Lesson 2. Getting Started with Oracle and PL/SQL
In this lesson, you’ll learn what Oracle and PL/SQL are, and what tools you can use to work with them.
What Is Oracle?
In the previous lesson, you learned about databases and SQL. As explained, it is the database software (DBMS or Database Management System) that actually does all the work of storing, retrieving, managing, and manipulating data. Oracle DBMS (or just “Oracle”) is a DBMS; that is, it is database software.
Oracle has been around for a long time. The first version of the DBMS was released in the 1970s, and it has been updated and improved regularly ever since. The current (as of the time this book goes to print) version of Oracle is 12c, which was released in 2013 (the “c” in 12c ...
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