Keep in mind that if you remove a primary or candidate key then you'll lose any referential integrity. I don't know if that matters. I still think there's gotta be a better way than removing PK. JMO.

>>During Database maintenance management, I have to switch off/on primary key of concerned table.
>>Can anybody help me for the correct dbsetprop() syntax ?
>>
>>Thank you.
>
>To remove:
>
>ALTER TABLE Mytable DROP PRIMARY KEY
>
>to add:
>
>ADD PRIMARY KEY mykey TAG MyKey