Can anyone explain this code line by line?. Learn more about performance measure, local binary pattern, lbp Image Processing Toolbox
can someone explain to me this code line by line cuase im lost, i know the point of it but i cant figuret out A=[ 2 0 0;1 5 0; 7 9 8 ] b = [ 6; 2; 5] n = length(b); x = zeros(n,1); for j=1:n-1 x(j) = b(j)/L...
SQL_ID4qfq3t2ukm0y1,child number0---SELECT/*+ monitor*/A.USER_CODE,A.FULL_NAME,A.USER_PWD,C.UNIT_CODE,C.UNIT_NAMEFROMBASE_USERALEFTJOIN(SELECTUR.USER_CODE,UR.UNIT_CODEFROMAPPR_USER_ROLEURWHEREUR.USER_ROLE<10)BONA.USER_CODE=B.USER_CODELEFTJOINLZCITY_APPROVE_UNIT_INFOCONB.UNIT_COD...
C:使用not in()形式子查询或not exists运算符的连接查询,这种叫做反连接。即,一般连接查询是先查询内表,再查询外表,反连接就是先查询外表,再查询内表。 D:using filesort:排序时无法使用到索引时,就会出现这个。常见于order by和group by语句中。 E:using index:查询时不需要回表查询,直接通过索引就可以获取查...
2.5.PIPLINE 二、Explain Estimate 三、老版本查看执行计划 执行计划 一、Explain 1. 功能版本及语法 1.1 版本 20.6之后 1.2 语法 EXPLAIN [AST|SYNTAX|PLAN|PIPELINE] [setting=value, ...]SELECT... [FORMAT ...] 2.Explain Types 2.1 Types
dbms_output.put_line(x.plan_table_output); end loop; rollback; end; / 两种窗口: 1、SQL窗口的,执行SQL后只能去output查看; 2、command window的,需要先设置set serveroutput on size unlimited,然后再执行存储过程 output或者命令窗口查看的真实执行计划和统计信息: ...
I'm not going to go through the entire code and explain it line by line. If you have specific questions, please post the line number and what you don't understand about that line. Apr 10, 2014 at 9:25am sierranm(76) Sorry, I figured it easiest to just post the whole code, but...
The following code provides an example of a nested loop join. BEGIN; CREATE TABLE public.nestedloop_test_1 ( a integer not null, b integer not null ); CALL set_table_property('public.nestedloop_test_1', 'distribution_key', 'a'); CREATE TABLE public.nestedloop_test_2 ( c integer not...
Or configure within yoursetup.cfg(interrogatewill automatically detect asetup.cfgfile and pick up default values for the command line options): $interrogate -c setup.cfg [OPTIONS] [PATHS]... [tool:interrogate]ignore-init-method= falseignore-init-module= falseignore-magic= falseignore-semiprivate...
c# import data from text file into sql databse line by line C# increment letter!?! C# Inheritance - initialize child with parent C# InputBox to use with a Console Application C# Insert all data of a List<> into database table at once c# Insert Break Line After Specific Character in T...