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SELECT date FROM weather WHERE mean_sea_level_pressure_inches BETWEEN 30.3 AND 31
CREATE TABLE weather (date VARCHAR, mean_sea_level_pressure_inches INTEGER)
哪些日子的平均海平面气压在30.3到31之间?
SELECT date , max_temperature_f - min_temperature_f FROM weather ORDER BY max_temperature_f - min_temperature_f LIMIT 1
CREATE TABLE weather (min_temperature_f VARCHAR, date VARCHAR, max_temperature_f VARCHAR)
找出最大温度与最小温度之差最小的一天。并报告差异。
SELECT date , max_temperature_f - min_temperature_f FROM weather ORDER BY max_temperature_f - min_temperature_f LIMIT 1
CREATE TABLE weather (min_temperature_f VARCHAR, date VARCHAR, max_temperature_f VARCHAR)
哪些天具有最小的温度范围,那个范围是什么?
SELECT DISTINCT T1.id , T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id WHERE T2.bikes_available > 12
CREATE TABLE station (name VARCHAR, id VARCHAR), CREATE TABLE status (station_id VARCHAR, bikes_available INTEGER)
有超过12辆可用自行车的车站的ID和名称是什么?
SELECT DISTINCT T1.id , T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id WHERE T2.bikes_available > 12
CREATE TABLE station (name VARCHAR, id VARCHAR), CREATE TABLE status (station_id VARCHAR, bikes_available INTEGER)
有超过12辆可用自行车的车站有哪些不同的ID和名称?
SELECT zip_code FROM weather GROUP BY zip_code HAVING avg(mean_humidity) < 70 INTERSECT SELECT zip_code FROM trip GROUP BY zip_code HAVING count(*) >= 100
CREATE TABLE weather (mean_humidity INTEGER, zip_code VARCHAR), CREATE TABLE trip (mean_humidity INTEGER, zip_code VARCHAR)
给我平均湿度低于70,至少有100个路线的地区邮编。
SELECT zip_code FROM weather GROUP BY zip_code HAVING avg(mean_humidity) < 70 INTERSECT SELECT zip_code FROM trip GROUP BY zip_code HAVING count(*) >= 100
CREATE TABLE weather (mean_humidity INTEGER, zip_code VARCHAR), CREATE TABLE trip (mean_humidity INTEGER, zip_code VARCHAR)
平均湿度低于70并且至少有100次旅行的邮政编码是什么?
SELECT name FROM station WHERE city = "西安" EXCEPT SELECT end_station_name FROM trip GROUP BY end_station_name HAVING count(*) > 100
CREATE TABLE station (end_station_name VARCHAR, name VARCHAR, city VARCHAR), CREATE TABLE trip (end_station_name VARCHAR, name VARCHAR, city VARCHAR)
位于“西安”市但没能成为100次以上路线的终点的车站叫什么名字?
SELECT name FROM station WHERE city = "西安" EXCEPT SELECT end_station_name FROM trip GROUP BY end_station_name HAVING count(*) > 100
CREATE TABLE station (end_station_name VARCHAR, name VARCHAR, city VARCHAR), CREATE TABLE trip (end_station_name VARCHAR, name VARCHAR, city VARCHAR)
位于“西安”但从未成为路线终点的车站叫什么名字?
SELECT count(*) FROM station AS T1 JOIN trip AS T2 JOIN station AS T3 JOIN trip AS T4 ON T1.id = T2.start_station_id AND T2.id = T4.id AND T3.id = T4.end_station_id WHERE T1.city = "重庆" AND T3.city = "西安"
CREATE TABLE station (city VARCHAR, id VARCHAR), CREATE TABLE trip (end_station_id VARCHAR, id VARCHAR)
从“重庆”出发到“西安”有多少路线?
SELECT count(*) FROM station AS T1 JOIN trip AS T2 JOIN station AS T3 JOIN trip AS T4 ON T1.id = T2.start_station_id AND T2.id = T4.id AND T3.id = T4.end_station_id WHERE T1.city = "重庆" AND T3.city = "西安"
CREATE TABLE station (city VARCHAR, id VARCHAR), CREATE TABLE trip (end_station_id VARCHAR, id VARCHAR)
从“重庆”的一个车站到“西安”的一个车站,总共有多少次旅行?
SELECT avg(T1.lat) , avg(T1.long) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id
CREATE TABLE station (lat INTEGER, long INTEGER, id VARCHAR), CREATE TABLE trip (start_station_id VARCHAR)
所有路线起点的平均纬度和经度是多少?
SELECT avg(T1.lat) , avg(T1.long) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id
CREATE TABLE station (lat INTEGER, long INTEGER, id VARCHAR), CREATE TABLE trip (start_station_id VARCHAR)
所有出发站的平均纬度和经度是多少?
SELECT count(*) FROM book
CREATE TABLE book (Id VARCHAR)
有多少本书?
SELECT Writer FROM book ORDER BY Writer ASC
CREATE TABLE book (Writer VARCHAR)
按字母顺序列出书的作者。
SELECT Title FROM book ORDER BY Issues ASC
CREATE TABLE book (Issues VARCHAR, Title VARCHAR)
按出版升序排列,列出书名。
SELECT Title FROM book WHERE Writer != "钱钟书"
CREATE TABLE book (Writer VARCHAR, Title VARCHAR)
作者不是“钱钟书”的书名是什么?
SELECT Title , Issues FROM book
CREATE TABLE book (Issues VARCHAR, Title VARCHAR)
书的题目和出版是什么?
SELECT Publication_Date FROM publication ORDER BY Price DESC
CREATE TABLE publication (Price VARCHAR, Publication_Date VARCHAR)
按价格降序排列的出版物日期是什么?
SELECT DISTINCT Publisher FROM publication WHERE Price > 5000000
CREATE TABLE publication (Publisher VARCHAR, Price INTEGER)
哪些不同出版商有格高于5000000的出版物?
SELECT Publisher FROM publication ORDER BY Price DESC LIMIT 1
CREATE TABLE publication (Publisher VARCHAR, Price VARCHAR)
列出出版物价格最高的出版商。
SELECT Publication_Date FROM publication ORDER BY Price ASC LIMIT 3
CREATE TABLE publication (Price VARCHAR, Publication_Date VARCHAR)
列出3个最低价格的出版物的出版日期。
SELECT T1.Title , T2.Publication_Date FROM book AS T1 JOIN publication AS T2 ON T1.Book_ID = T2.Book_ID
CREATE TABLE book (Book_ID VARCHAR, Title VARCHAR), CREATE TABLE publication (Book_ID VARCHAR, Publication_Date VARCHAR)
显示图书的书名和出版日期。
SELECT T1.Writer FROM book AS T1 JOIN publication AS T2 ON T1.Book_ID = T2.Book_ID WHERE T2.Price > 4000000
CREATE TABLE book (Book_ID VARCHAR, Writer VARCHAR), CREATE TABLE publication (Book_ID VARCHAR, Price INTEGER)
显示已经出版的一本价格超过4000000的书的作家。
SELECT T1.Title FROM book AS T1 JOIN publication AS T2 ON T1.Book_ID = T2.Book_ID ORDER BY T2.Price DESC
CREATE TABLE book (Book_ID VARCHAR, Title VARCHAR), CREATE TABLE publication (Book_ID VARCHAR, Price VARCHAR)
按出版物价格的顺序显示书名。
SELECT Publisher FROM publication GROUP BY Publisher HAVING COUNT(*) > 1
CREATE TABLE publication (Publisher VARCHAR)
显示有不止一个出版物的出版商。
SELECT Publisher , COUNT(*) FROM publication GROUP BY Publisher
CREATE TABLE publication (Publisher VARCHAR)
展示不同的出版商以及他们出版的出版物数量。
SELECT Publication_Date FROM publication GROUP BY Publication_Date ORDER BY COUNT(*) DESC LIMIT 1
CREATE TABLE publication (Publication_Date VARCHAR)
请显示最常见的出版日期。
SELECT Writer FROM book GROUP BY Writer HAVING COUNT(*) > 1
CREATE TABLE book (Writer VARCHAR)
列出那些写过不止一本书的作家。
SELECT Title FROM book WHERE Book_ID NOT IN (SELECT Book_ID FROM publication)
CREATE TABLE book (Book_ID VARCHAR, Title VARCHAR), CREATE TABLE publication (Book_ID VARCHAR, Title VARCHAR)
列出未出版的书名。
SELECT Publisher FROM publication WHERE Price > 10000000 INTERSECT SELECT Publisher FROM publication WHERE Price < 5000000
CREATE TABLE publication (Publisher VARCHAR, Price INTEGER)
显示价格高于10000000和价格低于50000000的出版物的出版商。
SELECT COUNT (DISTINCT Publication_Date) FROM publication
CREATE TABLE publication (Publication_Date VARCHAR)
不同出版日期的出版物数量是多少?
SELECT COUNT (DISTINCT Publication_Date) FROM publication
CREATE TABLE publication (Publication_Date VARCHAR)
我们的记录中有多少种不同的出版日期?
SELECT Price FROM publication WHERE Publisher = "文学" OR Publisher = "机械"
CREATE TABLE publication (Publisher VARCHAR, Price VARCHAR)
显示出版商是“文学”或“机械”的出版物价格。
SELECT count(*) FROM actor
CREATE TABLE actor (Id VARCHAR)
那儿有多少演员?
SELECT count(*) FROM actor
CREATE TABLE actor (Id VARCHAR)
统计演员的数量。
SELECT Name FROM actor ORDER BY Name ASC
CREATE TABLE actor (Name VARCHAR)
按照升序字母顺序列出演员的名字。
SELECT Name FROM actor ORDER BY Name ASC
CREATE TABLE actor (Name VARCHAR)
演员的名字是什么,按字母顺序排列?
SELECT Character , Duration FROM actor
CREATE TABLE actor (Duration VARCHAR, Character VARCHAR)
演员的角色和持续时间是什么?
SELECT Character , Duration FROM actor
CREATE TABLE actor (Duration VARCHAR, Character VARCHAR)
返回每个演员的角色和持续时间。
SELECT Name FROM actor WHERE Age != 20
CREATE TABLE actor (Name VARCHAR, Age VARCHAR)
列出年龄不是20岁的演员的名字。
SELECT Name FROM actor WHERE Age != 20
CREATE TABLE actor (Name VARCHAR, Age VARCHAR)
不是20岁的演员的名字是什么?
SELECT Character FROM actor ORDER BY age DESC
CREATE TABLE actor (age VARCHAR, Character VARCHAR)
按照年龄降序,演员的角色是什么?
SELECT Character FROM actor ORDER BY age DESC
CREATE TABLE actor (age VARCHAR, Character VARCHAR)
返回演员的角色,按年龄降序排序。
SELECT Duration FROM actor ORDER BY Age DESC LIMIT 1
CREATE TABLE actor (Duration VARCHAR, Age VARCHAR)
最老演员的持续时间是多少?
SELECT Duration FROM actor ORDER BY Age DESC LIMIT 1
CREATE TABLE actor (Duration VARCHAR, Age VARCHAR)
返回最大年龄的演员的持续时间。
SELECT Name FROM musical WHERE Nominee = "梁朝伟"
CREATE TABLE musical (Name VARCHAR, Nominee VARCHAR)
提名“梁朝伟”的音乐剧名称是什么?
SELECT Name FROM musical WHERE Nominee = "梁朝伟"
CREATE TABLE musical (Name VARCHAR, Nominee VARCHAR)
返回有提名“梁朝伟”的音乐剧名称。
SELECT DISTINCT Nominee FROM musical WHERE Award != "金鸡奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
除了“金鸡奖”之外,还有哪些音乐剧的不同提名呢?
SELECT DISTINCT Nominee FROM musical WHERE Award != "金鸡奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
返回奖项不是“金鸡奖”的音乐剧的不同提名。
SELECT T1.Name , T2.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
显示演员姓名和音乐剧名称。
SELECT T1.Name , T2.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
演员和他们出演的音乐剧的名字是什么?
SELECT T1.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID WHERE T2.Name = "歌剧魅影"
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
显示以“歌剧魅影”为名字的音乐剧中的演员的名字。
SELECT T1.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID WHERE T2.Name = "歌剧魅影"
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
音乐剧“歌剧魅影”的演员叫什么名字?
SELECT T1.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID ORDER BY T2.Year DESC
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Year VARCHAR, Musical_ID VARCHAR)
以出演的音乐剧获奖的年份降序排列,显示演员姓名。
SELECT T1.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID ORDER BY T2.Year DESC
CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE musical (Year VARCHAR, Musical_ID VARCHAR)
按出演的音乐剧获奖年份降序排列,演员姓名是什么?
SELECT T2.Name , COUNT(*) FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID GROUP BY T1.Musical_ID
CREATE TABLE actor (Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
显示音乐剧的名称和在音乐剧中出现的演员的数目。
SELECT T2.Name , COUNT(*) FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID GROUP BY T1.Musical_ID
CREATE TABLE actor (Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
每个音乐剧中有多少演员?
SELECT T2.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID GROUP BY T1.Musical_ID HAVING COUNT(*) >= 3
CREATE TABLE actor (Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
显示至少有三个演员的音乐剧名称。
SELECT T2.Name FROM actor AS T1 JOIN musical AS T2 ON T1.Musical_ID = T2.Musical_ID GROUP BY T1.Musical_ID HAVING COUNT(*) >= 3
CREATE TABLE actor (Musical_ID VARCHAR), CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR)
有3个或更多演员的音乐剧名称是什么?
SELECT Nominee , COUNT(*) FROM musical GROUP BY Nominee
CREATE TABLE musical (Nominee VARCHAR)
显示不同的被提名者和他们提名的音乐剧的数量。
SELECT Nominee , COUNT(*) FROM musical GROUP BY Nominee
CREATE TABLE musical (Nominee VARCHAR)
每个被提名者有多少音乐剧被提名?
SELECT Nominee FROM musical GROUP BY Nominee ORDER BY COUNT(*) DESC LIMIT 1
CREATE TABLE musical (Nominee VARCHAR)
请显示被提名次数最多的被提名者。
SELECT Nominee FROM musical GROUP BY Nominee ORDER BY COUNT(*) DESC LIMIT 1
CREATE TABLE musical (Nominee VARCHAR)
谁是被提名音乐剧最多的的被提名人?
SELECT RESULT FROM musical GROUP BY RESULT ORDER BY COUNT(*) DESC LIMIT 1
CREATE TABLE musical (RESULT VARCHAR)
列出音乐剧最常见的结局。
SELECT RESULT FROM musical GROUP BY RESULT ORDER BY COUNT(*) DESC LIMIT 1
CREATE TABLE musical (RESULT VARCHAR)
返回所有音乐剧中最常见的结局。
SELECT Nominee FROM musical GROUP BY Nominee HAVING COUNT(*) > 2
CREATE TABLE musical (Nominee VARCHAR)
列出被提名超过两部音乐剧的被提名者。
SELECT Nominee FROM musical GROUP BY Nominee HAVING COUNT(*) > 2
CREATE TABLE musical (Nominee VARCHAR)
被提名超过两次的被提名者是谁?
SELECT Name FROM musical WHERE Musical_ID NOT IN (SELECT Musical_ID FROM actor)
CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR)
列出没有演员的音乐剧名称。
SELECT Name FROM musical WHERE Musical_ID NOT IN (SELECT Musical_ID FROM actor)
CREATE TABLE musical (Name VARCHAR, Musical_ID VARCHAR), CREATE TABLE actor (Name VARCHAR, Musical_ID VARCHAR)
没有演员的音乐剧名称是什么?
SELECT Nominee FROM musical WHERE Award = "金鸡奖" INTERSECT SELECT Nominee FROM musical WHERE Award = "金马奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
显示被提名“金鸡奖”和“金马奖”的被提名人。
SELECT Nominee FROM musical WHERE Award = "金鸡奖" INTERSECT SELECT Nominee FROM musical WHERE Award = "金马奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
谁被提名过“金鸡奖”和“金马奖”?
SELECT Nominee FROM musical WHERE Award = "金鸡奖" OR Award = "金像奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
显示获得“金鸡奖”或“金像奖”奖的被提名音乐人。
SELECT Nominee FROM musical WHERE Award = "金鸡奖" OR Award = "金像奖"
CREATE TABLE musical (Award VARCHAR, Nominee VARCHAR)
谁被提名过“金鸡奖”或“金像奖”奖项?
SELECT email FROM user_profiles WHERE name = '马丽'
CREATE TABLE user_profiles (name VARCHAR, email VARCHAR)
找到名为“马丽”的用户的电子邮件。
SELECT partitionid FROM user_profiles WHERE name = '钢铁侠'
CREATE TABLE user_profiles (name VARCHAR, partitionid VARCHAR)
名为“钢铁侠”的用户的ID是什么?
SELECT count(*) FROM user_profiles
CREATE TABLE user_profiles (Id VARCHAR)
有多少用户?
SELECT count(*) FROM follows
CREATE TABLE follows (Id VARCHAR)
每个用户有多少追随者?
SELECT count(*) FROM follows GROUP BY f1
CREATE TABLE follows (f1 VARCHAR)
查找每个用户的追随者数量。
SELECT count(*) FROM tweets
CREATE TABLE tweets (Id VARCHAR)
在记录中找到推文的数量。
SELECT count(DISTINCT UID) FROM tweets
CREATE TABLE tweets (UID VARCHAR)
查找发布了的推文的用户的数量。
SELECT name , email FROM user_profiles WHERE name LIKE '往事随风'
CREATE TABLE user_profiles (name VARCHAR, email VARCHAR)
找出用户名字中含有“往事随风”的人的名字和电子邮箱。
SELECT name FROM user_profiles WHERE email LIKE '巨星' OR email LIKE 'qq'
CREATE TABLE user_profiles (name VARCHAR, email VARCHAR)
找出电子邮箱中中含有“superstar”或是“edu”的用户的名字。
SELECT text FROM tweets WHERE text LIKE '实习'
CREATE TABLE tweets (text VARCHAR)
返回关于“实习”主题的推文。
SELECT name , email FROM user_profiles WHERE followers > 1000
CREATE TABLE user_profiles (name VARCHAR, email VARCHAR, followers INTEGER)
查找拥有超过1000个追随者的用户的姓名和电子邮件。
SELECT T1.name FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f1 GROUP BY T2.f1 HAVING count(*) > (SELECT count(*) FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f1 WHERE T1.name = '蔡依林')
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE follows (f1 VARCHAR)
查找追随者数量大于名为“蔡依林”的用户的用户名称。
SELECT T1.name , T1.email FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f1 GROUP BY T2.f1 HAVING count(*) > 1
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR, email VARCHAR), CREATE TABLE follows (f1 VARCHAR)
查找有不止一个跟随者的用户的姓名和电子邮件。
SELECT T1.name FROM user_profiles AS T1 JOIN tweets AS T2 ON T1.uid = T2.uid GROUP BY T2.uid HAVING count(*) > 1
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE tweets (uid VARCHAR)
查找拥有不止一条推特的用户的姓名。
SELECT T2.f1 FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f2 WHERE T1.name = "马丽" INTERSECT SELECT T2.f1 FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f2 WHERE T1.name = "苏晴"
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE follows (f1 VARCHAR, f2 VARCHAR)
找到被“马丽”和“苏晴”跟随的用户的ID。
SELECT T2.f1 FROM user_profiles AS T1 JOIN follows AS T2 ON T1.uid = T2.f2 WHERE T1.name = "马丽" OR T1.name = "苏晴"
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE follows (f1 VARCHAR, f2 VARCHAR)
找到“马丽”或“苏晴”共同追随的用户的ID。
SELECT name FROM user_profiles ORDER BY followers DESC LIMIT 1
CREATE TABLE user_profiles (name VARCHAR, followers VARCHAR)
查找有最多追随者的用户的名称。
SELECT name , email FROM user_profiles ORDER BY followers LIMIT 1
CREATE TABLE user_profiles (followers VARCHAR, name VARCHAR, email VARCHAR)
找到有最少追随者的用户的名字和电子邮件。
SELECT name , followers FROM user_profiles ORDER BY followers DESC
CREATE TABLE user_profiles (name VARCHAR, followers VARCHAR)
按跟随者数量的降序进行排序,列出每个用户的名称和追随者数目。
SELECT name FROM user_profiles ORDER BY followers DESC LIMIT 5
CREATE TABLE user_profiles (name VARCHAR, followers VARCHAR)
列出拥有追随者的最多的前5个用户的名字。
SELECT text FROM tweets ORDER BY createdate
CREATE TABLE tweets (text VARCHAR, createdate VARCHAR)
按日期顺序列出所有推文的文本。
SELECT T1.name , count(*) FROM user_profiles AS T1 JOIN tweets AS T2 ON T1.uid = T2.uid GROUP BY T2.uid
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE tweets (uid VARCHAR)
找出每个用户的名字和推特的数量。
SELECT T1.name , T1.partitionid FROM user_profiles AS T1 JOIN tweets AS T2 ON T1.uid = T2.uid GROUP BY T2.uid HAVING count(*) < 2
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR, partitionid VARCHAR), CREATE TABLE tweets (uid VARCHAR)
查找发了不到两次推特的用户的名称和ID。
SELECT T1.name , count(*) FROM user_profiles AS T1 JOIN tweets AS T2 ON T1.uid = T2.uid GROUP BY T2.uid HAVING count(*) > 1
CREATE TABLE user_profiles (uid VARCHAR, name VARCHAR), CREATE TABLE tweets (uid VARCHAR)
查找不止一次发推特的用户的姓名,以及他们发推特的次数。
SELECT avg(followers) FROM user_profiles WHERE UID NOT IN (SELECT UID FROM tweets)
CREATE TABLE user_profiles (followers INTEGER, UID VARCHAR), CREATE TABLE tweets (followers INTEGER, UID VARCHAR)
查找没有任何推特的用户的平均追随者数量。
SELECT avg(followers) FROM user_profiles WHERE UID IN (SELECT UID FROM tweets)
CREATE TABLE user_profiles (followers INTEGER, UID VARCHAR), CREATE TABLE tweets (followers INTEGER, UID VARCHAR)
查找有一些推文的用户的平均追随者数量。