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Type of bind: Paperback
Dewey Decimal Number: 005.133
EAN num: 9781583470541
ISBN number: 1583470549
Label: Mc Press
Manufacturer: Mc Press
Quantity: 1
Page Count: 176
Printing Date: June 15, 2005
Publishing house: Mc Press
Sale Popularity Level: 588726
Studio: Mc Press
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Editor's Notes and Comments:
Product Description:
Stored procedures and built-in functions can greatly expand the power and usefulness of SQL, but surprisingly these highly useful tools remain untapped by many programmers. For programmers who are new to the subject or those who want to expand on what they already know, this book provides a terrific introduction to the creation and use of built-in functions and stored procedures under OS/400 and i5/OS. But what are they?
Built-in functions are a part of practically every programming language and can be a big boost to productivity by identifying and isolating functions that need to be executed repeatedly. SQL makes particularly good use of its built-in functions. Stored procedures are programs that can be called from within SQL—and other programming languages, such as RPG—to process entire datasets. This book will put you on the fast track to using and writing both effectively.
After you learn the basics of these powerful tools, you?ll go on to explore some of the stored procedures and functions included with SQL on the iSeries as part of OS/400 and i5/OS. Author Mike Faust even explains the process of developing custom built-in functions for your own use and has included a stored procedure that can be used to create a crosstab or pivot table representation of supplied data.
This book is the tool you need to boost the power of your i5/OS SQL programming skills.
With SQL Built-In Functions and Stored Procedures, you will:
– Discover how to perform routine maintenance functions, such as copying a file or rebuilding an existing table without losing the data in the existing table.
– Learn how to build data files, modify a library list, and compile programs.
– Practice using example programs that not only teach, but also make excellent additions
to any programmer's library.
– Learn how to use 11 different functions, including functions to edit numeric values for print with commas, decimal points, and currency symbols; a function that returns the distance in miles between two ZIP codes; functions to convert date and currency to a text string and more.
– Gain acess to complete code on the Web for each function, which you can use directly in your own programs.
User popularity level:
Rated by buyers 
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I am a computer programmer/analyst for a major manufacturing company and a need has recently come for us to write some stored procedures for interfacing our machine software on PC workstations with our AS/400. I've written many RPG IV programs with embedded SQL and even wrapped them in stored procedures, but I wanted to learn SPL to try to avoid the middle man. This book was NOT easy-to-understand as advertised. Rather than explain, line by line, what each command does/means so that you can use it for your own purposes, he just gives you an example procedure and tells you what it does. These procedures are supposed to be useful, but we can't use many of them and I think some would be much better served in other languages. I found this book very poorly written and difficult to follow. It started out just fine, but about 50+ pages into it he abandons his clear explanations and goes far beyond a beginner's means--like flooring the pedal in a Firebird. It was almost as if he had a deadline to meet and wrote the second half of the book in a fraction of the time he spent on the very first half. If I wanted something so technical and confusing I would have read the free IBM manual rather than buy this book. MC PRESS needs to change this book's rating from 'Novice' to 'Advanced' and a second edition needs to be released correcting all the errors. Mr. Faust you dropped the ball on this one.
Rated by buyers 
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Mike Faust did it again. He has given busy professionals a
detailed, percise "how-to" book for SQL built-in functions and stored procedures. There's no excuse not to use these useful, time saving tools once you purchase this book.
Rated by buyers -
This book concentrates on using the IBM mid-range computer systems with DB2 as the database.
SQL, is usually thought of as simply a bunch of commands used to manipulate data in a database. Most books talk about the big three SQL commands of SELECT, INSERT, and UPDATE as being just about all that SQL can do.
In reality, the "L" stands for "Language" and the full fledged SQL's in the big databases are full fledged languages. Like other languages, they have logic, loops, functions, and internal variables just like other languages.
While SQL is a standard, each implementation does things just a bit differently. This small book gives a very quick overview of the standard commands like SELECT, but spends most of its pages on doing stored procedures the IBM way.
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