This study guide covers the internal workings of a basic SQL SELECT statement in Oracle. We'll focus on how the query retrieves data from a table and how it determines which rows to select. The query ...

PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...

I need help with a Oracle SQL query. I have two tables, with data similiar to the following: One 'student' table with a date that the student registered and one 'semester' table with semester start ...