655References and Notes
234. http://en.wikipedia.org/wiki/Query_optimization (or: http://bit.ly/Zm92Fr)
235. http://stackoverow.com/questions/2577174/join-vs-subquery (or: http://bit.ly/17zPXYF),
http://stackoverow.com/questions/141278/subqueries-vs-joins (or: http://bit.ly/17zQ32B),
http://datacharmer.blogspot.com/2008/09/drizzling-mysql.html (or: http://bit.ly/17zR0rA),
http://social.msdn.microsoft.com/Forums/en-US/transactsql/thread/34f119aa-5dd1-4729-
b104-2c47f2f46ba4 (or: http://bit.ly/17zVdvy)
236. http://blog.jooq.org/2013/08/21/the-myth-about-slow-sql-join-operations (or: http://bit.ly
/1cdRt5n)
237. http://www.dbspecialists.com/les/presentations/semijoins.html (or: http://bit.ly
/1cdRhTS)
238. http://en.wikipedia.org/wiki/Hint_(SQL) ...