Re: How to check for NULL values in ISQL

Posted in 1995

Andrew Miller — Fri, 13 Oct 1995 13:05:44 GMT — source: Informix-list mailing list archive (1991-1998)

kcj@netcom.com (Kate Juliff) wrote: >How do I check for nulls in a column of type INTEGER? Use an indicator variable for the host variable you're selecting into. The indicator variable will contain -1 if the field is NULL. See the "Indicator Variables" section of "Programming with ESQL/C for Windows" for more details. Andrew