[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type “help”, “copyright”, “credits” or “license” for more information.
>>>
我们想要安装下python3有两种方法安装:
一、第一种直接去官网下载安装: http…
Python 2.7.10 (default, Jul 15 2017, 17:16:57)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type “help”, “copyright”, “credits” or “license” for more information.
>>>
我们想要安装下python3有两种方法安装:…
习题目录
SELECT basics quiz SELECT from WORLD Tutorial BBC quiz SELECT from Noble Tutorial Nobel Quiz SELECT within SELECT Tutorial Nested SELECT Quiz SUM and COUNT SUM and COUNT Quiz The JOIN operation JOIN Quiz More JOIN operations JOIN Quiz 2 Using Nul…
链接:https://sqlzoo.net/wiki/More_JOIN_operations 1.
SELECT id, title
FROM movie
WHERE yr1962SELECT yr
FROM movie
WHERE titleCitizen KaneSELECT id,title,yr
FROM movie
WHERE title LIKE Star Trek%SELECT id
FROM actor
WHERE nameGlenn CloseSELECT…
文章目录 SELECT basicsSELECT from WORLDSELECT from NobelSELECT within SELECTSUM and COUNTThe JOIN operationMore JOIN operationsUsing NullSelf join sqlzoo练习题答,已更完。 SELECT basics
The example uses a WHERE clause to show the population of ‘…
话不多说了,今天我要把SQL zoo一顿暴刷!Today is the day! 搞他
附上链接:Welcome to SQL Zoo 一、SELECT from WORLD Tutorial
table内容: in的使用
select name, population
from world
where name in (Sweden,Norway,Denmar…
链接:https://sqlzoo.net/wiki/The_JOIN_operation 1.
SELECT matchid,player
FROM goal
WHERE teamidGERSELECT id,stadium,team1,team2
FROM game
WHERE id1012SELECT goal.player,goal.teamid,game.stadium,game.mdate
FROM game JOIN goal ON (game.idgoal.…