Which of the following is true to implement the Buy/Sell Transactions and Brokers classes and the association between them in the preceding UML class diagram in a database?

Multiple Choice

• The primary key of Brokers is a foreign key in Buy/Sell Transactions.

• The primary key of Buy/Sell Transactions is a foreign key in Brokers.

• The association between Brokers and Buy/Sell Transactions is implemented as a linking table.

• Both "The primary key of Brokers is a foreign key in Buy/Sell Transactions" and "The primary key of Buy/Sell Transactions is a foreign key in Brokers" are true.

• None of these is true.

Stock Exchanges Brokers 6 1.1 21.. 5 0.. 1..1 0.. Stocks Buy/Sell Transactions 3