SUBSTRING (SQL Server Compact)
Returns part of a character, binary, text, or image expression.
A character string, binary string, text, image, a column, or an expression that includes a column. Do not use expressions that include aggregate functions.
An integer or an expression that can be implicitly converted to int, which specifies where the substring begins.
An integer or an expression that can be implicitly converted to int, which specifies the length of the substring.
Returns character data if expression is one of the supported character data types. Returns binary data if expression is one of the supported binary data types. If start = 1, then the substring begins from the first character of the expression.
The returned string is the same type as the given expression with the exceptions shown in the following table.
|Given expression||Return type|
The following example returns the initial of the first name and the full last name for each employee in the Employees table.
SELECT SUBSTRING([First Name],1,1) AS Initial, [Last Name] FROM Employees
This is the result set:
Initial Last Name ---------------------------- N Davolio A Fuller J Leverling M Peacock S Buchanan M Suyama R King L Callahan A Dodsworth A Hellstern T Smith C Patterson J Brid X Martin L Pereira (15 rows affected)