In this book, volume 1 in a series of three, Jonathan covers the fundamentals: the things that everyone who uses the Oracle database needs to know about the CBO. It sheds light on the decisions the CBO makes when parsing a SQL statement and choosing an access plan. It demonstrates how the CBO calculates the cost of a plan and the rules and factors that go into these calculations. It reveals the basic assumptions the optimizer makes about the SQL and the data, explains why things go wrong and how you can fix them when those ...
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In this book, volume 1 in a series of three, Jonathan covers the fundamentals: the things that everyone who uses the Oracle database needs to know about the CBO. It sheds light on the decisions the CBO makes when parsing a SQL statement and choosing an access plan. It demonstrates how the CBO calculates the cost of a plan and the rules and factors that go into these calculations. It reveals the basic assumptions the optimizer makes about the SQL and the data, explains why things go wrong and how you can fix them when those assumptions are incomplete, inaccurate, or simply false. He also includes a fabulous Upgrade Headaches section that is essential reading for anyone who has ever has, or ever will, upgrade between Oracle versions. Volumes 2 and 3 will track changes to the CBO in subsequent Oracle 10g releases, and will cover the more advanced and complex features of optimization.
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Dispatched, from the UK, within 48 hours of ordering. Though second-hand, the book is still in very good shape. Minimal signs of usage may include very minor creasing on the cover or on the spine.
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Very Good. Very Good condition. A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
