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 le
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 cha...
SQL SELECTname,SUBSTRING(name,1,1)ASInitial,SUBSTRING(name,3,2)ASThirdAndFourthCharactersFROMsys.databasesWHEREdatabase_id <5; 结果集如下。 name初始ThirdAndFourthCharacters mastermst tempdbtmp modelmde msdbmdb 若要显示字符串常量abcdef的第二、第三和第四个字符,请使用以下查询。
SQL SELECTname,SUBSTRING(name,1,1)ASInitial,SUBSTRING(name,3,2)ASThirdAndFourthCharactersFROMsys.databasesWHEREdatabase_id <5; 结果集如下。 name初始ThirdAndFourthCharacters mastermst tempdbtmp modelmde msdbmdb 若要显示字符串常量abcdef的第二、第三和第四个字符,请使用以下查询。
for number_of_characters - the number of characters to be extracted. If not specified, the extraction will be up to the last character of the string. Note that while the last two parameters are optional, you must use one of them. Here are some examples: ...
('MSSQLTips',0,5) returns 'MSSQ' (so only 4 characters), while SUBSTRING('MSSQLTips',-4,5) returns the empty string ''. If “start” is bigger than length, the empty string is also returned. SUBSTRING('MSSQLTips',15,5) returns ''. If “start” is NULL, the result is also...
You can also use the FROM clause in between the two arguments, instead of comma ',' −Open Compiler SELECT SUBSTRING('Welcome to Tutorialspoint' FROM 11); The result produced is as follows −SUBSTRING('Welcome to Tutorialspoint' FROM 11) Tutorialspoint...
Edit:I modified it to SELECT the ElapsedMS of each run, which is needed due to a bias that is introduced by applying STATISTICS TIME to an SVF as demonstrated here:http://www.sqlservercentral.com/articles/T-SQL/91724/ My mantra:No loops! No CURSORs! No RBAR! Hoo-uh![/I] ...
In conclusion, SUBSTRING is a beneficial function in SQL Server that allows us to extract a portion of a string based on a specific starting position and length. It can manipulate and transform string data in various ways, such as removing unwanted characters, extracting meaningful information, an...
In SQL Server, the STUFF() function inserts a string into another string. It deletes a specified number of characters from the first string starting at the specified position and inserts the given second string from that position. STUFF(string_expression, start, length, replacementString) ...