insert通常不会锁表,但有一种情况是例外,就是某一个column设置了唯一约束例如create table t1 (c1 number primary);----会话1:insert into t1 values (1);----会话2:insert into t1 values (1);就会锁表.因为c1为主键,带唯一约束.这种情况锁表不可避免,要解决,只能去掉唯一约束.
7,live是什么意思
live英 [l?v] 美 [l?v] vi.居住;生存;生活,过活;在生活中得到享受vt.经历;度过adj.活着的;生动的,有精神的;精力充沛的;现场直播的adv.在(表演)现场,实况地第三人称单数: lives 现在分词: living 过去式: lived 过去分词: lived双语例句 She has lived here for 10 years 她在这里住了10年了。很显然,这是一个祈使句式,分开的字面意思分别是:live(= live yourself)表示“请自己过好”,let live(=letothers live themselves, too)表示“也让别人过好”。合起来相当于汉语的“己所不欲勿施于人”、“待人宽容如待己“、“不要互相挑剔”或“互帮互利”。【例如】we are both in the same trade but good friends. our idea is to live and let live. 我们既同行也是好友,两人都认为应该互惠互利。the motto is, "live and let live." 座右铭是“共生共荣”.
8,Hey Hey My My Out Of The Blue Into The Black Live 歌词
歌曲名:hey hey, my, my (into the black)歌手:oasis专辑:familiar to millionshey hey, my my敬爱的老杨同志hey hey, my myrock and roll can never dietheres more to the picturethan meets the eye.hey hey, my my.out of the blue and into the blackyou pay for this, but they give you thatand once youre gone, you cant come backwhen youre out of the blue and into the black.the king is gone but hes not forgottenis this the story of johnny rotten?its better to burn out cause rust never sleepsthe king is gone but hes not forgotten.hey hey, my myrock and roll can never dietheres more to the picturethan meets the eye.by lennonhttp://music.baidu.com/song/9072083