Beginning Microsoft SQL Server 2008 ... - S3 Tech Training

SOUNDEX
The SOUNDEX function returns a four-character (SOUNDEX) code, which can be used to evaluate the
similarity of two strings. The syntax is as follows:
SPACE
SOUNDEX()
The SPACE function returns a string of repeated spaces, the length of which is indicated by integer. The
syntax is as follows:
STR
SPACE()
The STR function converts numeric data into character data. The syntax is as follows:
STR([, [, ]])
The numeric_expression parameter is a numeric expression with a decimal point. The length parameter
is the total length including decimal point, digits, and spaces. The decimal parameter is the number
of places to the right of the decimal point.
STUFF
The STUFF function deletes a specified length of characters and inserts another set of characters in their
place. The syntax is as follows:
STUFF(, , , )
The expression parameter is the string of characters in which some will be deleted and new ones
added. The start parameter specifies where to begin deletion and insertion of characters. The length
parameter specifies the number of characters to delete. The characters parameter specifies the new set
of characters to be inserted into the expression.
SUBSTRING
The SUBSTRING function returns part of an expression. The syntax is as follows:
SUBSTRING(, , )
Apendix A: System Functions
The expression parameter specifies the data from which the substring will be taken, and can be a character
string, binary string, text, or an expression that includes a table. The start parameter is an integer
that specifies where to begin the substring. The length parameter specifies how long the substring is.
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