SQL Server character processing (LastIndexOf usage), STUFF, CHARINDEX, REVERSE, LEN

Source: Internet
Author: User

DECLARE @s VARCHAR (100)
SET @s= ' r1-1-1 ' gets the number after the last "-"
SelectREVERSE(@s) return value: 1-1-1R reverses the character. SelectLEN(@s) return value: 6 Get length SelectCHARINDEX(‘-‘,REVERSE(@s)) Return value: 2--Gets the position of the first occurrence of a string, and returns 0 Select if no character is changedSTUFF(@s,1,LEN(@s)-CHARINDEX(‘-‘,REVERSE(@s)) +1, ') return value: 1
STUFFFunctionSTUFF (expression, start, length, Relacechar)                                         expression: A string to be processed                                    Start : Starting location (by the way, it's a reminder that SQL Server starts with 1, not 0)
                                             Length: Number of characters to replace                                    Relacechar: Replace selected characters with XXX

SQL Server character processing (LastIndexOf usage), STUFF, CHARINDEX, REVERSE, LEN

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.