ExampleGet your own SQL Server Extract 3 characters from a string (starting from right): SELECT RIGHT('SQL Tutorial', 3) AS ExtractString; Try it Yourself » Definition and UsageThe RIGHT() function extracts a number of characters from a string (starting from right)....
方法： 1 lr_save_string 该函数主要是将程序中的常量或变量保存为lr中的参数 2 lr_eval_string 从...
--ORACLE数据库内创建LEFT CREATE OR REPLACE FUNCTION "LEFT" (str in varchar2,sublen in integer) return varchar2 is strlen integer; begin strlen := length(str); if sublen<=0 then return ''; elsif strlen<=sublen then return str; else return SUBSTR(str,0,sublen); end if; return ''...
When using SC collations, the RIGHT function counts a UTF-16 surrogate pair as a single character. For more information, see Collation and Unicode Support.ExamplesA: Using RIGHT with a columnThe following example returns the five rightmost characters of the first name for each person in the ...
CreateFunctionStatement CreateIndexStatement CreateLoginSource CreateLoginStatement CreateMasterKeyStatement CreateMessageTypeStatement CreateOrAlterFunctionStatement CreateOrAlterProcedureStatement CreateOrAlterTriggerStatement CreateOrAlterViewStatement CreatePartitionFunctionStatement CreatePartitionSchemeStatement ...
When using SC collations, the RIGHT function counts a UTF-16 surrogate pair as a single character. For more information, see Collation and Unicode Support. Examples A: Using RIGHT with a column The following example returns the five rightmost characters of the first name for each person in the...
CreateFunctionStatement CreateIndexStatement CreateLoginSource CreateLoginStatement CreateMasterKeyStatement CreateMessageTypeStatement CreateOrAlterFunctionStatement CreateOrAlterProcedureStatement CreateOrAlterTriggerStatement CreateOrAlterViewStatement CreatePartitionFunctionStatement CreatePartitionSchemeStatement Cre...
本文主要介绍Quick BI使用SQL创建数据集报错“You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'option from 001产品信息”。 问题原因 该报错的原因是option是MySQL数据库的关键字。 解决方案 客户可以对该表起别名,通...
AND xtype IN (N'FN', N'IF', N'TF') ) DROP FUNCTION [dbo].[fnPadLeft] GO SET QUOTED_IDENTIFIER ON GO SET ANSI_NULLS ON GO CREATE FUNCTION fnPadLeft ( @PadChar char(1), @PadToLen int, @BaseString varchar(100) ) RETURNS varchar(1000) ...
Method 2: Using the MID function In cell B1, enter the following formula: Excel =MID(A1,5,LEN(A1)-4) Press Enter to copy the formula down to the remaining cells in column B. Explanation: MID(A1, 5, LEN(A1)-4): This extracts characters from the middle of the text in cell A1, ...