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    Summary

    by Peter Gulutzan and Trudy Pelzer (click to see Amazon user reviews):

    Book Book Book Book

    SQL Performance Tuning

    A book by Peter Gulutzan and Trudy Pelzer, published by Addison-Wesley in September 2002. Advice and explanation about what affects database performance, based on experience and testing with eight SQL DBMSs (DB2, Informix, Ingres, InterBase, Microsoft, MySQL, Oracle, Sybase). Example topics: what syntax is faster, how indexes work, when to use stored procedures, where bottlenecks can happen.

    Reviews

    Check the review at The Association of C and C++ Users ACCU Book Review site. Reviewer Christopher Hill says: "This should not be your first book on SQL, but every DBA and SQL writer should have a copy to hand. Highly recommended."

    Check the review at Microsoft Certified Professional Magazine. Reviewer David W. Tschanz calls SQL Performance Tuning an "instant classic".

    Check the review at sql-server-performance.com. This well-known site says: "If you are in any way involved as a DBA or developer who uses SQL in their job, this book is a must addition to your library"!

    Check the review by Craig Mullins (author of several DB2 and database administration books), who says: "This book provides a comprehensive overview of SQL performance tuning giving guidance and advice on how to properly code and tune SQL for the major DBMS products ... . Very useful and well written." Later Mr Mullins added: "The first SQL book I recommend is SQL Performance Tuning by Peter Gulutzan and Trudy Pelzer."

    Check the review at Java Ranch. This reviewer says: "Every SQL expert wishes they had had this book when they started. It would have saved them years of frustration. ... Buy this book now."

    Check the review at eWEEK. Gulutzan and Pelzer did a "wonderful job" says reviewer Peter MacIntyre.

    Notice the short answer that PHP expert Lukas Smith gives in answer to an interviewer's request for a book recommendation: "I know SQL is not hip these days, but SQL Performance Tuning by Peter Gulutzan and Trudy Pelzer was probably the most important book for my career. I learned so much, which gave me the confidence to really step up and from there I was able to grow my knowledge in every direction I needed to go."

    Earlier Gulutzan/Pelzer books got favourable reviews from industry experts like Jeff Duntemann and Joe Celko. Readers of the last book (SQL-99 COMPLETE, REALLY) put these comments on amazon.com:
    "The only book I'd recommend"
    "A truly superb reference book"
    "Best manual I've read in years"

    The publisher (Addison-Wesley) sent pre-publication copies of SQL PERFORMANCE TUNING to some well-known authors, DBAs, and instructors. Here are quotes from their technical reviews:

  • From an Oracle author ... "I found the frequent database comparisons quite interesting to read. I would definitely market this book to the college level IT courses. Hats off to the authors, this was a tremendous effort, studying the workings of these 8 different databases. Some serious time has been committed to this project."
  • From a Sybase author ... "Readers will find lots of information that will help them improve the performance of their SQL databases. The writing style is lively and humorous, the content technical.I think most SQL users of any sophistication will want a copy."
  • From a consultant ... "It clearly stands apart as this is the only attempt of vendor independent analysis. To sum up - the book is very good."
  • From a DB2 author ... "The authors have done a tremendous amount of research into SQL performance across multiple DBMS products. This book will be a great resource for anyone using more than one DBMS!"
  • From a senior lecturer in database management ... "This is a very important book for SQL programmers and teachers of database programming. The authors have done a huge effort in their test series which bring useful information and real facts instead of the usual beliefs about 8 mainstream database products, and with respect to the new SQL standard."

    Click here for errata and information that became available after we went to print.

    Table Of Contents

    CHAPTER 1 / Facilis Descensus Averni

    This Subject Is Important ... The Big Eight ... Installation Parameters ... Test Results ... Portability ... Terminology and Expectations ... Conventions ... Generalities

    CHAPTER 2 / Simple Searches

    General Tuning ... Code for Points ... Constant Propagation ... Dead Code Elimination ... Ensure You use the Right DBMS ... Constant Folding ... Case-insensitive Searches ... Sargability ... The Bottom Line: General Tuning ... Specific Tuning ... AND ... OR ... AND Plus OR ... NOT ... IN ... LIKE ... SIMILAR ... UNION ... EXCEPT ... INTERSECT ... CASE ... The Bottom Line: Specific Tuning ... Style Notes ... Parting Shots

    CHAPTER 3 / ORDER BY

    General Sort Considerations ... The ORDER BY clause ... To Sort or not to Sort ... The Bottom Line: General Sorts ... Character Sorts ... Character Sort Support ... Collations ... The Bottom Line: Character Sorts ... Other Options ... Sort Keys ... Encouraging Index Use ... Pre-Ordering ... The Bottom Line: Other Options ... Parting Shots

    CHAPTER 4 / GROUP BY

    Refresher ... Optimal GROUP BY clauses ... HAVING ... Alternatives to GROUP BY ... The Bottom Line: Optimal GROUP BY clauses ... Sorting ... Indexes ... The Bottom Line: Sorting ... Set Functions and Summary Aggregates ... COUNT ... SUM trouble ... Multiple Aggregation Levels ... Expressions ... The Bottom Line: Aggregates ... Parting Shots

    CHAPTER 5 / Joins

    Join Plan Strategies ... Nested-loop Joins ... The Bottom Line: Nested-loop join plans ... Sort-merge Joins ... The Bottom Line: Sort-merge join plans ... Hash Joins ... The Bottom Line: Hash join plans ... Avoid the Join Strategies ... Join Indexes ... Composite Tables ... The Bottom Line: Avoiding joins ... 3-way Joins and Beyond ... Old Style versus ANSI Style ... Outer Joins ... Parting Shots

    CHAPTER 6 / Subqueries

    Refresher ... Join versus Subquery ... Flattening ... The Bottom Line: Join versus Subquery ... Syntax Choices ... IN ... DISTINCT ... EXISTS ... IN or EXISTS? ... Double INs ... TOP ... > ALL ... Set Operations ... The Bottom Line: Syntax Choices ... Parting Shots

    CHAPTER 7 / Columns

    How Big Is The Size Factor? ... Fixed or Variable? ... The Bottom Line: The Size Factor ... Characters ... Length Specification ... Variant Character sets ... The Bottom Line: Characters ... Temporals ... The Bottom Line: Temporals ... Numbers ... Integers ... Floats ... Decimals ... Serials ... The Bottom Line: Numbers ... Bits ... The Bottom Line: Bits ... Large Objects ... The Bottom Line: LOBs ... NULLs ... The Bottom Line: NULLs ... Column Order Within Rows ... The Bottom Line: Column Order ... Parting Shots

    CHAPTER 8 / Tables

    The Storage Hierarchy ... Pages ... LOB Pages ... Extents ... Read Groups ... Files ... Partitions ... Tablespaces ... The Bottom Line: Storage Hierarchy ... Heaps ... ROWID ... Migration ... Fragmentation ... Free Page Space ... The Bottom Line: Heaps ... Clusters ... The Bottom Line: Clusters ... The Normal Forms ... Breaking Normalization Rules ... The Bottom Line: Normalization ... Views ... The Bottom Line: Views ... Parting Shots

    CHAPTER 9 / Indexes

    Refresher ... B-trees ... Searching a B-tree ... Inserting into a B-tree ... Deleting from a B-tree ... Fragmentation ... Rebuilding a B-tree ... The Bottom Line: B-trees ... Types of Indexes ... Compound Indexes ... Covering Indexes ... Unique Indexes ... Clustered Indexes ... Strong Clustered Indexes ... Choice of Clustered Key ... Secondary Indexes to a Strong Clustered Index ... The Bottom Line: Types of Indexes ... Bitmap Indexes ... The Bottom Line: Bitmap Indexes ... Other Index Variations ... Index Key Values ... The Bottom Line: Index Key Values ... Parting Shots

    CHAPTER 10 / Constraints

    NOT NULL ... NULL Indicators ... The Bottom Line: NOT NULL Constraints ... CHECK ... The Bottom Line: CHECK Constraints ... FOREIGN KEY ... The Bottom Line: FOREIGN KEY Constraints ... PRIMARY KEY ... The Bottom Line: PRIMARY KEY Constraints ... UNIQUE ... The Bottom Line: UNIQUE Constraints ... Triggers ... The Bottom Line: Triggers ... Disabling Constraints ... Defer ... Disable ... Drop ... The Bottom Line: Disabling Constraints ... Client Validations ... The Bottom Line: Client Validations ... Redundant SELECT clauses ... The Bottom Line: Redundant SELECTs ... Parting Shots

    CHAPTER 11 / Stored Procedures

    Refresher ... Determinism ... Advantages of Stored Procedures ... Less Traffic ... Semi-Precompilation ... Parameters ... Other Tips ... The Bottom Line: Stored Procedures ... Parting Shots

    CHAPTER 12 / ODBC

    Refresher ... Tracing MS-Query ... SQLPrepare ... The Bottom Line: SQLPrepare ... Fetch Loops ... The Bottom Line: Fetch Loops ... Data Change Statements ... The Bottom Line: Data Change Statements ... Catalog Functions ... The Bottom Line: Catalog Functions ... Parting Shots

    CHAPTER 13 / JDBC

    Connections ... Connection Pooling ... Connection Settings ... Auto-commit ... Isolation Level ... Connections and DBMS Info ... The Bottom Line: Connections ... Query Prepping ... Query Statement ... Query Syntax ... getBestRowIdentifier ... ResultSetMetaData ... Query Settings ... Scroll Type ... Concurrency Type ... FetchSize ... The Bottom Line: Query Prepping ... Result Sets ... How Many Rows? ... getXXX methods ... Impedance ... Close ... The Bottom Line: Result Sets ... Data Changes ... The Bottom Line: Data Changes ... Parting Shots

    CHAPTER 14 / Data Changes

    Logs ... The Bottom Line: Logs ... INSERT ... Bulk INSERT ... The Bottom Line: INSERT ... UPDATE ... Dependent UPDATE ... Batch UPDATE ... The Bottom Line: UPDATE ... DELETE ... The Bottom Line: DELETE ... Ugly Updates ... The Bottom Line: Ugly Updates ... FETCH & Data Changes ... The Bottom Line: FETCH & Data Changes ... COMMIT & ROLLBACK ... The Bottom Line: COMMIT & ROLLBACK ... Parting Shots

    CHAPTER 15 / Locks

    What is a Lock? ... Lock Modes ... Granularity ... Escalation ... Intent locks ... The Bottom Line: Locks ... Isolation Levels ... Concurrency Problems and Isolation Levels ... READ UNCOMMITTED Transactions ... READ COMMITTED Transactions ... REPEATABLE READ Transactions ... SERIALIZABLE Transactions ... READ ONLY or FOR UPDATE ... Deadlocks ... The Bottom Line: Isolation Levels ... Index Locks ... The Bottom Line: Index Locks ... Hot Spots ... The Bottom Line: Hot Spots ... Optimistic Locking ... The Bottom Line: Optimistic Locking ... The Scan Trick ... Parting Shots

    CHAPTER 16 / Clients and Servers

    Middleware ... The Bottom Line: Middleware ... Server Processes & Threads ... Separateness and Parallelism ... The Bottom Line: Server Processes & Threads ... What should the Client do? ... Bottom Line: Client Tips ... Parting Shots

    CHAPTER 17 / Cost-Based Optimizers

    Cost ... Statistics & Histograms ... Analyzing Statistics ... EXPLAIN ... Hints ... Parting Shots

    Appendixes

    Glossary ... Further Reading


    SQL Performance Tuning was DB2 Magazine's "Featured Title" for November 2002.

    HOW TO ORDER


    You can call your local bookstore. Tell them the title is "SQL Performance Tuning"; the authors are "Peter Gulutzan & Trudy Pelzer"; the publisher is "Addison-Wesley"; and the ISBN is "0-201-79169-2".


    You can order from the publisher. To order multiple copies or ask about textbook pricing, go to Addison-Wesley's site.


    You can order from amazon. If you're in North America, go to amazon.com now.


    SQL-99 Complete, Really

    The standard reference book for SQL-99 (formerly known as SQL3).

    GENERAL BOOK INFO . Size 1078 pages plus about 400 on the accompanying CD-ROM.

    CHAPTER HEADINGS:
    Introduction, General Concepts, Numbers, Bit Strings, Binary Strings, Characters, Character Strings, Temporal Values, Boolean Values, Collection Types, Row Types, Reference Types, NULLs, SQL Clusters, AuthorizationIDs, SQL Catalogs, SQL Schemas, SQL Tables and Views, SQL Domains, SQL Constraints and Assertions, SQL Character Sets, SQL Collations, SQL Translations, SQL Triggers, SQL-Invoked Routines, PSM, User-Defined Types, Introduction to SQL-Data Operations, Simple Search Conditions, Searching With Joins, Searching With Subqueries, Searching With Set Operators, Searching With Groups, Sorting Search Results, Changing SQL-Data, SQL Transactions, SQL Transaction Concurrency, SQL Sessions, Embedded SQL Binding Style, SQL/CLI Binding Style, SQL/CLI: env Functions, SQL/CLI: SQL/CLI: dbc Functions, SQL/CLI: stmt Functions, SQL/CLI Statement Functions, SQL/CLI: Cursor Functions, SQL/CLI: desc Functions, SQL/CLI Diagnostic Functions, SQL/CLI: General Functions, SQL/CLI Deferred Parameter Functions, SQL/CLI Locator Functions, SQL/CLI Catalog Functions, Module Binding Style, Style, Remote Database Access, SQL Taxonomy, Non-Portable SQL Features, Incompatibilities with SQL-92, SQL Web Sites, Glossary.

    The CD-ROM includes a sample DBMS.

    Title = "SQL-99 Complete, Really";

    Authors = "Peter Gulutzan & Trudy Pelzer";

    Year = "1999";

    Publisher = "CMP Books";

    ISBN = "0-87930-568-1"

    Click here to order from amazon. But Amazon will only have used copies of the printed edition. The entire book is now available free online via "MariaDB Knowledge Base", which is a better bet.





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