Puoi trovare il nome del vincolo in INFORMATION_SCHEMA.TABLE_CONSTRAINTS
select CONSTRAINT_NAME
from INFORMATION_SCHEMA.TABLE_CONSTRAINTS
where TABLE_NAME = 'Table1'
Puoi trovare il nome del vincolo in INFORMATION_SCHEMA.TABLE_CONSTRAINTS
select CONSTRAINT_NAME
from INFORMATION_SCHEMA.TABLE_CONSTRAINTS
where TABLE_NAME = 'Table1'