Maybe I am missing something, but why not:
UPDATE T SET T.Data = 1 WHERE . . .
With only 2 fields, what could be in your WHERE clause?
Hu Qinan wrote:
>A table T contains two fields: T.ID, T.Data.
>
>I want to set its T.Data to one of three values: NULL, 0, 1 according to its T.ID.
>
>This is wh
A table T contains two fields: T.ID, T.Data.
I want to set its T.Data to one of three values: NULL, 0, 1 according to its T.ID.
This is what I have done:
1. Set all Data to be NULL:
UPDATE T SET Data = NULL;
2. Create a temporary table Temp to store some selected T.ID. Then update the Data of