Mastering Oracle SQL and SQL

SQL is the ANSI-standard language for accessing and manipulating relational databases. Anyone (programmers, administrators, or designers) who work with a relational databases need to understand the SQL language. While most books on the market do not properly cover the basics, this book differs: it explains fundamentals in detail, supported by realistic examples.You will gain full competence to define, access, and manipulate data in an Oracle database.