LFILL(x,a,n) is a
string function that inserts the character string a at the start of the character string x as often as required until the character string has reached the length n. If the character string a cannot be completely inserted without exceeding the specified total length, only the part that is needed to reach the total length is inserted.
Result of the LFILL(x,a,n) function | |
LFILL(x,a) |
The column x is filled with the characters of a until its maximum length is reached. |
x is NULL value |
NULL value |
a or n is the NULL value |
Error message |
Model table:
SELECT LFILL (firstname,' ',8) firstname, name, city
FROM customer
WHERE firstname IS NOT NULL AND city = 'Los Angeles'
FIRSTNAME |
NAME |
CITY |
Martin |
Porter |
Los Angeles |
Sally |
Peters |
Los Angeles |
Joseph |
Peters |
Los Angeles |
Susan |
Brown |
Los Angeles |
Anthony |
Jackson |
Los Angeles |
Thomas |
Adams |
Los Angeles |
RFILL(x,a,n) EXPAND(x,n)