Function |
Description |
ASCII |
Returns the number code that represents the specific character |
CHAR_LENGTH |
Returns the length of the specified string (in characters) |
CHARACTER_LENGTH |
Returns the length of the specified string (in characters) |
CONCAT |
Concatenates two or more expressions together |
CONCAT_WS |
Concatenates two or more expressions together and adds a separator between them |
FIELD |
Returns the position of a value in a list of values |
FIND_IN_SET |
Returns the position of a string in a string list |
FORMAT |
Formats a number as a format of "#,###.##", rounding it to a certain number of decimal places |
INSERT |
Inserts a substring into a string at a specified position for a certain number of characters |
INSTR |
Returns the position of the first occurrence of a string in another string |
LCASE |
Converts a string to lower-case |
LEFT |
Extracts a substring from a string (starting from left) |
LENGTH |
Returns the length of the specified string (in bytes) |
LOCATE |
Returns the position of the first occurrence of a substring in a string |
LOWER |
Converts a string to lower-case |
LPAD |
Returns a string that is left-padded with a specified string to a certain length |
LTRIM |
Removes leading spaces from a string |
MID |
Extracts a substring from a string (starting at any position) |
POSITION |
Returns the position of the first occurrence of a substring in a string |
REPEAT |
Repeats a string a specified number of times |
REPLACE |
Replaces all occurrences of a specified string |
REVERSE |
Reverses a string and returns the result |
RIGHT |
Extracts a substring from a string (starting from right) |
RPAD |
Returns a string that is right-padded with a specified string to a certain length |
RTRIM |
Removes trailing spaces from a string |
SPACE |
Returns a string with a specified number of spaces |
STRCMP |
Tests whether two strings are the same |
SUBSTR |
Extracts a substring from a string (starting at any position) |
SUBSTRING |
Extracts a substring from a string (starting at any position) |
SUBSTRING_INDEX |
Returns the substring of string before number of occurrences of delimiter |
TRIM |
Removes leading and trailing spaces from a string |
UCASE |
Converts a string to upper-case |
UPPER |
Converts a string to upper-case |