Sql Clearly Explained

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by Jan L. Harrington

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Book Description
If you're working with an enterprise DBMS, then you're probably using SQL, the standard query language for relational databases. Like most computer languages, SQL can be overwhelming when you first see it. The book you are holding will help you wipe away the confusion so that you understand SQL and how it works.

Packed with tips, tricks, and "that's how it works" information, SQL Clearly Explained covers proper structure of SQL queries, how to produce a desired result and minimize burden on SQL command processors, and how to modify data and database structure for ease of use and increased efficiency. Written with both beginner and intermediate database developers in mind, this clear concise guide teaches readers about the relationships between the distribution of data in a database and the way in which queries of various types are processed.

In this book, you will learn:
-- To formulate SQL queries.
-- How SQL queries are processed by a DBMS.
-- To choose SQL syntax that will maximize retrieval performance.
-- To use SQL to enter, modify, and delete data.
-- To create and maintain database structural elements and to use such elements to enhance database performance.
-- To embed SQL in application programs.
-- About various levels of SQL standard compliance.

Synopsis
This title is designed for anyone who needs to use SQL (Structured Query Language) with any database management system that supports the language. The book is equally useful to readers who have had little exposure to SQL and those with some experience. The title is packed with tips and tricks, along with basic information on how SQL works. .

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