SQL Performance Explained
by Markus Winand
Number of pages: 91
SQL performance problems are everywhere, everyday. SQL Performance Explained is a free SQL tuning e-book for developers. It avoids unnecessary details about database internals but highlights the one topic that is most often neglected: proper indexing.
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by Zed A. Shaw - LCodeTHW
This book will teach you the 80% of SQL you probably need to use it effectively, and will mix in concepts in data modeling at the same time. The book is written for people with no prior database, programming, or SQL knowledge.
by Philip Greenspun
Introduction to SQL: data modeling, simple queries, complex queries, transactions, triggers, views, style, PL/SQL and Java, trees, handling dates in Oracle, limits in Oracle, tuning, data warehousing, foreign and legacy data and normalization.
by Mark McIlroy - Blue Sky Technology
An introduction to the use of SQL to retrieve data and generate query result tables. The book covers SQL queries and is suitable for beginners and intermediate users. This includes an on-line environment where you can try out the examples.
by Krishna Rungta - guru99
SQL stands for Structured Query Language. It is the communication languages to talk to any database. This book is designed for beginners with little or no Database experience. Apart from teaching the SQL, it also covers the Database design process.