MASK_LAST_N
mask_last_nβ
descriptionβ
syntaxβ
VARCHAR mask_last_n(VARCHAR str[, INT n])
Returns a masked version of str with the last n values masked. Upper case letters are converted to "X", lower case letters are converted to "x" and numbers are converted to "n". For example, mask_last_n("1234-5678-8765-4321", 4) results in 1234-5678-8765-nnnn.
exampleβ
// table test
+-----------+
| name |
+-----------+
| abc123EFG |
| NULL |
| 456AbCdEf |
+-----------+
mysql> select mask_last_n(name, 5) from test;
+------------------------+
| mask_last_n(`name`, 5) |
+------------------------+
| abc1nnXXX |
| NULL |
| 456AxXxXx |
+------------------------+
keywordsβ
mask_last_n
