在SQL 中,可以使用RIGHT()函数来截取子字符串的后几位 SELECTRIGHT(column_name, number_of_characters)ASsubstringFROMtable_name; 其中: column_name是要从中截取子字符串的列名。 number_of_characters是要截取的字符数量。 table_name是包含该列的表名。 例如,假设有一个名为employees的表,其中有一个名为empl...
The first thing we need to do is use thecharindexto get the starting position to extract characters using the following syntax. This will be the first of the several different substring functions that I will leverage toSQL server to get the substring between two characterswith sqlserver substring...
name初始ThirdAndFourthCharacters 主mst tempdbtmp 模型mde msdbmdb 以下示例说明如何显示字符串常量abcdef中的第二个、第三个和第四个字符。 SQL SELECTx =SUBSTRING('abcdef',2,3); 结果集如下。 x --- bcd (1 row(s) affected) B. 对 text
name初始ThirdAndFourthCharacters 主mst tempdbtmp 模型mde msdbmdb 以下示例说明如何显示字符串常量abcdef中的第二个、第三个和第四个字符。 SQL SELECTx =SUBSTRING('abcdef',2,3); 结果集如下。 x --- bcd (1 row(s) affected) B. 对 text
LastName Initial --- --- Barley R Barlow B (2 row(s) affected) Here is how to display the second, third, and fourth characters of the string constant abcdef. Copy SELECT x = SUBSTRING('abcdef', 2, 3); Here is the result set. x --- bcd (1 row(s)...
Get substring of file name up to the last underscore Get the comma separated value and assign to other variable using sql server Get the Execution Plan of an SPID get the half of the year (like quarter) Get the last inserted uniqueidentifier field Get the quarter of a given date in dateti...
Suppose we have a string and our requirement is to extract the last few characters from it. For this purpose, we can use theLEN()function along with the SUBSTRING() function. The LEN() function returns the string length. DECLARE@stringVARCHAR(50)='Hello, Read useful articles on MSSQLTIPS...
此示例使用了CONCAT()函数将first_name和last_name合并为一个名为full_name的新字段,并在两个字符串之间添加一个空格。 2.SUBSTRING() 函数功能:用于从字符串中提取子字符串。 函数语法: SUBSTRING(string, start_position, length) 1. string表示需要从中提取字符的字符串,start_position表示子字符串在原始字符串...
使用選擇性的LEADING位置引數時,其行為相當於LTRIM(@string, characters)。 使用選擇性的TRAILING位置引數時,其行為相當於RTRIM(@string, characters)。 範例 A. 從字串兩端移除空白字元 下列範例會移除test這個字前面和後面的空格。 SQL SELECTTRIM(' test ')ASResult; ...
Get substring of file name up to the last underscore Get the comma separated value and assign to other variable using sql server Get the Execution Plan of an SPID get the half of the year (like quarter) Get the last inserted uniqueidentifier field Get the quarter of a given date in date...