算法语言Scheme修订6报告 R6RS简体中文翻译 来源 https://r6rs.mrliu.org/ MICHAEL SPERBERR. KENT DYBVIG, MATTHEW FLATT, ANTON VAN STRAATEN(编辑)RICHARD KELSEY, WILLIAM CLINGER, JONATHAN REES(编辑,算法语言Scheme修订5报告)ROBERT BRUCE FINDLER, JACOB MATTHEWS(作者,形式语义) 2007年09月26日 在G…
1创建一个测试表,test,并且插入10000行数据: SQL> create table test (id int); SQL> begin 2 for i in 1..10000 loop 3 insert into test values(i) 4 end loop; 5 end; 6 / SQL> commit:2创建一个存储过程SHOW_SPACE: create or replace procedure…
Given a Weighted Directed Acyclic Graph and a source vertex in the graph, find the shortest paths from given source to all other vertices. For a general weighted graph, we can calculate single source shortest distances in O(VE) time using Bellman–For…
P122, 这是IQR method课的第一次作业,需要统计检验,x和y是否显著的有线性关系. Assignment 1 1) Find a small bivariate dataset (preferably from your own discipline) and produce a scatterplot (this is easy using any spreadsheet) 2) Use any statistics tool (a calculator, spreadsheet…
关于v$bh的相关字段值FILE# NUMBER Datafile identifier number (to find the filename, query DBA_DATA_FILES or VDBFILE) BLOCK# NUMBER Block number CLASS# NUMBER Class number STATUS VARCHAR2(6) Status of the buffer: free - Not currently in use xcur - Exclusive sc…