with English letters, and we often need to input English letters when using computers, mobile phones and other devices. However, sometimes we encounter full-width English letters, and we need to use the half-width form. So, how to convert full-width English letters to half-width form? Here are some practical tips for you. First of all, full-width English letters and numbers refer to characters that occupy a full-width position in the input method, while half-width English letters and numbers occupy a full-width position.

How to remove the date that appears automatically when printing from PPT handouts How to remove the date that appears automatically when printing from PPT handouts Mar 26, 2024 pm 08:16 PM

1. Let me first talk about the method I used at the beginning, maybe everyone is using it too. First, open [View]——]Remarks Template[. 2. A place where you can actually see the date after opening it. 3. Select it first and delete it. 4. After deleting, click [Close Master View]. 5. Open the print preview again and find that the date is still there. 6. In fact, this date was not deleted here. It should be in the [Handout Master]. Look at the picture below. 7. Delete the date after you find it. 8. Now when you open the preview and take a look, the date is no longer there. Note: In fact, this method is also very easy to remember, because the printed handouts are handouts, so you should look for the [Handout Master].

Detailed explanation of the implementation method of converting PHP months to English months Detailed explanation of the implementation method of converting PHP months to English months Mar 21, 2024 pm 06:45 PM

This article will introduce in detail how to convert months in PHP to English months, and give specific code examples. In PHP development, sometimes we need to convert digital months to English months, which is very practical in some date processing or data display scenarios. The implementation principles, specific code examples and precautions will be explained in detail below. 1. Implementation principle In PHP, you can convert digital months into English months by using the DateTime class and format method. Date

How to convert qq music to mp3 format Convert qq music to mp3 format on mobile phone How to convert qq music to mp3 format Convert qq music to mp3 format on mobile phone Mar 21, 2024 pm 01:21 PM

QQ Music allows everyone to enjoy watching movies and relieve boredom. You can use this software every day to easily satisfy your needs. A large number of high-quality songs are available for everyone to listen to. You can also download and save them. The next time you listen to them, you don’t need an Internet connection. The songs downloaded here are not in MP3 format and cannot be used on other platforms. After the membership songs expire, there is no way to listen to them again. Therefore, many friends want to convert the songs into MP3 format. Here, the editor explains You provide methods so that everyone can use them! 1. Open QQ Music on your computer, click the [Main Menu] button in the upper right corner, click [Audio Transcoding], select the [Add Song] option, and add the songs that need to be converted; 2. After adding the songs, click to select Convert to [mp3]

Detailed explanation of the method of converting int type to string in PHP Detailed explanation of the method of converting int type to string in PHP Mar 26, 2024 am 11:45 AM

Detailed explanation of the method of converting int type to string in PHP In PHP development, we often encounter the need to convert int type to string type. This conversion can be achieved in a variety of ways. This article will introduce several common methods in detail, with specific code examples to help readers better understand. 1. Use PHP’s built-in function strval(). PHP provides a built-in function strval() that can convert variables of different types into string types. When we need to convert int type to string type,

PHP Tutorial: How to convert int type to string PHP Tutorial: How to convert int type to string Mar 27, 2024 pm 06:03 PM

PHP Tutorial: How to Convert Int Type to String In PHP, converting integer data to string is a common operation. This tutorial will introduce how to use PHP's built-in functions to convert the int type to a string, while providing specific code examples. Use cast: In PHP, you can use cast to convert integer data into a string. This method is very simple. You only need to add (string) before the integer data to convert it into a string. Below is a simple sample code

See all articles