Changes between Initial Version and Version 1 of Ticket #30207, comment 7
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- Jun 9, 2019, 4:02:36 AM (5 years ago)
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Ticket #30207, comment 7
initial v1 1 1 Well this is a bit surprising for me as well that many developers don't know about this, because it is a very basic fact in database core, maybe because most developers focused on code base rather than raw queries. 2 3 But there are good reference to read more about these concepts and facts about databases: 4 - https://www.scarydba.com/2016/10/24/sub-query-not-hurt-performance/ 5 6 But this one gives developers a great insight about database (I read edition 2014 but I believe new edition will be published soon): 7 Joe Celko's SQL for Smarties: Advanced SQL Programming (The Morgan Kaufmann Series in Data Management Systems) 8 9 2 10 3 11 Replying to [comment:2 Simon Charette]: