01.SELECT from WORLD Tutorial 01.显示所有国家的名称,大洲和人口. SELECT name, continent, population FROM world; 02.显示人口大于等于200000000的国家. select name from world where population > 200000000; 03.找出有至少2億人口的國家名稱,及人均國內生產總值. select name,gdp/population from world where po…
SELECT from Nobel Tutorial 1.Change the query shown so that it displays Nobel prizes for 1950. SELECT yr, subject, winner FROM nobel WHERE yr = 1950 2.Show who won the 1962 prize for Literature. SELECT winner FROM nobel WHERE yr = 1962 AND subject =…
02.SELECT from Nobel Tutorial 注意:where语句中对表示条件的需要用单引号, 下面的译文使用的是有道翻译如有不正确,请直接投诉有道 01.Change the query shown so that it displays Nobel prizes for 1950. 译文:更改显示的查询,使其显示1950年的诺贝尔奖. SELECT yr, subject, winner FROM nobel WHERE yr = 1950 02.Show who won th…
SELECT from nobel篇 1. 更改查詢以顯示1950年諾貝爾獎的獎項資料. 答案: SELECT yr, subject, winner FROM nobel WHERE yr = 1950 2.顯示誰贏得了1962年文學獎(Literature). SELECT winner FROM nobel WHERE yr = 1962 AND subject = 'Literature' 3.顯示“愛因斯坦”('Albert Einstein') 的獲獎年份和獎項. SELECT yr…
SELECT from world篇 11. 题目: The CASE statement shown is used to substitute North America forCaribbean in the third column. Show the name - but substitute Australasia for Oceania - for countries beginning with N. (翻译:让你给出名字和所属大洲的名字, 其中所属大…
We continue practicing simple SQL queries on a single table. This tutorial is concerned with a table of Nobel prize winners: nobel(yr, subject, winner) Using the SELECT statement. 1.Winers from 1950 检索1950年的诺贝尔奖信息. Change the query shown so that it d…
title: SQL-Learning date: 2019-03-12 20:37:21 tags: SQL --- 这是关于在一个SQL学习网站的练习题答案记录:SQL教程 SQL基础 由一些简单的查询开始 这里的默认表格为WORLD表格 . name continent area population gdp Afghanistan Asia 652230 25500100 20343000000 Albania Europe 28748 2831741 12960000000 Alger…
