2.1. Some SQL Formalities
A database engine is the part of an RDBMS that actually stores and retrieves data to and from the data files. The database engine is not very useful unless you can send SQL (Structured Query Language) commands to it and receive the results from those SQL commands (if any).
SQL (Structured Query Language)
The industry-standard database language used to query and manipulate the data, structures, and permissions in a relational database.
NOTE
"SQL" is usually pronounced "sequel," but if you refer to "S-Q-L" in a conversation with other database developers and DBAs, they will certainly know what you're talking about!
It is also important to separate the SQL commands from the command processor itself. For example, Oracle's ...
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