Question

how can you create a primary key of multiple fields?​

Answer 1

sorry sisters I don't know what is it what to write

Answer 2

Explanation:

In the Table Designer, Select both rows, and then click the Primary Key button in the Toolbar. OR, open the Query Designer, change the view to SQL View, and type the following code: ALTER TABLE your_table_name ADD CONSTRAINT your_pk_name PRIMARY KEY(id1, id2);