Question

How will you add a foreign key to a relation?

Options

• Alter table table_name add foreign key(column_name) References reference_table(column_name);

• Alter table table_name add foreign_key( column_name) References reference_table( column_name);

• Alter table table name add foreign key( column_name) References reference_table;

• Any of the above methods can be used

Answer 1

Alter table table_name add foreign key(column_name) References reference_table(column_name);