Name
isstring — returns true if its argument is of type varchar
Synopsis
boolean
isstring
(
|
arg
anything
) ; |
Description
isstring returns one if its argument is of type VARCHAR, zero otherwise.
Parameters
arg
Some variable to be assessed.
Examples
Example 24.190. Simple Use
SQL>select isstring('Cadena de los patos amarillos') -> 1 (Yes it is a string)