Preface
This book was designed for CS245, the second course in the database sequence
at Stanford. Here, the first database course, CS145, covers database design
and programming, for which the book A
First
Course
in
Database Systems
by Jeff Ullman and Jennifer
Widom,
Prentice-Hall, 1997, was written. The
CS245 course then covers implementation of a DBMS, notably storage struc-
tures, query processing, and transaction management.
Use of the Book
We're on a quarter system at Stanford, so the principal course using this book —
CS245 — is only ten weeks long. In the Winter of 1999, Hector
Garcia-Molina
used a
"beta"
version of this book, and covered the following parts: Sections
2.1-2.4, all of Chapters 3 and 4, Sections 5.1 and 5.2, Sections 6.1-6.7, Sections
7.1-7A,
all of Chapter 8, Chapter 9 except for Section 9.8, Sections 10.1-10.3,
Section
11.1,
and Section 11.5.
The balance of Chapters 6 and 7 (query optimization) is covered in an
advanced course, CS346, where students implement their own DBMS. Other
portions of the book that are not covered in CS245 may appear in another
advanced course, CS347, which talks about distributed databases and advanced
transaction processing.
Schools that are on the semester system have the opportunity to combine
the use of this book with its predecessor: A First Course in Database Systems.
We recommend using that book in the first semester, coupled with a database-
application programming
project.
The second semester could cover most or all
of the content of this book. An advantage to splitting the study of databases into
two courses is that students not planning to
specialize
in DBMS construction
can take only the first course and be able to use databases in whatever branch
of Computer Science they enter.
Prerequisites
The course on which the book is based is rarely taken before the senior year, so
we expect the reader to have a fairly broad background in the traditional areas
iii
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