Understanding Sql

The only book you'll ever need on SQL. The authors detail the changes in the new standard and provide a thorough guide to programming with SQL 2 for both newcomers and experienced programmers. The book is one that novice programmers should read cover to cover and experienced DBMS professionals should have as a definitive reference book for the new SQL 2 standard.

Written in clear, non-technical language, this book explains the fundamental concepts of relational database design. Using SQL (Structures Query Language) examples, the book provides a wealth of practical demonstrations of real-world applications.

What Is SQL guides beginners, experts, and intermediate readers through the most important aspects of declarative and procedural SQL. Knowledge gained includes the following: ? Designing, building, and querying relational databases in the latest versions of oracle and SQL server databases ? Performing data-quality operations that eliminate corrupted data from databases ? Extending the functionality of SQL using PL/SQL and programmable T-SQL ? Building and loading data warehouses without using an expensive ETL tool ? Troubleshooting and tuning SQL code and database designs ? Extensive use of built-in functions to retrieve and transform data ? Translating complex business rules into database constraints ? Creating advanced queries that answer complex business questions ? Manipulating data within tables ? Creating recoverable business transactions ? Perform nonstandard SQL operations such as deleting duplicate rows Obtain a free sample of oracle11i and SQL server 2012 databases.

Presenting a complete guide to SQL/PSM (Persistent Stored Modules), this book explores the basic concepts and then presents the entire PSM standard in a way designed for "real world" use. It teaches application developers to use new SQL extensions that allow complex operations to be performed on the server in client-server environments. This, in turn, improves system performance and saves time.

The authors have revised and updated this bestseller to include both the Oracle8i and new Oracle9i Internet-savvy database products.

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.