Requires alter permission on the table. using sql server management studio to disable a foreign key constraint for insert and update statements. in object explorer, expand the table with the constraint and then expand the keys folder. right-click the constraint and select modify.. I have a problem while updating data in tables through c# widows form i have 2 tables,linked with foreign key i didn't find any solution for query for 2 tables i use this code for simple update but i want to update data in 2 tables with foreign key. I have 2 tables , please check images attached. pk: pk fk: fk p_id in pk table is the primary key and p_id in fk table is the foreign key. i need to add 10 to all records in p_id column of both pk and fk table( meaning they need to match always).
Cascade primary key update to all referencing foreign keys. up vote 10 down vote favorite. 2. alter table again to create the on update cascade constraint for the fk in question. this takes a bit of effort, but would result in your constraint being properly set for your case.. Sql foreign key constraint. a foreign key is a key used to link two tables together. a foreign key is a field (or collection of fields) in one table that refers to the primary key in another table.. Table a has a referential relationship with table b: the a.itemid foreign key references the b.itemid primary key. if an update statement is executed on a row in table b and an on update cascade action is specified for a.itemid, sql server compact edition checks for one or more dependent rows in table a..
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