The Practical SQL Handbook: Using SQL Variants

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The Practical SQL Handbook begins with a step-by-step introduction to SQL basics and examines the issues involved in designing SQL-based database applications. It fully explores SQL's most popular implementations from industry leaders, Oracle, Microsoft, Sybase, and Informix.

Highlights include:
*Detailed coverage of SQL commands for creating databases, tables, and indexes, and for adding, changing, and deleting data
*Using the SELECT command to retrieve specific data
*Handling NULL values (missing information) in a relational database
*Joining tables, including self joins and outer joins (ANSI and WHERE-clause syntax)
*Working with nested queries (subqueries) to get data from multiple tables
*Creating views (virtual tables) to provide customized access to data
*Using SQL functions

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