SQL ZOO
1.[SQL ZOO] SELECT within SELECT Tutorial과 The JOIN Operation
The JOIN Operation The first example shows the goal scored by a player with the last name 'Bender'. The * says to list all the columns in the table
2022년 9월 19일
2.[SQL ZOO] More JOIN Operations
1. List the films where the yr is 1962 Show id, title 2. Give year of 'Citizen Kane'. 3. List all of the Star Trek movies, include the id, title
2022년 9월 29일
3.[SQL ZOO] SUM and COUNT,
SUM AND COUNT 1. Show the total population of the world. world(name, continent, area, population, gdp) 2. List all the continents - just once eac
2023년 2월 15일