The Pragmatic Programmer is a very fine book, so I set off with high expectations for Seven Databases in Seven Weeks, which is from the same publisher (The Pragmatic Bookshelf).
I was quickly disappointed.
The Foreward suggests that relational databases are dull and that the NoSQL databases are a breath of fresh air. At least the book shows its bias at the outset.
I can sort-of tolerate bias, especially if it is declared up front, but blatant errors are not acceptable. People will be seriously misled by this book.
Page 5: columnar databases are not an alternative to relational. Columnar is a storage technique, not a logical database structure… Read more