By wsoprano
via architects.dzone.com
Published: Oct 04 2012 / 10:55
The same data can be retrieved from a database using different SQL queries, but for better performance the user needs to understand data normalization and query optimization. Below are a few concepts to improve overall performance.
Comments
yoursoft replied ago:
I think, it is a mistake: "2. SELECT * FROM table_name WHERE column_name > 100 Optimized Query 3. SELECT * From table_name WHERE column_name >=99"
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