Use SUBSTRING to Get Data After and Before a Character The following example will show data before and after a space for a character string. DECLARE @string varchar(50)='Hello world' SELECT SUBSTRING(@string,1,
Keep in mind every character counts when using the substring functions, this also includes white space and non-printable characters. To clean up your text, you can use theLTRIM,RTRIMorTRIMfunctions. The TRIM function (introduced in SQL Server 2017) is a bit more versatile because it removes f...
PRINT 'Character #' + ' ' + 'Unicode Character' + ' ' + 'UNICODE Value' 1. WHILE @position <= DATALENGTH(@nstring) 1. BEGIN 1. SELECT @position, 1. NCHAR(UNICODE(SUBSTRING(@nstring, @position, 1))), 1. CONVERT(NCHAR(17), SUBSTRING(@nstring, @position, 1)), 1. UNICODE(SUB...
以下示例说明 SUBSTRING 对 text 和 ntext 数据的影响。首先,该示例在 pubs 数据库内创建一个名为 npub_info 的新表。接着,该示例使用 pub_info.pr_info 列的前 80 个字符在 npub_info 表中创建 pr_info 列,然后将 ü 添加为第一个字符。最后,INNER JOIN 检索所有出版商标识号以及 text 和 ntext 出版...
The SUBSTRING function returns a portion of a specified character, binary, text, or image expression.
The SUBSTRING function returns a portion of a specified character, binary, text, or image expression.
The RIGHT function performs the opposite of the LEFT function and it extracts the given character starting from the right side of the input string. However, it doesn’t use the SUBSTRING function on its calculations. Now we will execute the following query and analyze the execution plan. This...
extract string between two characters/string, first character is 'Test Name:' and second character is line break i.e., or end of line. Extracting domain name from FQDN fully qualified domain name see example Extracting only year from getdate() function... Extracting substring between two ch...
CHARACTER_LENGTH INNER SIZE CHECK INPUT SMALLINT CLOSE INSENSITIVE SOME COALESCE INSERT SPACE COLLATE INT SQL COLLATION INTEGER SQLCA COLUMN INTERSECT SQLCODE COMMIT INTERVAL SQLERROR CONNECT INTO SQLSTATE CONNECTION IS SQLWARNING CONSTRAINT ISOLATION SUBSTRING CONSTRAINTS JOIN SUM CONTINUE KEY SYSTEM_USER ...
The function substring_index performs a case-sensitive match when searching for delim. substring_index(str, Delim,count)-返回str中的子串,然后才出现分隔符的count。如果count为正,则返回分隔符左侧的所有内容(从左侧开始计数)。如果count为负,则返回最终分隔符右侧的所有内容(从右侧开始计数)。该函数substring...