Using SQL commands you can create, edit, view, run, and delete database objects.
"Oracle Database SQL Language Reference" for detailed information about SQL statements and other parts of SQL, such as operators, functions, and format models
"Oracle Database Concepts" for conceptual information about SQL
"SQL*Plus User's Guide and Reference" for information about SQL*Plus, Oracle's version of SQL
"Oracle Database Sample Schemas" for information about the
HRsample schema that is used for examples in this chapter