<p>If you write programs to run against an Oracle database, you spend a lot of time and mental energy writing queries to return the data your programs need. Knowledge of SQL, and particularly of Oracle's implementation of SQL, is the key to writing good queries in a timely manner. In this book, the authors share their knowledge of Oracle SQL, and show you many creative techniques that you can use to advantage in your own applications.This book shows you how to:</p>
<ul>
<li>Leverage Oracle's vast library of built-in SQL functions</li>
<li>Query time-based data, and write joins involving date and time ranges</li>
<li>Use Oracle SQL's hierarchical query features to deal with data best represented in a tree format</li>
<li>Use DECODE and CASE to implement conditional logic in your queries</li>
<li>Use Oracle's new, analytic SQL features to write ranking queries, lag and lead queries, windowing queries, and more</li>
<li>Join data from two or more tables using the newly supported SQL92 join syntax</li>
</ul>In addition, you'll see how SQL can best be integrated with PL/SQL. You'll also learn various best practices to help you write SQL queries that perform efficiently.Precious few books on the market today go beyond discussing syntax and the barest rudiments of using Oracle SQL. This book changes that, showing you how to creatively leverage the full power of SQL to write queries in an Oracle environment.

Mastering Oracle SQL

Computers & Technology

Sanjay Mishra

Software

O'Reilly Media

<p>The vast majority of Oracle Sql books discuss some syntax, provide the barest rudiments of using Oracle Sql, and perhaps include a few simple examples. It might be enough to pass a survey course, or give you some buzz words to drop in conversation with real Oracle Dbas. But if you use Oracle Sql on a regular basis, you want much more. You want to access the full power of Sql to write queries in an Oracle environment. You want a solid understanding of what's possible with Oracle Sql, creative techniques for writing effective and accurate queries, and the practical, hands-on information that leads to true mastery of the language. Simply put, you want useful, expert best practices that can be put to work immediately, not just non-vendor specific overview or theory. Updated to cover the latest version of Oracle, Oracle 10g, this edition of the highly regarded Mastering Oracle Sql has a stronger focus on technique and on Oracle's implementation of Sql than any other book on the market. It covers Oracle s vast library of built-in functions, the full range of Oracle Sql query-writing features, regular expression support, new aggregate and analytic functions, subqueries in the Select and With clauses, multiset union operators, enhanced support for hierarchical queries: leaf and loop detection, and the Connect_By_Root operator, new partitioning methods (some introduced in Oracle9i Release 2), and the native Xml datatype, Xmltype. Mastering Oracle Sql, 2nd Edition fills the gap between the sometimes spotty vendor documentation, and other books on Sql that just don't explore the full depth of what is possible with Oracle-specific Sql. For those who want to harness the untapped (and often overlooked) power of Oracle Sql, this essential guide for putting Oracle Sql to work will prove invaluable.</p>

Mastering Oracle SQL, 2nd Edition

Alan Beaulieu

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Studying & Workbooks

G.K Publications Pvt.Ltd

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Please Read Notes: Brand New, International Softcover Edition, Printed in black and white pages, minor self wear on the cover or pages, Sale restriction may be printed on the book, but Book name, contents, and author are exactly same as Hardcover Edition. Fast delivery through DHL/FedEx express.

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