Oracle/PLSQL: Length Function

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

• Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i

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