In this chapter, we've added the power of DML to our SQL abilities. We learned to add, modify, and remove data from relational tables using
DELETE. We've learned the importance of adding limiting conditions to our
DELETE statements. We've learned about the concept of transactions and used
SAVEPOINT to achieve transaction control. Lastly, we've looked at the types of error messages generated by Oracle.
At this point in the book, we've learned the basics of retrieving and manipulating data with SQL statements. However, ...