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List of SQL Server String Functions

Name
Description
ASCII()
Returns numeric value of left-most character
BIN()
Returns a string representation of the argument
BIT_LENGTH()
Returns length of argument in bits
CHAR_LENGTH()
Returns number of characters in argument
CHAR()
Returns the character for each integer passed
CHARACTER_LENGTH()
A synonym for CHAR_LENGTH()
CONCAT_WS()
Returns concatenate with separator
CONCAT()
Returns concatenated string
CONV()
Converts numbers between different number bases
ELT()
Returns string at index number
EXPORT_SET()
Returns a string such that for every bit set in the value bits, you get an on string and for every unset bit, you get an off string
FIELD()
Returns the index (position) of the first argument in the subsequent arguments
FIND_IN_SET()
Returns the index position of the first argument within the second argument
FORMAT()
Returns a number formatted to specified number of decimal places
HEX()
Returns a string representation of a hex value
INSERT()
Inserts a substring at the specified position up to the specified number of characters
INSTR()
Returns the index of the first occurrence of substring
LCASE()
Synonym for LOWER()
LEFT()
Returns the leftmost number of characters as specified
LENGTH()
Returns the length of a string in bytes
LOAD_FILE()
Loads the named file
LOCATE()
Returns the position of the first occurrence of substring
LOWER()
Returns the argument in lowercase
LPAD()
Returns the string argument, left-padded with the specified string
LTRIM()
Removes leading spaces
MAKE_SET()
Returns a set of comma-separated strings that have the corresponding bit in bits set
MID()
Returns a substring starting from the specified position
OCT()
Returns a string representation of the octal argument
OCTET_LENGTH()
A synonym for LENGTH()
ORD()
If the leftmost character of the argument is a multi-byte character, returns the code for that character
POSITION()
A synonym for LOCATE()
QUOTE()
Escapes the argument for use in an SQL statement
REGEXP
Pattern matching using regular expressions
REPEAT()
Repeats a string the specified number of times
REPLACE()
Replaces occurrences of a specified string
REVERSE()
Reverses the characters in a string
RIGHT()
Returns the specified rightmost number of characters
RPAD()
Appends string the specified number of times
RTRIM()
Removes trailing spaces
SOUNDEX()
Returns a soundex string
SOUNDS LIKE
Compares sounds
SPACE()
Returns a string of the specified number of spaces
STRCMP()
Compares two strings
SUBSTRING_INDEX()
Returns a substring from a string before the specified number of occurrences of the delimiter
SUBSTRING(), SUBSTR()
Returns the substring as specified
TRIM()
Removes leading and trailing spaces
UCASE()
Synonym for UPPER()
UNHEX()
Converts each pair of hexadecimal digits to a character
UPPER()
Converts to uppercase

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