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Author: |
RichardTo |
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Monday, October 30, 2006 2:28 PM |
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Solving problems in your SQL code, tune queries, and share new tips, tricks, and techniques |
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Why Join Path Matters |
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RichardTo
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Monday, November 13, 2006 12:28 PM
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The Nested Loop join operation is the basic join operation which is supported by most RDBMS, since it requires less memory and less temporary space. Normally, it can provide faster data response time than other join operations. But, the path of a Nested Loop join will significantly affect the speed of the join operation. Let’s use a two table join as an example to understand how this works.
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Why SQL Tuning? |
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RichardTo
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Monday, October 30, 2006 2:28 PM
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For years, commercial database manufacturers have fought an endless battle to improve the performance of inserting, updating, deleting, and retrieving information stored in the database. Despite their continual efforts and hard work, we have not seen a significant improvement in the performance of most Relational Database Management Systems (RDBMS). Users still suffer from under-performing SQL statements and database expe ...
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