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Mastering Oracle SQL
Ebook Download Mastering Oracle SQL
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Product details
Paperback: 321 pages
Publisher: O'Reilly Media; 1 edition (April 2002)
Language: English
ISBN-10: 9780596001292
ISBN-13: 978-0596001292
ASIN: 0596001290
Product Dimensions:
7 x 0.8 x 9.2 inches
Shipping Weight: 12.6 ounces
Average Customer Review:
4.4 out of 5 stars
43 customer reviews
Amazon Best Sellers Rank:
#553,508 in Books (See Top 100 in Books)
Jan, 2006: I'm no SDE, but I had a need to learn enough SQL to enable me to hit my company's Data Warehouse tables directly and employ some complex joins. This was the book recommended to me, and it did the trick. I sat down and began reading it and was quickly writing increasingly complex queries. I found the explanations easy to follow, and the format intuitive. The only fault I found is that there is a lack of more complex join examples, as when there are more than one field being joined on or more than two tables being joined.UPDATE, May 2012: It's been over 6 years now since I first started reading Mastering Oracle SQL, 2nd Edition to learn SQL. Since then, writing SQL to extract data sets out of our Oracle databases has become my primary role, and more recently I've begun managing some table spaces via DDL. A few years back I began training coworkers how to write Oracle SQL to perform extracts using this as the textbook. I've since written my own 100+ page training manual that ties in specifics of our system, uses examples in our data warehouse, and has homework assignments to practice what they learn - but I still recommend my students read at least chapters 1-6 and chapter 9 of this book. Based on my own experience using this book as the sole resource to learn SQL, those 7 chapters provide 80% of the knowledge needed to extract data out of an Oracle database to answer business questions. The rest of the book has proven somewhat useful for my load and transform needs, too (creating & managing tables).In case the authors are listening and thinking of doing a 3rd edition, I would make one main suggestion: Focus only on extracting data from Oracle databases, leaving the data manipulation functions (INSERT/DELETE/UPDATE/MERGE) for another book, or shift all manipulation topics to the later chapters. My students who are trying to learn to extract data get a little confused when, in chapter 1, these table manipulation functions are covered. Starting with SELECT, FROM & ORDER BY, moving to WHERE clauses and operators, then to dates, joins, etc. would make the early chapters more streamlined for someone new to SQL. I also found that there are some gems in much later chapters (like Advanced Grouping in Chapter 13) that seems more elementary than topics in earlier chapters (Partitioning, PL/SQL & Objects and Collections).Other reviewers have balked at the claim that this is a beginning SQL book, but I beg to differ. It starts with the absolute basics, and builds on that chapter by chapter. It doesn't assume you know anything, in my opinion, about databases or SQL. I believe the audience of the book stated on xi of the Preface is accurate, as I fell into the 'anyone who needs to access data stored in an Oracle database for reporting or ad-hoc analysis' bucket, and this book helped me succeed. I was a guy with a degree in Zoology and previous database experience limited to using MS Access, and this book (+ several years experience/practice) has turned me into an expert. Focusing only on the extract side of SQL, here are the key chapters (IMO) and what they teach:Chapter 1 gives a brief history of SQL and brief explanation of a database. Then it introduces the SELECT and FROM clauses, used to define the table(s) from which the data needs to be extracted, and the elements to extract. It also covers ordering of results using ORDER BY.Chapter 2 introduces the WHERE clause to enable filtering of results, and various operators (=, IN, BETWEEN) to create filtering conditions. It also briefly introduces multi-condition logic - aka how the query acts when you have multiple conditions in the WHERE clause.Chapter 3 covers how to join tables together in various ways (which I've found are the most difficult topic for new learners).Chapter 4 teaches methods of aggregating results via DISTINCT and GROUP BY, and also introduces the HAVING clause - used to filter results after aggregation.Chapter 5 shows how to nest one query within another, such that the innermost query executes first, then it's result set is treated like table in the outer query.Chapter 6 deals with dates and time, including various methods to transform text strings to dates and vice versa.Chapter 9 covers the DECODE, NULLIF, NVL, NVL2, and CASE functions - the If/Then functions of Oracle SQLI find the topics covered in these chapters meet nearly all my extract needs.For those who are looking for a companion to this book or are specifically looking for a reference to keep handy on Oracle SQL functions and syntax, I would recommend Oracle SQL: the Essential Reference. I find it has a more robust Index and is better for quickly finding info on a function, whereas Mastering is more verbose because it's providing instruction.
I am fairly new (less than a year) to SQL and have not gotten very good training in my current position. It has been difficult to find a book that not only gave more than the basics without being too complex for my experience. This has been different. I am loving this book. It is thorough and explains more than I have seen but in language you can understand having limited experience. This has been my best purchase for learning Oracle SQL.I purchased the Kindle version, however am thinking of having a hard copy as well.
Wow! I loved this book. After launching my SQL life with the "Head First SQL" book and about 10 months of SQL experience, I really appreciated this book. It covered concepts very clearly, gave good examples, and even tackled complex subjects in a very understandable way. I borrowed this book from a friend to scan it before an interview Business Intelligence role and found it very easy to quick-scan. I liked it so much that I bought my own copy as a reference going forward. A must for every every SQL-user's library.
I have taught myself SQL over the last year and this book has been a great asset. When I'm working on queries really late at night and everyone else has already gone home, this is a great resource for question answering. It also gives it to you in simple terms as opposed to programming languages, which can occasionally be incredibly difficult to translate. Then you not only have to translate the programmer-talk, but then teach yourself what you think they're trying to say.All in all, I can only recommend this book because some of the other books I have used just don't cut it.
I use sql daily and was wanted an additional resource beyond my normal websites that i could have on hand. The book is well written and i have picked up some additional tips and tricks.
At the time when I bought this (used for very cheap), I had several years experience supporting applications on MSSQL databases. So, I became decently skilled at T-SQL DML (But, very weak on DDL). Then, I got a new position working strickly with DML in Oracle 10g. This book allowed me to learn some of the trappings or Oracle' ANSI SQL DML. But, it also made me understand some concepts that I wasn't fully clear on in MSSQL T-SQL. Good read. Its several years old, but still relevant. This stays on my desk now. Theres alot of stuff covered in here thats on some of the OCA SQL exams like 1Z0-047 and 1Z0-051.I also bought it as an ebook from the Android Market. That was great as well - especially for office toilet time.Note that this doesn't really go into PL\SQL... Theres only a very short chapter that talks about the concept of a PL\SQL progam, but thats it. If you need PL\SQL coding, there's another OReily book for that. But, I like the fact that this book is focused on ANSI SQL.
A clear explaination of how to use multiple nested views has saved the day. I can now run a single query on my large table (the table has 83 Million rows in it) and it completes by in a few hours. I have enjoyed reading it and becoming more experienced in SQL. In the past I would use Perl/DBI to access the database but now I do it through sqlplus because of the large datasets I am working with. I wish I bought this book a loong time ago.
good text if a bit dense. came with no understanding of SQL, but needed a thorough understanding of DML for what underlies my Oracle database at work, with which I primarily interact using Access. Probably overkill, but I like to know what's going on under the hood.
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