explain: 查看执行计划,使用explain关键字可以模拟优化器执行SQL查询语句,从而知道MYSQL是如何处理你的SQL语句的。分析你的查询语句或是表结构的性能瓶颈。 官网介绍: http...实际使用 表之间的引用 每张表有多少行被优化器查询 怎么使用:explain+ SQL语句执行计划包含的信息: ...
It also provides one mechanism for the origin of coal." "Coal formed in the BEDS model: Dinosaur tracks point to the BEDS (Briefly Exposed Diluvial Sediments) mechanism. Judging from the amount of coal found in the world, the earth before the Flood supported about eight to ten times more ...
To describe a circle by the compasses; A torch waved about the head in such a way as to describe a circle Explain To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of. She is about to explain a chapter of the Bible to the Sunday School student...
To give a sufficiently detailed report about (a) the reason for something, about why something happened, about a causal chain of events; about (b) how something works, about how elements in a system interact; about (c) how to do something, about the steps which need to be accomplished ...
I stared for hours at the elaborate pattern in the rug. Explain To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of. She is about to explain a chapter of the Bible to the Sunday School students. She tried to explain but he wouldn’t listen. El...
If you explain these things to the brothers and sisters, Timothy, you will be a worthy servant of Christ Jesus, one who is nourished by the...
that which is upon the wall before thee, and which the wise men of Babylon could not:thou shalt be clothed with scarlet, and have a chain of gold about thy neck, and shall be the third ruler in the kingdom; the same reward he had proposed to the astrologers and soothsayers, (Daniel...
about their job.The secret to making more money is,focus on adding value.Think less of what you can have or acquire. 【1】 ___ You don ’ t always have to do more though we always can do more.What you might consider is “ doing different ” .Let me explain. 1.Do you choose to...
6 You must tell me about the dream and you must tell me what it means. If you do that, I will give to you many gifts and great honour. So you must tell me my dream, and tell me what it means.’ 7 They answered the king again, ‘We are your servants, so please tell us your...
Nuclear weapons are also mentioned twice in Thing Explainer, specifically they are explained in the explanation for Machine for burning cities about thermonuclear bombs, but they are also mentioned in Boat that goes under the sea about a submarine that carries nuclear missiles. All three comics and...