In MariaDB, EXTRACTVALUE() is a built-in string function that returns CDATA from an XML fragment.
The way it works is that it accepts two string arguments: a fragment of XML markup and an XPath expression (i.e. a locator). EXTRACTVALUE() then returns the CDATA (i.e. the text) of the first text node which is a child of the element or elements matching the XPath expression.
In MariaDB, TRIM() is a built-in string function that removes characters from the start or end of a string.
By default it removes leading and trailing spaces, but you can specify which character to remove, as well as which side/s you’d like it removed from.
Continue readingIn MariaDB, RTRIM() is a built-in string function that returns a string with any trailing space characters removed.
In MariaDB, LTRIM() is a built-in string function that returns a string with any leading space characters removed.
In MariaDB, the LOAD_FILE() function reads a file and returns the file contents as a string.
In MariaDB, RPAD() is a built-in string function that pads the right part of a string with a certain number of a specified character.
For example, you can use RPAD() to pad the right part of a string with dots.
In MariaDB, LPAD() is a built-in string function that pads the left part of a string with a certain number of characters.
For example, you can use LPAD() to pad the left part of a string with spaces. Or you could pad a number with leading zeros.
In MariaDB, RIGHT() is a built-in string function that returns a given number of characters from the rightmost part of a string.
RIGHT() accepts two arguments; the string, and the number of characters to return from the right part of that string.
In MariaDB, UCASE() is a built-in string function that returns its string argument with all characters changed to uppercase.
The result is returned in the current character set mapping. The default is latin1 (cp1252 West European).
UCASE() is a synonym for UPPER().
In MariaDB, UPPER() is a built-in string function that returns its string argument with all characters changed to uppercase.
The result is returned in the current character set mapping. The default is latin1 (cp1252 West European).
Another MariaDB function, UCASE() is a synonym for UPPER().