String Function CHAR_LENGTH(x)

The following program shows the query for this function −

Query

0: jdbc:drill:zk = local> select char_length('Drill') from (values(1));

Result

+————————+
| EXPR$0 |
+——————-—+
|   5    | 
+——————-—+

The query returns the output value length as 5 for the string “Drill”.