tag:blogger.com,1999:blog-9191231274999121063.post8342165928358203100..comments2023-08-27T04:41:55.200-07:00Comments on About MySQL development (Optimizer mainly): Faster subqueries with materializationGuilhem Bichothttp://www.blogger.com/profile/11253623513851616256noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-9191231274999121063.post-10434206406752943672021-11-30T08:52:42.056-08:002021-11-30T08:52:42.056-08:00The price is 10278, source. The at-home THC urine ...The price is 10278, <a href="http://southsidefb.org/hair-drug-testing-kit-explained/" rel="nofollow">source</a>. The at-home THC urine screen’s 50 ng/mL limit is appreciated for its ability to identify THC and its metabolites in tiny levels. The testing of a sample merely takes five minutes to complete with an accuracy of 99%. So, it is simple to utilize at home regardless of your skill level. This at-home drug test is a cheap and convenient approach to determine whether your cleansing solution has removed THC and its metabolites from your urine. Here is a quick rundown of what the findings mean: Fake Pee With fake pee, you can pass the drug test sneakily. Synthetic urine is a material that was created to mimic the appearance, chemical properties, and content of human urine. Fake pee is made of urea, creatine, uric acid, and other components of real urine. It is a chemical solution that can replace a donor’s authentic urine sample during testing to ensure the donor’s unlawful drug use is undetectable. Synthetic urine has been increasingly popular in recent years as a way to pass a drug test, and this trend is expected to continue. You may rapidly pass a drug test by substituting fake urine for your own.Unow22https://www.blogger.com/profile/11250962177295683148noreply@blogger.comtag:blogger.com,1999:blog-9191231274999121063.post-64435410219432209202021-09-16T00:36:53.391-07:002021-09-16T00:36:53.391-07:00Ce commentaire a été supprimé par un administrateur du blog.Unow22https://www.blogger.com/profile/17870979648348726358noreply@blogger.comtag:blogger.com,1999:blog-9191231274999121063.post-42681781010670810102013-09-30T05:27:12.668-07:002013-09-30T05:27:12.668-07:00hello Cliff, thanks for your comment! Note that, i...hello Cliff, thanks for your comment! Note that, if the data is large, the Optimizer will do on-disc materialization. Regarding the use of a materialized view, it can certainly be faster, at the expense of rewriting the query (to use the view instead of the subquery) and creating the triggers. Subquery materialization gives a performance improvement "out-of-the-box".Guilhem Bichothttps://www.blogger.com/profile/11253623513851616256noreply@blogger.comtag:blogger.com,1999:blog-9191231274999121063.post-39163227765070611142013-09-25T14:15:52.197-07:002013-09-25T14:15:52.197-07:00If the data is large, in-memory materialization wo...If the data is large, in-memory materialization won't work. Even if it is small, it may be preferable to create a permanent materialized view, that is maintained by triggers. See <a href="www.materialized.info" rel="nofollow">www.materialized.info</a>. Such a permanent view typically yields a 5x to 10x performance improvement for slow queries.<br /><br />--- CliffC Jhttps://www.blogger.com/profile/13368108918062258139noreply@blogger.comtag:blogger.com,1999:blog-9191231274999121063.post-27359063784265953032012-05-02T05:35:25.792-07:002012-05-02T05:35:25.792-07:00thank you Guilhem for your work and these clear ex...thank you Guilhem for your work and these clear explanation.<br /><br />freshdazOlivier DASINIhttps://www.blogger.com/profile/10061830834769114893noreply@blogger.com