1 The purpose of this article is to show the power of MySQL JOIN operations, Nested MySQL Queries(intermediate or temporary result set table) and Aggr..
2 Idea: A single idea can originates from single or multiple users, so an idea can have single or multiple innovators accordingly.
3 However, only one innovator can submit the idea and other can be listed as idea innovators.
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@jrogue: Understanding Complex MySQL JOIN NoSQL 세상이라고 하지만... 살다보면 JOIN이 필요할 때도 있지... http://t.co/1j8prlwp6A