ingres_field_name
ingres_field_precision
Ingres Functions
PHP Manual

# ingres_field_nullable

(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0)

ingres_field_nullable — Test if a field is nullable.

### Description

bool ingres_field_nullable ( int `$index` [, resource `$link` ] )

ingres_field_nullable() returns `TRUE` if the field can be set to the `NULL` value and `FALSE` if it can't.

`index` is the number of the field and must be between 1 and the value given by ingres_num_fields().

See also ingres_query(), ingres_fetch_array(), ingres_fetch_object() and ingres_fetch_row().

ingres_field_name
ingres_field_precision
Ingres Functions
PHP Manual