topic Primary key allow null values?? in Application Development and Automation Discussions

Primary key allow null values??

Former Member — Tue, 07 Oct 2008 05:51:14 GMT

hi all,

I created ztable stu_info ,in that stu_no is primary key . this field allow null value also, i put a foreign key in other table.

I tick the field initialization for stu_no in dictionary.

stu_no primark key allow null values why??

Former Member — Tue, 07 Oct 2008 06:16:59 GMT

Hi,

After the chek box for primary key there is one more check box ..u have to check that to avoid having null values..

check box of initial values ...

Regards

Former Member — Tue, 07 Oct 2008 06:17:41 GMT

heading is Initial values..check that to avoid null values...

Former Member — Tue, 07 Oct 2008 07:12:14 GMT

THANK YOU VERY MUCH!!!

Former Member — Tue, 07 Oct 2008 07:17:44 GMT

This message was moderated.

Former Member — Wed, 08 Oct 2008 17:06:52 GMT

hi all.........

Actually there is something called intial values for each data type.

for char it is space and numc is 0.

so when wver u dont give any value it takes the initial value.

Thanks