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Mastering Oracle SQL 2nd edition

Covers Oracle Database 10g

Paperback Engels 2004 9780596006327
€ 57,62
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Samenvatting

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.

Specificaties

ISBN13:9780596006327
Taal:Engels
Bindwijze:paperback
Aantal pagina's:472
Uitgever:O'Reilly
Hoofdrubriek:IT-management / ICT

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Over Alan Beaulieu

Alan Beaulieu has been designing, building, and implementing custom database applications for over 20 years. He currently runs his own consulting company that specializes in designing Oracle databases and supporting services in the fields of Financial Services and Telecommunications. In building large databases for both OLTP and OLAP environments, Alan utilizes such Oracle features as Parallel Query, Partitioning, and Parallel Server. Alan has a Bachelor of Science degree in Operations Research from the Cornell University School of Engineering. He lives in Massachusetts with his wife and two daughters.

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Inhoudsopgave

Preface

1. Introduction to SQL
What Is SQL?
A Brief History of SQL
A Simple Database
DML Statements
So Why Are There 17 More Chapters?

2. The WHERE Clause
Life Without WHERE
WHERE to the Rescue
WHERE Clause Evaluation
Conditions and Expressions
WHERE to Go from Here

3. Joins
What Is a Join Query?
Join Conditions
Types of Joins
Joins and Subqueries
DML Statements on a Join View

4. Group Operations
Aggregate Functions
The GROUP BY Clause
The HAVING Clause
Nested Group Operations

5. Subqueries
What Is a Subquery?
Noncorrelated Subqueries
Correlated Subqueries
Inline Views
Subquery Case Study: The Top N Performers

6. Handling Temporal Data
Time Zones
Temporal Data Types in Oracle
Literals of Temporal Types
Getting Temporal Data In and Out of a Database
Date and Time Formats
Manipulating Temporal Data

7. Set Operations
Set Operators
Precedence of Set Operators
Comparing Two Tables
Using NULLs in Compound Queries
Rules and Restrictions on Set Operations

8. Hierarchical Queries
Representing Hierarchical Information
Simple Hierarchy Operations
Oracle SQL Extensions
Complex Hierarchy Operations
Restrictions on Hierarchical Queries
Enhancements in Oracle Database 10g

9. DECODE and CASE
DECODE, NULLIF, NVL, and NVL2
The Case for CASE
DECODE and CASE Examples
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          Mastering Oracle SQL 2nd edition