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How do nested loop, hash, and merge joins work? Databases for Developers Performance #7

There are three key algorithms use to combine rows from two tables: * Nested Loops * Hash Join * Merge Join Learn how these work in this video Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com Twitter: / chrisrsaxon Daily SQL Twitter tips: / sqldaily All Things SQL blog: https://blogs.oracle.com/sql/ Test your SQL Skills on the Oracle Dev Gym: https://devgym.oracle.com/ ============================ The Magic of SQL with Chris Saxon Copyright © 2020 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.

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