Understanding SQL [Paperback]

This introduction to the SQL database manipulation language, based around the 1986 ANSI standard, uses DB2, dBASE IV SQL, Informix and Oracle as representatives of the range of over 50 SQL implementations.Introduction to SQL; SQL basic terms; an example of setting up a SQL system; creating databases and tables inputting data; querying the database; more about SELECT; updating the database; optimising performance; database security and integrity; embedded SQL; non-standard SQL; the relational model - the theory made practical.