Understanding the primary and foreign key relationship is not important to join on the correct columns.a.Trueb.False

Analysis of the Statement

1. Understanding Keys:

   • Primary keys uniquely identify a record in a table. Each table in a relational database should have a primary key.
   • Foreign keys are used to link two tables together. A foreign key in one table points to a primary key in another table.

2. Join Operations:

   • Joining tables requires that the correct columns are compared, which usually involves using primary keys and foreign keys.

Conclusion

Understanding the primary and foreign key relationship is crucial for ensuring that joins between tables are performed correctly. Without this knowledge, one may mistakenly join tables on the wrong columns, leading to incorrect results.

Final Answer

b. False