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Understanding the New SQL: A Complete Guide (Morgan Kaufmann Series in Data Management Systems) (Englisch) Taschenbuch – 1. Oktober 1992

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Produktbeschreibungen

Synopsis

This is an effective introduction to SQL, and a comprehensive reference for years to come. As the editor of the 1992 standard, Jim Melton is an authority on the language and its new features. Using a highly readable, conversational style, he and Alan Simon clearly present the power of SQL. They describe practical methods of using SQL to solve problems, advanced SQL query expressions, dynamic SQL, transaction models, and database design. It includes a tutorial on basic relational database concepts. It presents a clear explanation of the differences between SQL-89 and SQL-92. It provides retail video and music store as an example that develops with the SQL presentation. It offers coverage of international character sets.

Über den Autor und weitere Mitwirkende

Jim Melton is editor of all parts of ISO/IEC 9075 (SQL) and is a representative for database standards at Oracle Corporation. Since 1986, he has been his company's representative to ANSI INCITS Technical Committee H2 for Database and a US representative to ISO/IEC JTC1/SC32/WG3 (Database Languages). In addition, Jim has participated in the W3C's XML Query Working Group since 1998 and is currently co-Chair of that Working Group. He is also Chair of the WG's Full-Text Task Force, co-Chair of the Update Language Task Force, and co-editor of two XQuery-related specifications. He is the author of several SQL books. Alan Simon is a leading authority on data warehousing and database technology. He is the author of 26 books, including the previous edition of this book and the forthcoming Data Warehousing and Business Intelligence for e-Commerce, available from Morgan Kaufmann Publishers in early 2001. He currently provides data warehousing-related consulting services to clients.



In diesem Buch

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Einleitungssatz
Conceived in the mid-1970s as a database language for the then new relational model, SQL was first standardized in 1986 and was modestly enhanced in 1989. Lesen Sie die erste Seite
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Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
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Format: Taschenbuch
This is a very useful book, and every professional user of SQL should read it. The authors demonstrate a clear understanding of the subject matter, and their writing style, with good examples, down-to-earth explanations, and the occasional touch of humor, is simply enjoyable. A particularly helpful feature of this book, is that syntax is shown in easy-to-read railroad diagrams.
It would have been helpful if the index was organized in such a way that one could immediately locate the railroad diagram for a given SQL statement. A separate list of railroad diagrams would also be nice. And although I consider heavy reliance on defaults to be bad programming practice, I would have appreciated it if just a quick look at a railroad diagram told me what defaults, if any, applied for the statement in question.
Any author of books or articles must have his or her target audience in mind. For example, what may be an excellent article for a trade magazine, would almost certainly be rejected by a scientific journal. Thus, when judging this book one must keep in mind the perspective of its authors. If you are looking for an academic textbook with emphasis on scientific rigor, then this book will disappoint you. It is pretty obvious that is not what this book was meant to be. If, on the other hand, you want a practically oriented book that will help you do your job in a better way, then this is a great place to start.
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Format: Taschenbuch
Given the first author's position as editor of the SQL92 standard and the association with Jim Gray, this book has been a surprising disappointment. The back cover of my edition describes it as "a valuable reference", states that it will "clarify the differences between SQL89 and SQL92", and targets it to both newcomers to SQL and experienced programmers. On the positive side, it is attractively typeset, the paragraphs individually are readable, and the railroad-track syntax diagrams are attractive. Taken as a whole however, "Understanding the new SQL" falls down.
As a reference, it frustrates. A good reference needs a good index, but the attractive railroad-track diagrams are not set off from other entries in the index, greatly slowing searches. And while there is a complete grammar for SQL92 in an appendix, its organization defies use as a reference.
The index is generally inadequate as well. For example, most operator char! acters are not indexed at all, and the word "operators" only indexes a peripheral subject. I have yet to determine the stance of the standard on case-sensitivity.
Comparison with SQL89 appears only occasionally in the body of the book. Most of it is in a laundry list in an appendix and not useful for reference. The discussion is sometimes less than rigorous or uncritical, for example dismissing the implementation-defined precision of INTEGER in a single sentence. As another example, only in the discussion of LIKE is treatment of trailing blanks by the related '=' operator discussed. The book is organized generally by language features and syntax, and is not as strong in moving from problem to solution.
Kommentar War diese Rezension für Sie hilfreich? Ja Nein Feedback senden...
Vielen Dank für Ihr Feedback.
Wir konnten Ihre Stimmabgabe leider nicht speichern. Bitte erneut versuchen
Missbrauch melden
Format: Taschenbuch
I confess I was a bit disappointed with the book. I hope its second edition will be more 'Complete' than the first one. 'An Introduction to SQL' would be a more appropriate title.
Kommentar War diese Rezension für Sie hilfreich? Ja Nein Feedback senden...
Vielen Dank für Ihr Feedback.
Wir konnten Ihre Stimmabgabe leider nicht speichern. Bitte erneut versuchen
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Die hilfreichsten Kundenrezensionen auf Amazon.com (beta)

Amazon.com: HASH(0x90cada8c) von 5 Sternen 4 Rezensionen
19 von 20 Kunden fanden die folgende Rezension hilfreich
HASH(0x91559eb8) von 5 Sternen Has its good points, but look for something better. 5. August 1998
Von C. Perdue - Veröffentlicht auf Amazon.com
Format: Taschenbuch
Given the first author's position as editor of the SQL92 standard and the association with Jim Gray, this book has been a surprising disappointment. The back cover of my edition describes it as "a valuable reference", states that it will "clarify the differences between SQL89 and SQL92", and targets it to both newcomers to SQL and experienced programmers. On the positive side, it is attractively typeset, the paragraphs individually are readable, and the railroad-track syntax diagrams are attractive. Taken as a whole however, "Understanding the new SQL" falls down.
As a reference, it frustrates. A good reference needs a good index, but the attractive railroad-track diagrams are not set off from other entries in the index, greatly slowing searches. And while there is a complete grammar for SQL92 in an appendix, its organization defies use as a reference.
The index is generally inadequate as well. For example, most operator char! acters are not indexed at all, and the word "operators" only indexes a peripheral subject. I have yet to determine the stance of the standard on case-sensitivity.
Comparison with SQL89 appears only occasionally in the body of the book. Most of it is in a laundry list in an appendix and not useful for reference. The discussion is sometimes less than rigorous or uncritical, for example dismissing the implementation-defined precision of INTEGER in a single sentence. As another example, only in the discussion of LIKE is treatment of trailing blanks by the related '=' operator discussed. The book is organized generally by language features and syntax, and is not as strong in moving from problem to solution.
7 von 8 Kunden fanden die folgende Rezension hilfreich
HASH(0x91559f18) von 5 Sternen A very useful source of information 25. März 2000
Von Ole J. Anfindsen - Veröffentlicht auf Amazon.com
Format: Taschenbuch
This is a very useful book, and every professional user of SQL should read it. The authors demonstrate a clear understanding of the subject matter, and their writing style, with good examples, down-to-earth explanations, and the occasional touch of humor, is simply enjoyable. A particularly helpful feature of this book, is that syntax is shown in easy-to-read railroad diagrams.
It would have been helpful if the index was organized in such a way that one could immediately locate the railroad diagram for a given SQL statement. A separate list of railroad diagrams would also be nice. And although I consider heavy reliance on defaults to be bad programming practice, I would have appreciated it if just a quick look at a railroad diagram told me what defaults, if any, applied for the statement in question.
Any author of books or articles must have his or her target audience in mind. For example, what may be an excellent article for a trade magazine, would almost certainly be rejected by a scientific journal. Thus, when judging this book one must keep in mind the perspective of its authors. If you are looking for an academic textbook with emphasis on scientific rigor, then this book will disappoint you. It is pretty obvious that is not what this book was meant to be. If, on the other hand, you want a practically oriented book that will help you do your job in a better way, then this is a great place to start.
Having worked with databases and related technologies for 18 years, I have seen so many books where the number of pages outweigh the knowledge of their authors by a factor of 2 or more (and just in case there are any publishers out there listening; computer professionals are sick and tired of having to read through hundreds of pages of blah-blah-blah in order to find the information we are looking for). This book is different. It contains 394 pages of ordinary chapters, followed by 133 pages of appendices, and the signal-to-noise ratio in all these pages is excellent.
If you are an application programer, a database administrator, or some other kind of database practitioner, and you are serious about your work, then there are some books I would consider more or less mandatory reading. This is one of them.
6 von 7 Kunden fanden die folgende Rezension hilfreich
HASH(0x9155b36c) von 5 Sternen Let's wait for the second edition 23. November 1999
Von Cliente Amazon - Veröffentlicht auf Amazon.com
Format: Taschenbuch
I confess I was a bit disappointed with the book. I hope its second edition will be more 'Complete' than the first one. 'An Introduction to SQL' would be a more appropriate title.
1 von 1 Kunden fanden die folgende Rezension hilfreich
HASH(0x9155b738) von 5 Sternen A full SQL stuff 11. August 2006
Von Adhoniran S. Gomes - Veröffentlicht auf Amazon.com
Format: Taschenbuch
Hey, if you want to learn SQL then you need to have this book. It's the SQL Guide to learning SQL, even being a beginner, but the book "SQL: 1999 - Understanding Relational Language Components" is the best choice, because is more complete, and the content include all "Understanding The New SQL" content.

Good luck!
Waren diese Rezensionen hilfreich? Wir wollen von Ihnen hören.