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Mostrar id, localização e nome do gerente de estações de gasolina para todas as estações de gasolina ordenadas por ano aberto.
CREATE TABLE gas_station (station_id VARCHAR, LOCATION VARCHAR, manager_name VARCHAR, open_year VARCHAR)
SELECT station_id, LOCATION, manager_name FROM gas_station ORDER BY open_year
Quantos postos de gasolina foram abertos entre 2000 e 2005?
CREATE TABLE gas_station (open_year INTEGER)
SELECT COUNT(*) FROM gas_station WHERE open_year BETWEEN 2000 AND 2005
Mostrar todos os locais e o número de postos de gasolina em cada local ordenado pelo contagem.
CREATE TABLE gas_station (LOCATION VARCHAR)
SELECT LOCATION, COUNT(*) FROM gas_station GROUP BY LOCATION ORDER BY COUNT(*)
Mostre todas as sedes com uma empresa da indústria bancária e uma empresa do petróleo e gás.
CREATE TABLE company (headquarters VARCHAR, main_industry VARCHAR)
SELECT headquarters FROM company WHERE main_industry = 'Banking' INTERSECT SELECT headquarters FROM company WHERE main_industry = 'Oil and gas'
Mostre todas as sedes sem uma empresa no setor bancário.
CREATE TABLE company (headquarters VARCHAR, main_industry VARCHAR)
SELECT headquarters FROM company EXCEPT SELECT headquarters FROM company WHERE main_industry = 'Banking'
Mostrar o nome da empresa com o número da estação de gasolina.
CREATE TABLE station_company (company_id VARCHAR); CREATE TABLE company (company VARCHAR, company_id VARCHAR)
SELECT T2.company, COUNT(*) FROM station_company AS T1 JOIN company AS T2 ON T1.company_id = T2.company_id GROUP BY T1.company_id
Mostrar o nome da empresa e a indústria principal sem estação de gasolina.
CREATE TABLE station_company (company VARCHAR, main_industry VARCHAR, company_id VARCHAR); CREATE TABLE company (company VARCHAR, main_industry VARCHAR, company_id VARCHAR)
SELECT company, main_industry FROM company WHERE NOT company_id IN (SELECT company_id FROM station_company)
Mostrar o nome do gerente de estações de gasolina pertencentes à empresa ExxonMobil.
CREATE TABLE gas_station (manager_name VARCHAR, station_id VARCHAR); CREATE TABLE station_company (company_id VARCHAR, station_id VARCHAR); CREATE TABLE company (company_id VARCHAR, company VARCHAR)
SELECT T3.manager_name FROM station_company AS T1 JOIN company AS T2 ON T1.company_id = T2.company_id JOIN gas_station AS T3 ON T1.station_id = T3.station_id WHERE T2.company = 'ExxonMobil'
Indicar todos os locais onde se encontra uma estação de serviço para empresas com valor de mercado superior a 100.
CREATE TABLE gas_station (location VARCHAR, station_id VARCHAR); CREATE TABLE company (company_id VARCHAR, market_value INTEGER); CREATE TABLE station_company (company_id VARCHAR, station_id VARCHAR)
SELECT T3.location FROM station_company AS T1 JOIN company AS T2 ON T1.company_id = T2.company_id JOIN gas_station AS T3 ON T1.station_id = T3.station_id WHERE T2.market_value > 100
Mostrar o nome do gestor com o maior número de postos de gasolina abertos após 2000.
CREATE TABLE gas_station (manager_name VARCHAR, open_year INTEGER)
SELECT manager_name FROM gas_station WHERE open_year > 2000 GROUP BY manager_name ORDER BY COUNT(*) DESC LIMIT 1
Ordenar todos os locais de posto de gasolina até ao ano de abertura.
CREATE TABLE gas_station (LOCATION VARCHAR, open_year VARCHAR)
SELECT LOCATION FROM gas_station ORDER BY open_year
Encontre a classificação, os nomes das empresas, os valores de mercado das empresas do setor bancário, por ordem de vendas e lucros em bilhões.
CREATE TABLE company (rank VARCHAR, company VARCHAR, market_value VARCHAR, main_industry VARCHAR, sales_billion VARCHAR, profits_billion VARCHAR)
SELECT rank, company, market_value FROM company WHERE main_industry = 'Banking' ORDER BY sales_billion, profits_billion
Encontrar a localização e o nome representativo das estações de gasolina pertencentes às empresas com os 3 maiores montantes de activos.
CREATE TABLE gas_station (location VARCHAR, Representative_Name VARCHAR, station_id VARCHAR); CREATE TABLE station_company (company_id VARCHAR, station_id VARCHAR); CREATE TABLE company (company_id VARCHAR, Assets_billion VARCHAR)
SELECT T3.location, T3.Representative_Name FROM station_company AS T1 JOIN company AS T2 ON T1.company_id = T2.company_id JOIN gas_station AS T3 ON T1.station_id = T3.station_id ORDER BY T2.Assets_billion DESC LIMIT 3
Quantas regiões temos?
CREATE TABLE region (Id VARCHAR)
SELECT COUNT(*) FROM region
Mostrar todos os nomes de regiões diferentes ordenados por seus rótulos.
CREATE TABLE region (region_name VARCHAR, Label VARCHAR)
SELECT DISTINCT region_name FROM region ORDER BY Label
Quantas festas temos?
CREATE TABLE party (party_name VARCHAR)
SELECT COUNT(DISTINCT party_name) FROM party
Mostrar os ministros e o tempo que eles tomaram e deixaram o cargo, listados pela época em que deixaram o cargo.
CREATE TABLE party (minister VARCHAR, took_office VARCHAR, left_office VARCHAR)
SELECT minister, took_office, left_office FROM party ORDER BY left_office
Mostre o ministro que assumiu o cargo após 1961 ou antes de 1959.
CREATE TABLE party (minister VARCHAR, took_office VARCHAR)
SELECT minister FROM party WHERE took_office > 1961 OR took_office < 1959
Mostrar todos os ministros que não pertencem ao Partido do Progresso.
CREATE TABLE party (minister VARCHAR, party_name VARCHAR)
SELECT minister FROM party WHERE party_name <> 'Progress Party'
Mostrar todos os ministros e partidos a que pertencem em ordem decrescente da época em que assumiram o cargo.
CREATE TABLE party (minister VARCHAR, party_name VARCHAR, took_office VARCHAR)
SELECT minister, party_name FROM party ORDER BY took_office DESC
Devolva o ministro que deixou o cargo no último momento.
CREATE TABLE party (minister VARCHAR, left_office VARCHAR)
SELECT minister FROM party ORDER BY left_office DESC LIMIT 1
Lista de nomes de membros e nomes de partido.
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE Member (member_name VARCHAR, party_id VARCHAR)
SELECT T1.member_name, T2.party_name FROM Member AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id
Mostrar todos os nomes dos partidos e o número de membros de cada partido.
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE Member (party_id VARCHAR)
SELECT T2.party_name, COUNT(*) FROM Member AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id GROUP BY T1.party_id
Qual é o nome do partido com mais membros?
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE Member (party_id VARCHAR)
SELECT T2.party_name FROM Member AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id GROUP BY T1.party_id ORDER BY COUNT(*) DESC LIMIT 1
Mostrar todos os nomes dos partidos e os nomes das regiões.
CREATE TABLE region (region_name VARCHAR, region_id VARCHAR); CREATE TABLE party (party_name VARCHAR, region_id VARCHAR)
SELECT T1.party_name, T2.region_name FROM party AS T1 JOIN region AS T2 ON T1.region_id = T2.region_id
Mostrar os nomes dos partidos que não têm membros.
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE Member (party_name VARCHAR, party_id VARCHAR)
SELECT party_name FROM party WHERE NOT party_id IN (SELECT party_id FROM Member)
Mostrar os nomes dos membros que estão tanto no partido com id 3 e no partido com id 1.
CREATE TABLE member (member_name VARCHAR, party_id VARCHAR)
SELECT member_name FROM member WHERE party_id = 3 INTERSECT SELECT member_name FROM member WHERE party_id = 1
Mostrar nomes de membros que não estão no Partido do Progresso.
CREATE TABLE party (party_id VARCHAR, Party_name VARCHAR); CREATE TABLE Member (member_name VARCHAR, party_id VARCHAR)
SELECT T1.member_name FROM Member AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id WHERE T2.Party_name <> "Progress Party"
Quantos eventos de festa temos?
CREATE TABLE party_events (Id VARCHAR)
SELECT COUNT(*) FROM party_events
Indicar os nomes dos partidos e o número de eventos de cada partido.
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE party_events (party_id VARCHAR)
SELECT T2.party_name, COUNT(*) FROM party_events AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id GROUP BY T1.party_id
Mostrar os nomes de todos os membros que não estão encarregados de qualquer evento.
CREATE TABLE member (member_name VARCHAR); CREATE TABLE party_events (member_in_charge_id VARCHAR); CREATE TABLE member (member_name VARCHAR, member_id VARCHAR)
SELECT member_name FROM member EXCEPT SELECT T1.member_name FROM member AS T1 JOIN party_events AS T2 ON T1.member_id = T2.member_in_charge_id
Quais são os nomes de partidos com pelo menos 2 eventos?
CREATE TABLE party (party_name VARCHAR, party_id VARCHAR); CREATE TABLE party_events (party_id VARCHAR)
SELECT T2.party_name FROM party_events AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id GROUP BY T1.party_id HAVING COUNT(*) >= 2
Qual é o nome do membro responsável pelo maior número de eventos?
CREATE TABLE party_events (member_in_charge_id VARCHAR); CREATE TABLE member (member_name VARCHAR, member_id VARCHAR)
SELECT T1.member_name FROM member AS T1 JOIN party_events AS T2 ON T1.member_id = T2.member_in_charge_id GROUP BY T2.member_in_charge_id ORDER BY COUNT(*) DESC LIMIT 1
encontrar os nomes de eventos que têm mais de 2 registros.
CREATE TABLE party_events (event_name VARCHAR)
SELECT event_name FROM party_events GROUP BY event_name HAVING COUNT(*) > 2
Quantos eventos da Reunião Anual aconteceram na região do Reino Unido?
CREATE TABLE party_events (party_id VARCHAR, Event_Name VARCHAR); CREATE TABLE region (region_id VARCHAR, region_name VARCHAR); CREATE TABLE party (region_id VARCHAR, party_id VARCHAR)
SELECT COUNT(*) FROM region AS t1 JOIN party AS t2 ON t1.region_id = t2.region_id JOIN party_events AS t3 ON t2.party_id = t3.party_id WHERE t1.region_name = "United Kingdom" AND t3.Event_Name = "Annaual Meeting"
Quantos pilotos há?
CREATE TABLE pilot (Id VARCHAR)
SELECT COUNT(*) FROM pilot
Escreva os nomes dos pilotos em ordem ascendente de patamar.
CREATE TABLE pilot (Pilot_name VARCHAR, Rank VARCHAR)
SELECT Pilot_name FROM pilot ORDER BY Rank
Quais são as posições e as equipas dos pilotos?
CREATE TABLE pilot (POSITION VARCHAR, Team VARCHAR)
SELECT POSITION, Team FROM pilot
Escreva as posições dos pilotos com mais de 30 anos.
CREATE TABLE pilot (POSITION VARCHAR, Age INTEGER)
SELECT DISTINCT POSITION FROM pilot WHERE Age > 30
Mostra os nomes dos pilotos da equipa "Bradley" ou "Fordham".
CREATE TABLE pilot (Pilot_name VARCHAR, Team VARCHAR)
SELECT Pilot_name FROM pilot WHERE Team = "Bradley" OR Team = "Fordham"
Qual é o ano de entrada do piloto de mais alto grau?
CREATE TABLE pilot (Join_Year VARCHAR, Rank VARCHAR)
SELECT Join_Year FROM pilot ORDER BY Rank LIMIT 1
Qual é a nacionalidade dos pilotos? Indique cada nacionalidade e o número de pilotos de cada nacionalidade.
CREATE TABLE pilot (Nationality VARCHAR)
SELECT Nationality, COUNT(*) FROM pilot GROUP BY Nationality
Indicar a nacionalidade mais comum dos pilotos.
CREATE TABLE pilot (Nationality VARCHAR)
SELECT Nationality FROM pilot GROUP BY Nationality ORDER BY COUNT(*) DESC LIMIT 1
Indicar as posições de pilotos que têm pilotos que se juntam após o ano 2005 e pilotos que se juntam antes de 2000.
CREATE TABLE pilot (POSITION VARCHAR, Join_Year INTEGER)
SELECT POSITION FROM pilot WHERE Join_Year < 2000 INTERSECT SELECT POSITION FROM pilot WHERE Join_Year > 2005
Mostrar os nomes dos pilotos e modelos de aeronaves que eles voaram.
CREATE TABLE pilot_record (Aircraft_ID VARCHAR, Pilot_ID VARCHAR); CREATE TABLE pilot (Pilot_name VARCHAR, Pilot_ID VARCHAR); CREATE TABLE aircraft (Model VARCHAR, Aircraft_ID VARCHAR)
SELECT T3.Pilot_name, T2.Model FROM pilot_record AS T1 JOIN aircraft AS T2 ON T1.Aircraft_ID = T2.Aircraft_ID JOIN pilot AS T3 ON T1.Pilot_ID = T3.Pilot_ID
Indicar os nomes dos pilotos e a série de aeronaves com as quais voaram, em ordem ascendente do posto de piloto.
CREATE TABLE pilot (Pilot_name VARCHAR, Pilot_ID VARCHAR, Rank VARCHAR); CREATE TABLE pilot_record (Aircraft_ID VARCHAR, Pilot_ID VARCHAR); CREATE TABLE aircraft (Fleet_Series VARCHAR, Aircraft_ID VARCHAR)
SELECT T3.Pilot_name, T2.Fleet_Series FROM pilot_record AS T1 JOIN aircraft AS T2 ON T1.Aircraft_ID = T2.Aircraft_ID JOIN pilot AS T3 ON T1.Pilot_ID = T3.Pilot_ID ORDER BY T3.Rank
Mostrar a série de aeronaves de frota voadas por pilotos com menos de 34 anos
CREATE TABLE pilot_record (Aircraft_ID VARCHAR, Pilot_ID VARCHAR); CREATE TABLE pilot (Pilot_ID VARCHAR, Age INTEGER); CREATE TABLE aircraft (Fleet_Series VARCHAR, Aircraft_ID VARCHAR)
SELECT T2.Fleet_Series FROM pilot_record AS T1 JOIN aircraft AS T2 ON T1.Aircraft_ID = T2.Aircraft_ID JOIN pilot AS T3 ON T1.Pilot_ID = T3.Pilot_ID WHERE T3.Age < 34
Mostre os nomes dos pilotos e o número de registos que têm.
CREATE TABLE pilot (Pilot_name VARCHAR, pilot_ID VARCHAR); CREATE TABLE pilot_record (pilot_ID VARCHAR)
SELECT T2.Pilot_name, COUNT(*) FROM pilot_record AS T1 JOIN pilot AS T2 ON T1.pilot_ID = T2.pilot_ID GROUP BY T2.Pilot_name
Mostrar os nomes de pilotos que tenham mais de um registo.
CREATE TABLE pilot (Pilot_name VARCHAR, pilot_ID VARCHAR); CREATE TABLE pilot_record (pilot_ID VARCHAR)
SELECT T2.Pilot_name, COUNT(*) FROM pilot_record AS T1 JOIN pilot AS T2 ON T1.pilot_ID = T2.pilot_ID GROUP BY T2.Pilot_name HAVING COUNT(*) > 1
Escreva os nomes dos pilotos que não têm cadastro.
CREATE TABLE pilot_record (Pilot_name VARCHAR, Pilot_ID VARCHAR); CREATE TABLE pilot (Pilot_name VARCHAR, Pilot_ID VARCHAR)
SELECT Pilot_name FROM pilot WHERE NOT Pilot_ID IN (SELECT Pilot_ID FROM pilot_record)
Que códigos de estado de documentos temos?
CREATE TABLE Ref_Document_Status (document_status_code VARCHAR)
SELECT document_status_code FROM Ref_Document_Status
Qual é a descrição do código de estado do documento "funcionando"?
CREATE TABLE Ref_Document_Status (document_status_description VARCHAR, document_status_code VARCHAR)
SELECT document_status_description FROM Ref_Document_Status WHERE document_status_code = "working"
Que tipos de códigos de documentos temos?
CREATE TABLE Ref_Document_Types (document_type_code VARCHAR)
SELECT document_type_code FROM Ref_Document_Types
Qual é a descrição do tipo de documento "Papel"?
CREATE TABLE Ref_Document_Types (document_type_description VARCHAR, document_type_code VARCHAR)
SELECT document_type_description FROM Ref_Document_Types WHERE document_type_code = "Paper"
Como se chamam os agentes de transporte?
CREATE TABLE Ref_Shipping_Agents (shipping_agent_name VARCHAR)
SELECT shipping_agent_name FROM Ref_Shipping_Agents
Qual é o código do agente de expedição da UPS?
CREATE TABLE Ref_Shipping_Agents (shipping_agent_code VARCHAR, shipping_agent_name VARCHAR)
SELECT shipping_agent_code FROM Ref_Shipping_Agents WHERE shipping_agent_name = "UPS"
O que são todos os códigos de funções?
CREATE TABLE ROLES (role_code VARCHAR)
SELECT role_code FROM ROLES
Qual é a descrição do código de funções da ED?
CREATE TABLE ROLES (role_description VARCHAR, role_code VARCHAR)
SELECT role_description FROM ROLES WHERE role_code = "ED"
Quantos empregados temos?
CREATE TABLE Employees (Id VARCHAR)
SELECT COUNT(*) FROM Employees
Qual é o papel do empregado chamado Koby?
CREATE TABLE ROLES (role_description VARCHAR, role_code VARCHAR); CREATE TABLE Employees (role_code VARCHAR, employee_name VARCHAR)
SELECT T1.role_description FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code WHERE T2.employee_name = "Koby"
Indicar todas as identidades dos documentos e as datas de receção dos documentos.
CREATE TABLE Documents (document_id VARCHAR, receipt_date VARCHAR)
SELECT document_id, receipt_date FROM Documents
Quantos empregados tem cada função?
CREATE TABLE ROLES (role_description VARCHAR, role_code VARCHAR); CREATE TABLE Employees (role_code VARCHAR)
SELECT T1.role_description, T2.role_code, COUNT(*) FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code GROUP BY T2.role_code
Lista de funções que têm mais de um empregado.
CREATE TABLE ROLES (Id VARCHAR); CREATE TABLE Employees (Id VARCHAR)
SELECT Roles.role_description, COUNT(Employees.employee_id) FROM ROLES JOIN Employees ON Employees.role_code = Roles.role_code GROUP BY Employees.role_code HAVING COUNT(Employees.employee_id) > 1
Qual é a descrição do estado do documento com o id 1?
CREATE TABLE Documents (Id VARCHAR); CREATE TABLE Ref_Document_Status (Id VARCHAR)
SELECT Ref_Document_Status.document_status_description FROM Ref_Document_Status JOIN Documents ON Documents.document_status_code = Ref_Document_Status.document_status_code WHERE Documents.document_id = 1
Quantos documentos o código de estado já fez?
CREATE TABLE Documents (document_status_code VARCHAR)
SELECT COUNT(*) FROM Documents WHERE document_status_code = "done"
Indicar o código do tipo de documento para o documento com o id 2.
CREATE TABLE Documents (document_type_code VARCHAR, document_id VARCHAR)
SELECT document_type_code FROM Documents WHERE document_id = 2
Lista os IDs dos documentos com o código de estado e o tipo de código do papel.
CREATE TABLE Documents (document_id VARCHAR, document_status_code VARCHAR, document_type_code VARCHAR)
SELECT document_id FROM Documents WHERE document_status_code = "done" AND document_type_code = "Paper"
Qual é o nome do agente de expedição do documento com o número de identificação 2?
CREATE TABLE Documents (Id VARCHAR); CREATE TABLE Ref_Shipping_Agents (Id VARCHAR)
SELECT Ref_Shipping_Agents.shipping_agent_name FROM Ref_Shipping_Agents JOIN Documents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code WHERE Documents.document_id = 2
Quantos documentos foram enviados pela USPS?
CREATE TABLE Documents (Id VARCHAR); CREATE TABLE Ref_Shipping_Agents (Id VARCHAR)
SELECT COUNT(*) FROM Ref_Shipping_Agents JOIN Documents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code WHERE Ref_Shipping_Agents.shipping_agent_name = "USPS"
Qual o agente de expedição que enviou a maior parte dos documentos?
CREATE TABLE Documents (Id VARCHAR); CREATE TABLE Ref_Shipping_Agents (Id VARCHAR)
SELECT Ref_Shipping_Agents.shipping_agent_name, COUNT(Documents.document_id) FROM Ref_Shipping_Agents JOIN Documents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code GROUP BY Ref_Shipping_Agents.shipping_agent_code ORDER BY COUNT(Documents.document_id) DESC LIMIT 1
Qual é a data de receção do documento com o id 3?
CREATE TABLE Documents (receipt_date VARCHAR, document_id VARCHAR)
SELECT receipt_date FROM Documents WHERE document_id = 3
A que endereço foi enviado o documento com o ID 4?
CREATE TABLE Addresses (document_id VARCHAR); CREATE TABLE Documents_Mailed (document_id VARCHAR)
SELECT Addresses.address_details FROM Addresses JOIN Documents_Mailed ON Documents_Mailed.mailed_to_address_id = Addresses.address_id WHERE document_id = 4
Qual é a data de envio do documento com o número 7?
CREATE TABLE Documents_Mailed (mailing_date VARCHAR, document_id VARCHAR)
SELECT mailing_date FROM Documents_Mailed WHERE document_id = 7
Indicar os documentos com o status de "feito" e o tipo de "Papel", que não foram enviados pelo agente de expedição denominado USPS.
CREATE TABLE Ref_Shipping_Agents (document_id VARCHAR, document_status_code VARCHAR, document_type_code VARCHAR); CREATE TABLE Documents (document_id VARCHAR, document_status_code VARCHAR, document_type_code VARCHAR)
SELECT document_id FROM Documents WHERE document_status_code = "done" AND document_type_code = "Paper" EXCEPT SELECT document_id FROM Documents JOIN Ref_Shipping_Agents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code WHERE Ref_Shipping_Agents.shipping_agent_name = "USPS"
Lista documento id de status dos documentos é feito e o tipo de documento é papel e o documento é enviado por um agente de transporte chamado USPS.
CREATE TABLE Ref_Shipping_Agents (document_id VARCHAR, document_status_code VARCHAR, document_type_code VARCHAR); CREATE TABLE Documents (document_id VARCHAR, document_status_code VARCHAR, document_type_code VARCHAR)
SELECT document_id FROM Documents WHERE document_status_code = "done" AND document_type_code = "Paper" INTERSECT SELECT document_id FROM Documents JOIN Ref_Shipping_Agents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code WHERE Ref_Shipping_Agents.shipping_agent_name = "USPS"
Qual é o esboço do documento com o número 7?
CREATE TABLE Document_Drafts (draft_details VARCHAR, document_id VARCHAR)
SELECT draft_details FROM Document_Drafts WHERE document_id = 7
Quantas cópias do projecto do documento com o id 2 tem?
CREATE TABLE Draft_Copies (document_id VARCHAR)
SELECT COUNT(*) FROM Draft_Copies WHERE document_id = 2
Qual é o documento que tem o maior número de cópias do projecto?
CREATE TABLE Draft_Copies (document_id VARCHAR, copy_number VARCHAR)
SELECT document_id, COUNT(copy_number) FROM Draft_Copies GROUP BY document_id ORDER BY COUNT(copy_number) DESC LIMIT 1
Quais documentos têm mais de um projecto de cópia?
CREATE TABLE Draft_Copies (document_id VARCHAR)
SELECT document_id, COUNT(*) FROM Draft_Copies GROUP BY document_id HAVING COUNT(*) > 1
Escrever todos os empregados no histórico de circulação do documento com o id 1. Escrever o nome do empregado.
CREATE TABLE Circulation_History (Id VARCHAR); CREATE TABLE Employees (Id VARCHAR)
SELECT Employees.employee_name FROM Employees JOIN Circulation_History ON Circulation_History.employee_id = Employees.employee_id WHERE Circulation_History.document_id = 1
Escrever os funcionários que não apareceram em qualquer histórico de circulação de documentos.
CREATE TABLE Circulation_History (employee_name VARCHAR); CREATE TABLE Employees (employee_name VARCHAR)
SELECT employee_name FROM Employees EXCEPT SELECT Employees.employee_name FROM Employees JOIN Circulation_History ON Circulation_History.employee_id = Employees.employee_id
Qual empregado apareceu na maioria dos documentos de circulação, o nome do empregado e o número de rascunhos e cópias.
CREATE TABLE Circulation_History (Id VARCHAR); CREATE TABLE Employees (Id VARCHAR)
SELECT Employees.employee_name, COUNT(*) FROM Employees JOIN Circulation_History ON Circulation_History.employee_id = Employees.employee_id GROUP BY Circulation_History.document_id, Circulation_History.draft_number, Circulation_History.copy_number ORDER BY COUNT(*) DESC LIMIT 1
Para cada documento, indique o número de empregados que se apresentaram no histórico de circulação do documento.
CREATE TABLE Circulation_History (document_id VARCHAR, employee_id VARCHAR)
SELECT document_id, COUNT(DISTINCT employee_id) FROM Circulation_History GROUP BY document_id
Lista todos os nomes dos departamentos ordenados pela data de início.
CREATE TABLE department (dname VARCHAR, mgr_start_date VARCHAR)
SELECT dname FROM department ORDER BY mgr_start_date
Encontrar todos os nomes de dependentes que têm uma relação de cônjuge com algum empregado.
CREATE TABLE dependent (Dependent_name VARCHAR, relationship VARCHAR)
SELECT Dependent_name FROM dependent WHERE relationship = 'Spouse'
Quantas mulheres estão a cargo?
CREATE TABLE dependent (sex VARCHAR)
SELECT COUNT(*) FROM dependent WHERE sex = 'F'
Encontre os nomes dos departamentos que estão localizados em Houston.
CREATE TABLE dept_locations (dnumber VARCHAR, dlocation VARCHAR); CREATE TABLE department (dname VARCHAR, dnumber VARCHAR)
SELECT t1.dname FROM department AS t1 JOIN dept_locations AS t2 ON t1.dnumber = t2.dnumber WHERE t2.dlocation = 'Houston'
Retornar os nomes e apelidos dos empregados que ganham mais de 30000 em salário.
CREATE TABLE employee (fname VARCHAR, lname VARCHAR, salary INTEGER)
SELECT fname, lname FROM employee WHERE salary > 30000
Determine o número de empregados de cada sexo cujo salário seja inferior a 50000.
CREATE TABLE employee (sex VARCHAR, salary INTEGER)
SELECT COUNT(*), sex FROM employee WHERE salary < 50000 GROUP BY sex
A lista deve incluir o nome e o apelido e os endereços de todos os trabalhadores, na ordem ascendente da data de nascimento.
CREATE TABLE employee (fname VARCHAR, lname VARCHAR, address VARCHAR, Bdate VARCHAR)
SELECT fname, lname, address FROM employee ORDER BY Bdate
quais são os dados relativos aos serviços que têm o código de tipo "Matrimónio"?
CREATE TABLE EVENTS (event_details VARCHAR, Service_ID VARCHAR); CREATE TABLE Services (Service_ID VARCHAR, Service_Type_Code VARCHAR)
SELECT T1.event_details FROM EVENTS AS T1 JOIN Services AS T2 ON T1.Service_ID = T2.Service_ID WHERE T2.Service_Type_Code = 'Marriage'
Quais são os nomes e detalhes dos eventos que têm mais de um participante?
CREATE TABLE EVENTS (event_id VARCHAR, event_details VARCHAR, Event_ID VARCHAR); CREATE TABLE Participants_in_Events (Event_ID VARCHAR)
SELECT T1.event_id, T1.event_details FROM EVENTS AS T1 JOIN Participants_in_Events AS T2 ON T1.Event_ID = T2.Event_ID GROUP BY T1.Event_ID HAVING COUNT(*) > 1
Quantos eventos foram assistidos por cada participante?
CREATE TABLE Participants (Participant_ID VARCHAR, Participant_Type_Code VARCHAR); CREATE TABLE Participants_in_Events (Participant_ID VARCHAR)
SELECT T1.Participant_ID, T1.Participant_Type_Code, COUNT(*) FROM Participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID = T2.Participant_ID GROUP BY T1.Participant_ID
Qual é a identificação do participante, o código do tipo e os detalhes?
CREATE TABLE Participants (Participant_ID VARCHAR, Participant_Type_Code VARCHAR, Participant_Details VARCHAR)
SELECT Participant_ID, Participant_Type_Code, Participant_Details FROM Participants
Quantos participantes pertencem ao tipo "Organizador"?
CREATE TABLE participants (participant_type_code VARCHAR)
SELECT COUNT(*) FROM participants WHERE participant_type_code = 'Organizer'
Indicar o tipo de serviços em ordem alfabética.
CREATE TABLE services (service_type_code VARCHAR)
SELECT service_type_code FROM services ORDER BY service_type_code
Indique o número de serviço e os detalhes dos eventos.
CREATE TABLE EVENTS (service_id VARCHAR, event_details VARCHAR)
SELECT service_id, event_details FROM EVENTS
Quantos eventos tiveram participantes cujos detalhes tiveram a substring 'Dr.'
CREATE TABLE participants (Participant_ID VARCHAR, participant_details VARCHAR); CREATE TABLE Participants_in_Events (Participant_ID VARCHAR)
SELECT COUNT(*) FROM participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID = T2.Participant_ID WHERE T1.participant_details LIKE '%Dr.%'
Qual é o tipo de participante mais comum?
CREATE TABLE participants (participant_type_code VARCHAR)
SELECT participant_type_code FROM participants GROUP BY participant_type_code ORDER BY COUNT(*) DESC LIMIT 1
Qual a identificação e o tipo de serviço com o menor número de participantes?
CREATE TABLE Participants_in_Events (Participant_ID VARCHAR, Event_ID VARCHAR); CREATE TABLE services (Service_Type_Code VARCHAR, service_id VARCHAR); CREATE TABLE EVENTS (service_id VARCHAR, Event_ID VARCHAR); CREATE TABLE participants (Participant_ID VARCHAR)
SELECT T3.service_id, T4.Service_Type_Code FROM participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID = T2.Participant_ID JOIN EVENTS AS T3 ON T2.Event_ID = T3.Event_ID JOIN services AS T4 ON T3.service_id = T4.service_id GROUP BY T3.service_id ORDER BY COUNT(*) LIMIT 1