In Oracle/PLSQL, the length function returns the length of the specified string.
Syntax
The syntax for the length function is:
length( string1 )
string1 is the string to return the length for. If string1 is NULL, then the function returns NULL.
Applies To
For Example
| length(NULL) | would return NULL |
| length('') | would return NULL |
| length('Tech on the Net') | would return 15 |
| length('Tech on the Net ') | would return 16 |