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CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many females does this network has?
SELECT count(*) FROM Person WHERE gender = 'female'
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many females are in the network?
SELECT count(*) FROM Person WHERE gender = 'female'
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the average age for all person?
SELECT avg(age) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the average age for all people in the table?
SELECT avg(age) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many different cities are they from?
SELECT count(DISTINCT city) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many different cities do people originate from?
SELECT count(DISTINCT city) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many type of jobs do they have?
SELECT count(DISTINCT job) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many different jobs are listed?
SELECT count(DISTINCT job) FROM Person
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the oldest person?
SELECT name FROM Person WHERE age = (SELECT max(age) FROM person)
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of the person who is the oldest?
SELECT name FROM Person WHERE age = (SELECT max(age) FROM person)
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the oldest person whose job is student?
SELECT name FROM Person WHERE job = 'student' AND age = (SELECT max(age) FROM person WHERE job = 'student' )
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of the oldest student?
SELECT name FROM Person WHERE job = 'student' AND age = (SELECT max(age) FROM person WHERE job = 'student' )
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the youngest male?
SELECT name FROM Person WHERE gender = 'male' AND age = (SELECT min(age) FROM person WHERE gender = 'male' )
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of the youngest male?
SELECT name FROM Person WHERE gender = 'male' AND age = (SELECT min(age) FROM person WHERE gender = 'male' )
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How old is the doctor named Zach?
SELECT age FROM Person WHERE job = 'doctor' AND name = 'Zach'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the age of the doctor named Zach?
SELECT age FROM Person WHERE job = 'doctor' AND name = 'Zach'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the person whose age is below 30?
SELECT name FROM Person WHERE age < 30
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of the person whose age is below 30?
SELECT name FROM Person WHERE age < 30
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many people whose age is greater 30 and job is engineer?
SELECT count(*) FROM Person WHERE age > 30 AND job = 'engineer'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
HOw many engineers are older than 30?
SELECT count(*) FROM Person WHERE age > 30 AND job = 'engineer'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the average age for each gender?
SELECT avg(age) , gender FROM Person GROUP BY gender
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How old is each gender, on average?
SELECT avg(age) , gender FROM Person GROUP BY gender
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is average age for different job title?
SELECT avg(age) , job FROM Person GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How old is the average person for each job?
SELECT avg(age) , job FROM Person GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is average age of male for different job title?
SELECT avg(age) , job FROM Person WHERE gender = 'male' GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the average age for a male in each job?
SELECT avg(age) , job FROM Person WHERE gender = 'male' GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is minimum age for different job title?
SELECT min(age) , job FROM Person GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How old is the youngest person for each job?
SELECT min(age) , job FROM Person GROUP BY job
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the number of people who is under 40 for each gender.
SELECT count(*) , gender FROM Person WHERE age < 40 GROUP BY gender
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many people are under 40 for each gender?
SELECT count(*) , gender FROM Person WHERE age < 40 GROUP BY gender
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of people whose age is greater than any engineer sorted by their age.
SELECT name FROM Person WHERE age > (SELECT min(age) FROM person WHERE job = 'engineer') ORDER BY age
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of all the people who are older than at least one engineer? Order them by age.
SELECT name FROM Person WHERE age > (SELECT min(age) FROM person WHERE job = 'engineer') ORDER BY age
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the number of people whose age is greater than all engineers.
SELECT count(*) FROM Person WHERE age > (SELECT max(age) FROM person WHERE job = 'engineer')
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
How many people are older than every engineer?
SELECT count(*) FROM Person WHERE age > (SELECT max(age) FROM person WHERE job = 'engineer')
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
list the name, job title of all people ordered by their names.
SELECT name , job FROM Person ORDER BY name
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names and job titles of every person ordered alphabetically by name?
SELECT name , job FROM Person ORDER BY name
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the names of all person sorted in the descending order using age.
SELECT name FROM Person ORDER BY age DESC
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of everybody sorted by age in descending order?
SELECT name FROM Person ORDER BY age DESC
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name and age of all males in order of their age.
SELECT name FROM Person WHERE gender = 'male' ORDER BY age
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name and age of every male? Order the results by age.
SELECT name FROM Person WHERE gender = 'male' ORDER BY age
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name and age of the person who is a friend of both Dan and Alice.
SELECT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Dan' INTERSECT SELECT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Alice'
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names and ages of every person who is a friend of both Dan and Alice?
SELECT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Dan' INTERSECT SELECT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Alice'
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name and age of the person who is a friend of Dan or Alice.
SELECT DISTINCT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Dan' OR T2.friend = 'Alice'
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the different names and ages of every friend of either Dan or alice?
SELECT DISTINCT T1.name , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Dan' OR T2.friend = 'Alice'
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of the person who has friends with age above 40 and under age 30?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age > 40) INTERSECT SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age < 30)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of every person who has a friend over 40 and under 30?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age > 40) INTERSECT SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age < 30)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of the person who has friends with age above 40 but not under age 30?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age > 40) EXCEPT SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age < 30)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of the people who are older 40 but no friends under age 30?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age > 40) EXCEPT SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend IN (SELECT name FROM Person WHERE age < 30)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of the person who has no student friends.
SELECT name FROM person EXCEPT SELECT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.job = 'student'
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of the people who have no friends who are students?
SELECT name FROM person EXCEPT SELECT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.job = 'student'
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the person who has exactly one friend.
SELECT name FROM PersonFriend GROUP BY name HAVING count(*) = 1
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of everybody who has exactly one friend?
SELECT name FROM PersonFriend GROUP BY name HAVING count(*) = 1
easy
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who are the friends of Bob?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T1.name = 'Bob'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who are Bob's friends?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T1.name = 'Bob'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of persons who are friends with Bob.
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Bob'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all of Bob's friends?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Bob'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the names of females who are friends with Zach
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Zach' AND T1.gender = 'female'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all females who are friends with Zach?
SELECT T1.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Zach' AND T1.gender = 'female'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the female friends of Alice.
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Alice' AND T1.gender = 'female'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are all the friends of Alice who are female?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Alice' AND T1.gender = 'female'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the male friend of Alice whose job is a doctor?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Alice' AND T1.gender = 'male' AND T1.job = 'doctor'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who are the friends of Alice that are doctors?
SELECT T2.friend FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Alice' AND T1.gender = 'male' AND T1.job = 'doctor'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who has a friend that is from new york city?
SELECT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.city = 'new york city'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all friends who are from New York?
SELECT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.city = 'new york city'
medium
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who has friends that are younger than the average age?
SELECT DISTINCT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.age < (SELECT avg(age) FROM person)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the different names of friends who are younger than the average age for a friend?
SELECT DISTINCT T2.name FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.age < (SELECT avg(age) FROM person)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who has friends that are older than the average age? Print their friends and their ages as well
SELECT DISTINCT T2.name , T2.friend , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.age > (SELECT avg(age) FROM person)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Whare the names, friends, and ages of all people who are older than the average age of a person?
SELECT DISTINCT T2.name , T2.friend , T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T1.age > (SELECT avg(age) FROM person)
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the friend of Zach with longest year relationship?
SELECT friend FROM PersonFriend WHERE name = 'Zach' AND YEAR = (SELECT max(YEAR) FROM PersonFriend WHERE name = 'Zach')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Which friend of Zach has the longest-lasting friendship?
SELECT friend FROM PersonFriend WHERE name = 'Zach' AND YEAR = (SELECT max(YEAR) FROM PersonFriend WHERE name = 'Zach')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the age of the friend of Zach with longest year relationship?
SELECT T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Zach' AND T2.year = (SELECT max(YEAR) FROM PersonFriend WHERE name = 'Zach')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the ages of all of Zach's friends who are in the longest relationship?
SELECT T1.age FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend WHERE T2.name = 'Zach' AND T2.year = (SELECT max(YEAR) FROM PersonFriend WHERE name = 'Zach')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name of persons who are friends with Alice for the shortest years.
SELECT name FROM PersonFriend WHERE friend = 'Alice' AND YEAR = (SELECT min(YEAR) FROM PersonFriend WHERE friend = 'Alice')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all people who are friends with Alice for the shortest amount of time?
SELECT name FROM PersonFriend WHERE friend = 'Alice' AND YEAR = (SELECT min(YEAR) FROM PersonFriend WHERE friend = 'Alice')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find the name, age, and job title of persons who are friends with Alice for the longest years.
SELECT T1.name , T1.age , T1.job FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Alice' AND T2.year = (SELECT max(YEAR) FROM PersonFriend WHERE friend = 'Alice')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names, ages, and jobs of all people who are friends with Alice for the longest amount of time?
SELECT T1.name , T1.age , T1.job FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.name WHERE T2.friend = 'Alice' AND T2.year = (SELECT max(YEAR) FROM PersonFriend WHERE friend = 'Alice')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Who is the person that has no friend?
SELECT name FROM person EXCEPT SELECT name FROM PersonFriend
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all people who do not have friends?
SELECT name FROM person EXCEPT SELECT name FROM PersonFriend
hard
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Which person whose friends have the oldest average age?
SELECT T2.name , avg(T1.age) FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend GROUP BY T2.name ORDER BY avg(T1.age) DESC LIMIT 1
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the name of the person who has the oldest average age for their friends, and what is that average age?
SELECT T2.name , avg(T1.age) FROM Person AS T1 JOIN PersonFriend AS T2 ON T1.name = T2.friend GROUP BY T2.name ORDER BY avg(T1.age) DESC LIMIT 1
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the total number of people who has no friend living in the city of Austin.
SELECT count(DISTINCT name) FROM PersonFriend WHERE friend NOT IN (SELECT name FROM person WHERE city = 'Austin')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What is the total number of people who have no friends living in Austin?
SELECT count(DISTINCT name) FROM PersonFriend WHERE friend NOT IN (SELECT name FROM person WHERE city = 'Austin')
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
Find Alice's friends of friends.
SELECT DISTINCT T4.name FROM PersonFriend AS T1 JOIN Person AS T2 ON T1.name = T2.name JOIN PersonFriend AS T3 ON T1.friend = T3.name JOIN PersonFriend AS T4 ON T3.friend = T4.name WHERE T2.name = 'Alice' AND T4.name != 'Alice'
extra
CREATE TABLE Person (name text, age number, city text, gender text, job text); CREATE TABLE PersonFriend (name text, friend text, year number);
What are the names of all of Alice's friends of friends?
SELECT DISTINCT T4.name FROM PersonFriend AS T1 JOIN Person AS T2 ON T1.name = T2.name JOIN PersonFriend AS T3 ON T1.friend = T3.name JOIN PersonFriend AS T4 ON T3.friend = T4.name WHERE T2.name = 'Alice' AND T4.name != 'Alice'
extra
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
How many members are there?
SELECT count(*) FROM member
easy
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
List the names of members in ascending alphabetical order.
SELECT Name FROM member ORDER BY Name ASC
easy
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
What are the names and countries of members?
SELECT Name , Country FROM member
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members whose country is "United States" or "Canada".
SELECT Name FROM member WHERE Country = "United States" OR Country = "Canada"
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the different countries and the number of members from each.
SELECT Country , COUNT(*) FROM member GROUP BY Country
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the most common country across members.
SELECT Country FROM member GROUP BY Country ORDER BY COUNT(*) DESC LIMIT 1
hard
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Which countries have more than two members?
SELECT Country FROM member GROUP BY Country HAVING COUNT(*) > 2
easy
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the leader names and locations of colleges.
SELECT Leader_Name , College_Location FROM college
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members and names of colleges they go to.
SELECT T2.Name , T1.Name FROM college AS T1 JOIN member AS T2 ON T1.College_ID = T2.College_ID
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members and the locations of colleges they go to in ascending alphabetical order of member names.
SELECT T2.Name , T1.College_Location FROM college AS T1 JOIN member AS T2 ON T1.College_ID = T2.College_ID ORDER BY T2.Name ASC
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the distinct leader names of colleges associated with members from country "Canada".
SELECT DISTINCT T1.Leader_Name FROM college AS T1 JOIN member AS T2 ON T1.College_ID = T2.College_ID WHERE T2.Country = "Canada"
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members and the decoration themes they have.
SELECT T1.Name , T2.Decoration_Theme FROM member AS T1 JOIN round AS T2 ON T1.Member_ID = T2.Member_ID
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members that have a rank in round higher than 3.
SELECT T1.Name FROM member AS T1 JOIN round AS T2 ON T1.Member_ID = T2.Member_ID WHERE T2.Rank_in_Round > 3
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
Show the names of members in ascending order of their rank in rounds.
SELECT T1.Name FROM member AS T1 JOIN round AS T2 ON T1.Member_ID = T2.Member_ID ORDER BY Rank_in_Round ASC
medium
CREATE TABLE college (College_ID number, Name text, Leader_Name text, College_Location text); CREATE TABLE member (Member_ID number, Name text, Country text, College_ID number); CREATE TABLE round (Round_ID number, Member_ID number, Decoration_Theme text, Rank_in_Round number);
List the names of members who did not participate in any round.
SELECT Name FROM member WHERE Member_ID NOT IN (SELECT Member_ID FROM round)
hard
CREATE TABLE Roles (role_code text, role_description text); CREATE TABLE Users (user_id number, role_code text, user_name text, user_login text, password text); CREATE TABLE Document_Structures (document_structure_code text, parent_document_structure_code text, document_structure_description text); CREATE TABLE Functional_Areas (functional_area_code text, parent_functional_area_code text, functional_area_description text); CREATE TABLE Images (image_id number, image_alt_text text, image_name text, image_url text); CREATE TABLE Documents (document_code text, document_structure_code text, document_type_code text, access_count number, document_name text); CREATE TABLE Document_Functional_Areas (document_code text, functional_area_code text); CREATE TABLE Document_Sections (section_id number, document_code text, section_sequence number, section_code text, section_title text); CREATE TABLE Document_Sections_Images (section_id number, image_id number);
Find the name and access counts of all documents, in alphabetic order of the document name.
SELECT document_name , access_count FROM documents ORDER BY document_name
medium