Assistance requested in writing a query!

Dear all,

My database is GR 11, 2 on Linux.

I have data like this:

ID name
1 Mike
2 mike Peter
Steven 3
4 Steven Andrew

In a select query, I want to get the result

1 Mike
Steven 3

Logic, if there is a next match for the name, skip registration, even if it contains the name of the second

Kindly help.

Best regards, Imran

Hi Imran,

It's defintely not a nobel prize, but it is up to what your specified.

WITH t1
     AS (SELECT 1 AS id, 'Mike' AS name FROM DUAL  UNION
         SELECT 2, 'Mike Peter' FROM DUAL  UNION
         SELECT 3, 'Steven' FROM DUAL  UNION
         SELECT 4, 'Steven Andrew' FROM DUAL)
SELECT *
  FROM t1
 WHERE name IN (SELECT SUBSTR (name, 1, INSTR (name, ' ', 1) - 1) FROM t1)

HTH,
Thierry

Tags: Database

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  • Problem in writing a query

    Hi all
    I have a problem for writing a query,

    country: name, code, population.
    economy: country (code), GDP


    in the picture of the economy, I have each country's GDP, I calculated the sum of the GDP of all countries, and then half (50% of global GDP)
    then I should calculate the minimum population of the country must have that 50% of GDP.




    Here's what I wrote so far but I have really no idea, if you help me I will learn something.
    Thank you.

    select e.country,c.population,e.gdp
from country c
join economy e
on c.code=e.country
order by e.gdp desc;


set serveroutput on 

declare 
half_gdp_n number;

begin
select round(sum(gdp)/2) into half_gdp_n from economy;
DBMS_OUTPUT.put_line(half_gdp_n);
end;
      CREATE TABLE "intern"."ECONOMY" ("COUNTRY" CHAR(2), "GDP" NUMBER, "AGRICULTURE" NUMBER, "INDUSTRY" NUMBER, "SERVICES" NUMBER, "INFLATION" NUMBER) 
 

   COMMENT ON COLUMN "intern"."ECONOMY"."COUNTRY" IS 'the country code'
 
   COMMENT ON COLUMN "intern"."ECONOMY"."GDP" IS 'gross domestic product (in million dollar)'
 
   COMMENT ON COLUMN "intern"."ECONOMY"."AGRICULTURE" IS 'percentage of agricultural sector of the GDP'
 
   COMMENT ON COLUMN "intern"."ECONOMY"."INDUSTRY" IS 'percentage of industrial sector of the GDP'
 
   COMMENT ON COLUMN "intern"."ECONOMY"."SERVICES" IS 'percentage of service sector of the GDP'
 
   COMMENT ON COLUMN "intern"."ECONOMY"."INFLATION" IS 'inflation rate (percentage, per annum)'
 
   COMMENT ON TABLE "intern"."ECONOMY"  IS 'economical information about the countries'
REM INSERTING into intern.ECONOMY
SET DEFINE OFF;
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ad',1900,null,null,null,4.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ae',63670,4,58.5,37.5,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('af',21500,60,20,20,10.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ag',750,3.9,19.2,76.8,0.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ai',112,4,18,78,2.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('al',17460,46.2,25.4,28.4,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('am',13650,22.9,36.1,41.1,3.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('an',2450,1,15,84,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ao',23170,8,67,25,43.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ar',483500,10.6,35.9,53.5,6.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('as',500,null,null,null,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('at',255900,2.3,30.8,66.9,1.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('au',611700,3.4,28.2,68.4,2.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('aw',1940,null,null,null,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('az',30010,14.1,45.7,40.2,4.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ba',26210,14.2,30.8,55,1.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bb',4569,6,16,78,-0.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bd',275700,21.2,27.1,51.7,6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('be',316200,1.3,25.7,73,1.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bf',15740,39.5,19.3,41.3,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bg',61630,11.5,30.1,58.4,6.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bh',13010,0.7,41,58.4,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bi',4001,48.1,19,32.9,8.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bj',8338,36.3,14.3,49.4,2.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bm',2330,1,10,89,3.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bn',6842,5,45,50,0.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bo',22330,13,28,59,4.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('br',1492000,10.1,38.6,51.3,7.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bs',5295,3,7,90,1.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bt',2900,45,10,45,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bw',15050,4,44,52,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('by',70500,11,36.4,52.6,17.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('bz',1778,17.7,15,67.3,2.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ca',1023000,2.3,26.4,71.3,1.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cd',42740,55,11,34,14);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cf',4248,55,20,25,3.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cg',2324,7.4,52,40.6,1.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ch',251900,1.5,34,64.5,0.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ci',24780,27.8,19.4,52.8,1.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ck',105,17,7.8,75.2,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cl',169100,6.3,38.2,55.5,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cm',30170,43.7,20.1,36.2,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cn',7262000,13.8,52.9,33.3,4.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('co',281100,13.4,32.1,54.5,5.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cr',37970,8.5,29.7,61.8,11.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cu',33920,6.6,25.5,67.9,3.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cv',600,12.1,21.9,66,1.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cy',15710,4.1,19.9,76,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('cz',172200,3.4,39.3,57.3,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('de',2362000,1,31,68,1.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('dj',619,3.5,15.8,80.7,2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('dk',174400,2.2,25.5,72.3,1.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('dm',384,18,24,58,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('do',55680,10.7,31.5,57.8,55);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('dz',212300,10.3,57.4,32.3,3.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ec',49510,8.7,30.5,60.9,2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ee',19230,4.1,28.9,67,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('eg',316300,17.2,33,49.8,9.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('eh',null,null,null,40,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('er',4154,12.4,25.9,61.7,10);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('es',937600,3.5,28.5,68,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('et',54890,47,12.4,40.6,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fi',151200,3.3,30.2,66.5,0.7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fj',5173,16.6,22.4,61,1.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fk',75,null,null,null,3.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fm',null,50,4,46,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fo',1000,27,11,62,5.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('fr',1737000,2.7,24.3,73,2.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ga',7966,7.4,46.7,45.9,1.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gd',440,7.7,23.9,68.4,2.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ge',14450,20.5,22.6,56.9,5.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gf',1551,null,null,null,1.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gg',2590,3,10,87,4.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gh',48270,34.3,24.2,41.4,13);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gi',769,null,null,null,1.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gl',1100,null,null,null,1.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gm',2799,26.8,14.5,58.7,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gn',19500,25,38.2,36.8,18);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gp',3513,15,17,68,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gq',1270,3,95.7,1.3,8.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gr',226400,7,22,71,2.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gt',59470,22.7,19.5,57.9,7.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gu',3200,7,15,78,0);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gw',1008,62,12,26,4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('gy',2899,38.3,19.9,41.8,4.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('hn',18790,12.7,32.1,55.3,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('hr',50330,8.2,30.1,61.7,2.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ht',12050,30,20,50,22);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('hu',149300,3.3,31.4,65.3,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('id',827400,14.6,45,40.4,6.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ie',126400,5,46,49,2.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('il',129000,2.8,37.7,59.5,0);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('im',2113,1,13,86,3.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('in',3319000,23.6,28.4,48,4.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('iq',54400,13.6,58.6,27.8,25.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ir',516700,11.2,40.9,48.7,15.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('is',9373,11.2,9.6,79.2,4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('it',1609000,2.3,28.8,68.9,2.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('je',3600,5,2,93,5.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('jm',11130,6.1,32.7,61.3,12.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('jo',25500,2.4,26,71.5,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('jp',3745000,1.3,24.7,74.1,-0.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ke',34680,19.3,18.5,62.4,9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kg',8495,38.5,22.8,38.7,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kh',26990,35,30,35,3.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ki',79,30,7,63,2.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('km',441,40,4,56,3.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kn',339,3.5,25.8,70.7,1.7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kp',40000,30.2,33.8,36,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kr',925100,3.2,40.4,56.3,3.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kw',48000,0.4,60.5,39.1,2.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ky',1391,1.4,3.2,95.4,2.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('kz',118400,7.4,37.8,54.8,6.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('la',11280,49.5,27.5,23,12.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lb',18830,12,21,67,2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lc',866,7,20,73,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('li',825,null,40,null,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lk',80580,19.1,26.2,54.7,5.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lr',2903,76.9,5.4,17.7,15);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ls',5892,15.2,43.9,40.9,5.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lt',45230,6.1,33.4,60.5,1.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lu',27270,0.5,16.3,83.1,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('lv',26530,4.4,24.8,70.8,6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ly',37480,8.7,45.7,45.6,2.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ma',134600,21.2,35.8,43,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mc',870,17,null,null,1.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('md',8581,22.4,24.8,52.8,11.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mg',14560,29.3,16.7,54,7.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mh',115,14,16,70,2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mk',14400,11.2,26,62.8,0.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ml',11000,45,17,38,4.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mm',74300,56.6,8.8,34.5,17.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mn',5332,20.6,21.4,58,11);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mp',null,null,null,null,1.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mq',6117,6,11,83,3.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mr',5534,25,29,46,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ms',29,5.4,13.6,81,2.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mt',7223,3,23,74,2.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mu',15680,7.6,30,62.4,4.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mv',1250,20,18,62,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mw',7410,54.8,19.2,26,12);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mx',1006000,4,27.2,68.9,5.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('my',229300,7.2,33.6,59.1,1.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('mz',23380,21.1,32.1,46.9,12.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('na',14760,11.3,30.8,57.9,4.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('nc',3158,5,30,65,-0.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ne',9716,39,17,44,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ng',125700,36.3,30.5,33.3,16.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ni',12340,20.7,24.7,54.6,9.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('nl',481100,2.4,24.5,73.1,1.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('no',183000,2.2,36.3,61.6,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('np',39530,40,20,40,2.9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('nr',60,null,null,null,-3.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('nu',7.6,null,null,55,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('nz',92510,4.6,27.4,68,2.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('om',38090,3.1,41.1,55.8,0.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pa',20570,7.2,13,79.8,2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pe',155300,8,27,65,3.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pf',4580,4,18,78,1.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pg',11990,34.5,34.7,30.8,4.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ph',430600,14.8,31.9,53.2,5.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pk',347300,22.6,24.1,53.3,4.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pl',463000,2.9,31.3,65.9,3.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pm',48.3,null,null,null,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pr',68950,1,45,54,6.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ps',2568,9,28,63,2.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pt',188700,5.9,30.2,63.9,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('pw',null,null,null,null,3.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('py',29930,25.3,24.9,49.8,5.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('qa',19490,0.3,58.2,41.5,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('re',4570,8,19,73,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ro',171500,13.1,33.7,53.2,9.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ru',1408000,4.9,33.9,61.2,11.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('rw',10430,41.1,21.2,37.7,7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sa',310200,4.2,67.2,28.6,0.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sb',800,42,11,47,10);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sc',626,2.8,28.7,68.9,5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sd',76190,38.7,20.3,41,9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('se',255400,2,29,69,0.7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sg',120900,0,32.6,67.4,1.7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sh',18,null,null,null,3.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('si',39410,3,36,60,3.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sk',78890,3.5,30.1,66.4,7.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sl',3335,49,30,21,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sm',940,null,null,null,3.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sn',18360,15.9,21.4,62.7,0.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('so',4597,65,10,25,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sr',1885,13,22,65,23);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('st',214,16.5,15.4,68.1,14);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sv',32350,9.2,31.1,59.7,5.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sy',60440,25,31,44,2.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('sz',6018,16.1,43.4,40.5,5.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tc',216,null,null,null,4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('td',15660,22.6,35.6,41.7,8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tg',8684,39.5,20.4,40.1,1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('th',524800,9,44.3,46.7,2.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tj',7950,23.7,24.3,52,8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tk',1.5,null,null,null,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tm',27600,28.5,42.7,28.8,9);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tn',70880,13.8,31.8,54.4,4.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('to',244,23,13,64,10.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tr',508700,11.7,29.8,58.5,9.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tt',11480,2.7,47,50.3,3.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tv',12.2,null,null,null,5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tw',576200,1.7,30.9,67.4,1.7);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('tz',23710,43.2,17.2,39.6,5.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ua',299100,18,45.1,36.9,12);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ug',39390,35.8,20.8,43.6,3.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('uk',1782000,1,26.3,72.7,1.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('us',11750000,0.9,19.7,79.4,2.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('uy',49270,7.9,27.4,64.8,7.6);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('uz',47590,38,26.3,35.7,3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('vc',342,10,26,64,-0.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ve',145200,0.1,46.5,53.4,22.4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('vg',2498,1.8,6.2,92,2.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('vi',2500,1,19,80,2.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('vn',227200,21.8,40.1,38.1,9.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('vu',580,26,12,62,3.1);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('wf',60,null,null,null,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ws',1000,14,23,63,4);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('ye',16250,15.5,44.7,39.7,12.2);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('yt',466.8,null,null,null,null);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('yu',26270,15.5,27.6,56.8,8.8);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('za',491400,3.6,31.2,65.2,4.5);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('zm',9409,14.9,28.9,56.1,18.3);
Insert into intern.ECONOMY (COUNTRY,GDP,AGRICULTURE,INDUSTRY,SERVICES,INFLATION) values ('zw',24370,18.1,24.3,57.7,133);
    I use oracle 11.2.0.2 and I'll post create insert for tables.


    best,
    David

    Published by: 1003209 on 28.05.2013 08:45

    Hi, David,.

    1003209 wrote:
    for example, in my database, I got this result (because the simple data, we have just a % of countries, I have filtered the query.)

    select e.country,c.population,e.gdp,(c.population/e.gdp) as popgdp,
SUM(population) OVER
(ORDER BY population ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS cumulative_amount
from country c
join economy e
on c.code=e.country
where c.code like 'a%'
order by popgdp desc;

    COUNTRY POPULATION        GDP     POPGDP CUMULATIVE_AMOUNT
------- ---------- ---------- ---------- -----------------
af        28513677      21500  1326.217535          85007042
...
ad           69865       1900       36.77105263            209095
aw           71218       1940       36.71030928            280313
au        19913144     611700    32.55377473          56493365
at         8174762     255900    31.94514263          25601669 

15 rows selected

    but I should CUMULATIVE_AMOUNT correctly, the sum listed previous populations.

    could you please rewrite my request?

    Of course; But what results do you want the query to produce?

    You already know that you are looking for a group of countries with a GDP of 764106 or more.
    You already know that choose the country with the highest GDP/population will result in small groups.
    You already know how to calculate the GDP/population; you did even a query that displays the country sorted by this ratio.
    Looking at the bottom of this list, you can see that 2 countries with ratios over (AU and to) represent so more than 600000 + 200000 = 800000 total GDP, these 2 countries only represent the largest share of total GDP. Do you spend 5 minutes (if it comes to that) in a text editor to make a model the results you want to see, for example:

    LABEL            CO POPULATION  PCT_POP        GDP  PCT_GDP
---------------- -- ---------- -------- ---------- --------
Australia        au   19913144    16.04     611700    40.03
Austria          at    8174762     6.58     255900    16.75
  Total of above                  22.62               56.77

    ?

    If those who are be the results that you want, here's a way to get them:

    WITH     got_running_gdp     AS
(
     SELECT     c.name
     ,     c.code
     ,     c.population
     ,     e.gdp
     ,     SUM (c.population) OVER ()     AS total_population
     ,     SUM (e.gdp)        OVER ()     AS total_gdp
     ,     SUM (gdp) OVER ( ORDER BY  e.gdp / c.population
                          )             AS running_gdp
     FROM     country      c
     JOIN     economy      e  ON   e.country     = c.code
)
SELECT    NVL (name, '  Total of above')     AS label
,       code
,       population
,       100 * SUM (population)
           / MIN (total_population)          AS pct_pop
,       gdp
,       100 * SUM (gdp)
           / MIN (total_gdp)               AS pct_gdp
FROM       got_running_gdp
WHERE       running_gdp     >= total_gdp / 2
GROUP BY  GROUPING SETS ( ( name, code, population, total_population
                            , gdp, total_gdp, running_gdp
                 )
               , ()
               )
ORDER BY  running_gdp
;

    You were on the right track earlier, but you had your analytical SUM, "ORDER BY population" function. We are not giving countries by population, but the ratio of population to the GDP. (In fact, I used the other hand, the ratio of)
    GDP in the population in ascending order, which is the same order as the ratio of
    population GDP in descending order).

    The solution recommended Etbin was designed for a much smaller proplem, involving combinations of about 6 items. The problem with him is that double the number of combinations that we must consider whenever we add another line. With 15 lines in the overall sample, this solution would have to consider 2 ^ 15 ^-1 = 32767 possible combinations of countries, that might be feasible, but 200 countries would mean 2 ^ 200 ^-1 or more combinations of 1.E60. If your computer could examine thousands of billions of combinations every millisecond, it would still billions of years in the end.

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;
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)
;
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)
;
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;

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-------------------- -------------------- ----------
john                 math                         90
john                 science                      80
john                 lang                         85 

table STUDENT_MARKS dropped.

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    Concerning
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