[Maria-docs] Need input/proof-reading: semi-join optimization articles

Hi Daniel, I need input and proof-reading of the following new articles: http://kb.askmonty.org/en/semi-join-subquery-optimizations http://kb.askmonty.org/en/table-pullout-optimization http://kb.askmonty.org/en/firstmatch-strategy http://kb.askmonty.org/en/semi-join-materialization-strategy http://kb.askmonty.org/en/loosescan-strategy http://kb.askmonty.org/en/duplicateweedout-strategy (The request is addressed to Daniel so I get some guaranteed response. Feedback from everybody else is also welcome!) BR Sergei -- Sergei Petrunia, Software Developer Monty Program AB, http://askmonty.org Blog: http://s.petrunia.net/blog