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Refactoring SQL Applications
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What can you do when database performance doesn't meet expectations? Before
you turn to expensive hardware upgrades to solve the problem, reach for this
book. Refactoring SQL Applications provides a set of tested options for making
code modifications to dramatically improve the way your database applications
function. Backed by real-world examples, you'll find quick fixes for simple
problems, in-depth answers for more complex situations, and complete solutions
for applications with extensive problems. Learn to:
• Determine if and where you can expect performance gains
• Apply quick fixes, such as limiting calls to the database in stored functions
and procedures
• Refactor tasks, such as replacing application code by a stored procedure,
or replacing iterative, procedural statements with sweeping SQL statements
• Refactor flow by increasing parallelism and switching business-inducted processing
from synchronous to asynchronous
• Refactor design using schema extensions, regular views, materialized views,
partitioning, and more
• Compare before and after versions of a program to ensure you get the same
results once you make modifications
Refactoring SQL Applications teaches you to recognize and assess code that needs
refactoring, and to understand the crucial link between refactoring and performance.
If and when your application bogs down, this book will help you get it back
up to speed.
About the Authors
Stéphane Faroult first discovered relational databases and the
SQL language back in 1983. He joined Oracle France in their early days (after
a brief spell with IBM and a bout of teaching at the University of Ottawa) and
soon developed an interest in performance and tuning topics. After leaving Oracle
in 1988, he briefly tried to reform and did a bit of operational research, but
after one year, he succumbed again to relational databases. He has been continuously
performing database consultancy since then, and founded RoughSea Ltd in 1998.
He is the author of "The Art of SQL" and of "Refactoring SQL
Applications".
Pascal L'Hermite has been working with relational databases in OLTP,
production and development environments on Oracle Databases for the past 12
years and on Microsoft SQL Server for the past 5 years.
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