Skip to content

String

String functions

Name Parameters Return Description
BIN Integer Text Return a string containing binary representation of a Integer.
LOWER Text Text Return Text in lower case.
UPPER Text Text Return Text in upper case.
REVERSE Text Text Return a reversed string.
TRIM Text Text Removes leading and trailing spaces from a string.
LTRIM Text Text Removes leading spaces from a string.
RTRIM Text Text Removes trailing spaces from a string.
LEN Text Integer Return the length of this string.
REPLICATE Text, Integer Text Return repeated a string a specified number of times.
SPACE Integer Text Returns a string of the specified number of space characters.
ASCII Text Integer Returns the ASCII value for the specific character.
LEFT Text, Integer Text Extracts a number of characters from a string (starting from left).
DATALENGTH Text Integer Returns the number of bytes used to represent an expression.
CHAR Integer Text Returns the character based on the ASCII code.
CHARINDEX Text, Text Integer Returns the starting position of the first occurrence of a string in another string.
NCHAR Integer Text Returns the character based on the ASCII code.
REPLACE Text, Text, Text Text Replaces all occurrences of a substring within a string, with a new substring.
SUBSTRING Text, Integer, Integer Text Extracts some characters from a string.
STUFF Text, Integer, Integer, Text Text Deletes a part of a string and then inserts another part into the string, starting at a specified position.
RIGHT Text, Integer Text Extracts a number of characters from a string (starting from right).
TRANSLATE Text, Text, Text, Text Returns the string from the first argument after the characters specified in the second argument are translated into the characters specified in the third argument.
SOUNDEX Text Text Returns a four-character code to evaluate the similarity of two expressions.
CONCAT Any, Any, ...Any Text Add several string representations of values together together.
CONCAT_WS Text, Any, Any, ...Any Text Add several string representations of values together together with separate.
UNICODE Text Integer Return an integer value (the Unicode value), for the first character of the input expression.
STRCMP Text , Text Integer Return 0 If string1 = string2, -1 if string1 < string2, this function returns -1, and 1 if string1 > string2
QUOTENAME Text , Text Text Returns the string (first argument) with specified delimiters (second argument), defaulting to []
STR Text, Integer?, Integer? Text Returns a number as a string with optionals length and decimals.