SELECT 구문
SELECT명령문은 데이터베이스에서 데이터를 선택하는 데 사용된다.
반환된 데이터는 결과 집합이라고 하는 결과 테이블에 저장된다.
표준 SQL 쿼리
SELECT column1, column2, ... FROM table_name;
column1, column2, …는 데이터를 선택하려는 테이블의 필드 이름이다.
표준 SQL 쿼리
SELECT * FROM table_name;
테이블에서 사용 가능한 모든 필드를 선택하는 방법이다.
CustomerID | CustomerName | ContactName | Address | City | PostalCode | Country |
---|---|---|---|---|---|---|
1 | Alfreds Futterkiste | Maria Anders | Obere Str. 57 | Berlin | 12209 | Germany |
2 | Ana Trujillo Emparedados y helados | Ana Trujillo | Avda. de la Constitución 2222 | México D.F. | 05021 | Mexico |
3 | Antonio Moreno Taquería | Antonio Moreno | Mataderos 2312 | México D.F. | 05023 | Mexico |
4 | Around the Horn | Thomas Hardy | 120 Hanover Sq. | London | WA1 1DP | UK |
5 | Berglunds snabbköp | Christina Berglund | Berguvsvägen 8 | Luleå | S-958 22 | Sweden |
선택한 열
표준 SQL 쿼리
SELECT CustomerName, City FROM Customers;
“Customers” 테이블에서 “CustomerName” 및 “City” 열을 선택한다.
기본 예시
CustomerName | City |
---|---|
Alfreds Futterkiste | Berlin |
Ana Trujillo Emparedados y helados | México D.F. |
Antonio Moreno Taquería | México D.F. |
Around the Horn | London |
Berglunds snabbköp | Luleå |
Blauer See Delikatessen | Mannheim |
Blondel père et fils | Strasbourg |
Bólido Comidas preparadas | Madrid |
Bon app’ | Marseille |
Bottom-Dollar Marketse | Tsawassen |
B’s Beverages | London |
Cactus Comidas para llevar | Buenos Aires |
Centro comercial Moctezuma | México D.F. |
Chop-suey Chinese | Bern |
Comércio Mineiro | São Paulo |
Consolidated Holdings | London |
Drachenblut Delikatessend | Aachen |
Du monde entier | Nantes |
Eastern Connection | London |
Ernst Handel | Graz |
Familia Arquibaldo | São Paulo |
FISSA Fabrica Inter. Salchichas S.A. | Madrid |
Folies gourmandes | Lille |
Folk och fä HB | Bräcke |
Frankenversand | München |
France restauration | Nantes |
Franchi S.p.A. | Torino |
Furia Bacalhau e Frutos do Mar | Lisboa |
Galería del gastrónomo | Barcelona |
Godos Cocina Típica | Sevilla |
Gourmet Lanchonetes | Campinas |
Great Lakes Food Market | Eugene |
GROSELLA-Restaurante | Caracas |
Hanari Carnes | Rio de Janeiro |
HILARIÓN-Abastos | San Cristóbal |
Hungry Coyote Import Store | Elgin |
Hungry Owl All-Night Grocers | Cork |
Island Trading | Cowes |
Königlich Essen | Brandenburg |
La corne d’abondance | Versailles |
La maison d’Asie | Toulouse |
Laughing Bacchus Wine Cellars | Vancouver |
Lazy K Kountry Store | Walla Walla |
Lehmanns Marktstand | Frankfurt a.M. |
Let’s Stop N Shop | San Francisco |
LILA-Supermercado | Barquisimeto |
LINO-Delicateses | I. de Margarita |
Lonesome Pine Restaurant | Portland |
Magazzini Alimentari Riuniti | Bergamo |
Maison Dewey | Bruxelles |
Mère Paillarde | Montréal |
Morgenstern Gesundkost | Leipzig |
North/South | London |
Océano Atlántico Ltda. | Buenos Aires |
Old World Delicatessen | Anchorage |
Ottilies Käseladen | Köln |
Paris spécialités | Paris |
Pericles Comidas clásicas | México D.F. |
Piccolo und mehr | Salzburg |
Princesa Isabel Vinhoss | Lisboa |
Que Delícia | Rio de Janeiro |
Queen Cozinha | São Paulo |
QUICK-Stop | Cunewalde |
Rancho grande | Buenos Aires |
Rattlesnake Canyon Grocery | Albuquerque |
Reggiani Caseifici | Reggio Emilia |
Ricardo Adocicados | Rio de Janeiro |
Richter Supermarkt | Genève |
Romero y tomillo | Madrid |
Santé Gourmet | Stavern |
Save-a-lot Markets | Boise |
Seven Seas Imports | London |
Simons bistro | København |
Spécialités du monde | Paris |
Split Rail Beer & Ale | Lander |
Suprêmes délices | Charleroi |
The Big Cheese | Portland |
The Cracker Box | Butte |
Toms Spezialitäten | Münster |
Tortuga Restaurante | México D.F. |
Tradição Hipermercados | São Paulo |
Trail’s Head Gourmet Provisioners | Kirkland |
Vaffeljernet | Århus |
Victuailles en stock | Lyon |
Vins et alcools Chevalier | Reims |
Die Wandernde Kuh | Stuttgart |
Wartian Herkku | Oulu |
Wellington Importadora | Resende |
White Clover Markets | Seattle |
Wilman Kala | Helsinki |
Wolski | Walla |
모든 열
표준 SQL 쿼리
SELECT * FROM Customers;
“Customers” 테이블에서 모든 열을 선택한다.
기본 예시
CustomerID | CustomerName | ContactName | Address | City | PostalCode | Country |
---|---|---|---|---|---|---|
1 | Alfreds Futterkiste | Maria Anders | Obere Str. 57 | Berlin | 12209 | Germany |
2 | Ana Trujillo Emparedados y helados | Ana Trujillo | Avda. de la Constitución 2222 | México D.F. | 05021 | Mexico |
3 | Antonio Moreno Taquería | Antonio Moreno | Mataderos 2312 | México D.F. | 05023 | Mexico |
4 | Around the Horn | Thomas Hardy | 120 Hanover Sq. | London | WA1 1DP | UK |
5 | Berglunds snabbköp | Christina Berglund | Berguvsvägen 8 | Luleå | S-958 22 | Sweden |
6 | Blauer See Delikatessen | Hanna Moos | Forsterstr. 57 | Mannheim | 68306 | Germany |
7 | Blondel père et fils | Frédérique Citeaux | 24, place Kléber | Strasbourg | 67000 | France |
8 | Bólido Comidas preparadas | Martín Sommer | C/ Araquil, 67 | Madrid | 28023 | Spain |
9 | Bon app’ | Laurence Lebihans | 12, rue des Bouchers | Marseille | 13008 | France |
10 | Bottom-Dollar Marketse | Elizabeth Lincoln | 23 Tsawassen Blvd. | Tsawassen | T2F 8M4 | Canada |
11 | B’s Beverages | Victoria Ashworth | Fauntleroy Circus | London | EC2 5NT | UK |
12 | Cactus Comidas para llevar | Patricio Simpson | Cerrito 333 | Buenos Aires | 1010 | Argentina |
13 | Centro comercial Moctezuma | Francisco Chang | Sierras de Granada 9993 | México D.F. | 05022 | Mexico |
14 | Chop-suey Chinese | Yang Wang | Hauptstr. 29 | Bern | 3012 | Switzerland |
15 | Comércio Mineiro | Pedro Afonso | Av. dos Lusíadas, 23 | São Paulo | 05432-043 | Brazil |
16 | Consolidated Holdings | Elizabeth Brown | Berkeley Gardens 12 Brewery | London | WX1 6LT | UK |
17 | Drachenblut Delikatessend | Sven Ottlieb | Walserweg 21 | Aachen | 52066 | Germany |
18 | Du monde entier | Janine Labrune | 67, rue des Cinquante Otages | Nantes | 44000 | France |
19 | Eastern Connection | Ann Devon | 35 King George | London | WX3 6FW | UK |
20 | Ernst Handel | Roland Mendel | Kirchgasse 6 | Graz | 8010 | Austria |
21 | Familia Arquibaldo | Aria Cruz | Rua Orós, 92 | São Paulo | 05442-030 | Brazil |
22 | FISSA Fabrica Inter. Salchichas S.A. | Diego Roel | C/ Moralzarzal, 86 | Madrid | 28034 | Spain |
23 | Folies gourmandes | Martine Rancé | 184, chaussée de Tournai | Lille | 59000 | France |
24 | Folk och fä HB | Maria Larsson | Åkergatan 24 | Bräcke | S-844 67 | Sweden |
25 | Frankenversand | Peter Franken | Berliner Platz 43 | München | 80805 | Germany |
26 | France restauration | Carine Schmitt | 54, rue Royale | Nantes | 44000 | France |
27 | Franchi S.p.A. | Paolo Accorti | Via Monte Bianco 34 | Torino | 10100 | Italy |
28 | Furia Bacalhau e Frutos do Mar | Lino Rodriguez | Jardim das rosas n. 32 | Lisboa | 1675 | Portugal |
29 | Galería del gastrónomo | Eduardo Saavedra | Rambla de Cataluña, 23 | Barcelona | 08022 | Spain |
30 | Godos Cocina Típica | José Pedro Freyre | C/ Romero, 33 | Sevilla | 41101 | Spain |
31 | Gourmet Lanchonetes | André Fonseca | Av. Brasil, 442 | Campinas | 04876-786 | Brazil |
32 | Great Lakes Food Market | Howard Snyder | 2732 Baker Blvd. | Eugene | 97403 | USA |
33 | GROSELLA-Restaurante | Manuel Pereira | 5ª Ave. Los Palos Grandes | Caracas | 1081 | Venezuela |
34 | Hanari Carnes | Mario Pontes | Rua do Paço, 67 | Rio de Janeiro | 05454-876 | Brazil |
35 | HILARIÓN-Abastos | Carlos Hernández | Carrera 22 con Ave. Carlos Soublette #8-35 | San Cristóbal | 5022 | Venezuela |
36 | Hungry Coyote Import Store | Yoshi Latimer | City Center Plaza 516 Main St. | Elgin | 97827 | USA |
37 | Hungry Owl All-Night Grocers | Patricia McKenna | 8 Johnstown Road | Cork | Ireland | |
38 | Island Trading | Helen Bennett | Garden House Crowther Way | Cowes | PO31 7PJ | UK |
39 | Königlich Essen | Philip Cramer | Maubelstr. 90 | Brandenburg | 14776 | Germany |
40 | La corne d’abondance | Daniel Tonini | 67, avenue de l’Europe | Versailles | 78000 | France |
41 | La maison d’Asie | Annette Roulet | 1 rue Alsace-Lorraine | Toulouse | 31000 | France |
42 | Laughing Bacchus Wine Cellars | Yoshi Tannamuri | 1900 Oak St. | Vancouver | V3F 2K1 | Canada |
43 | Lazy K Kountry Store | John Steel | 12 Orchestra Terrace | Walla Walla | 99362 | USA |
44 | Lehmanns Marktstand | Renate Messner | Magazinweg 7 | Frankfurt a.M. | 60528 | Germany |
45 | Let’s Stop N Shop | Jaime Yorres | 87 Polk St. Suite 5 | San Francisco | 94117 | USA |
46 | LILA-Supermercado | Carlos González | Carrera 52 con Ave. Bolívar #65-98 Llano Largo | Barquisimeto | 3508 | Venezuela |
47 | LINO-Delicateses | Felipe Izquierdo | Ave. 5 de Mayo Porlamar | I. de Margarita | 4980 | Venezuela |
48 | Lonesome Pine Restaurant | Fran Wilson | 89 Chiaroscuro Rd. | Portland | 97219 | USA |
49 | Magazzini Alimentari Riuniti | Giovanni Rovelli | Via Ludovico il Moro 22 | Bergamo | 24100 | Italy |
50 | Maison Dewey | Catherine Dewey | Rue Joseph-Bens 532 | Bruxelles | B-1180 | Belgium |
51 | Mère Paillarde | Jean Fresnière | 43 rue St. Laurent | Montréal | H1J 1C3 | Canada |
52 | Morgenstern Gesundkost | Alexander Feuer | Heerstr. 22 | Leipzig | 04179 | Germany |
53 | North/South | Simon Crowther | South House 300 Queensbridge | London | SW7 1RZ | UK |
54 | Océano Atlántico Ltda. | Yvonne Moncada | Ing. Gustavo Moncada 8585 Piso 20-A | Buenos Aires | 1010 | Argentina |
55 | Old World Delicatessen | Rene Phillips | 2743 Bering St. | Anchorage | 99508 | USA |
56 | Ottilies Käseladen | Henriette Pfalzheim | Mehrheimerstr. 369 | Köln | 50739 | Germany |
57 | Paris spécialités | Marie Bertrand | 265, boulevard Charonne | Paris | 75012 | France |
58 | Pericles Comidas clásicas | Guillermo Fernández | Calle Dr. Jorge Cash 321 | México D.F. | 05033 | Mexico |
59 | Piccolo und mehr | Georg Pipps | Geislweg 14 | Salzburg | 5020 | Austria |
60 | Princesa Isabel Vinhoss | Isabel de Castro | Estrada da saúde n. 58 | Lisboa | 1756 | Portugal |
61 | Que Delícia | Bernardo Batista | Rua da Panificadora, 12 | Rio de Janeiro | 02389-673 | Brazil |
62 | Queen Cozinha | Lúcia Carvalho | Alameda dos Canàrios, 891 | São Paulo | 05487-020 | Brazil |
63 | QUICK-Stop | Horst Kloss | Taucherstraße 10 | Cunewalde | 01307 | Germany |
64 | Rancho grande | Sergio Gutiérrez | Av. del Libertador 900 | Buenos Aires | 1010 | Argentina |
65 | Rattlesnake Canyon Grocery | Paula Wilson | 2817 Milton Dr. | Albuquerque | 87110 | USA |
66 | Reggiani Caseifici | Maurizio Moroni | Strada Provinciale 124 | Reggio Emilia | 42100 | Italy |
67 | Ricardo Adocicados | Janete Limeira | Av. Copacabana, 267 | Rio de Janeiro | 02389-890 | Brazil |
68 | Richter Supermarkt | Michael Holz | Grenzacherweg 237 | Genève | 1203 | Switzerland |
69 | Romero y tomillo | Alejandra Camino | Gran Vía, 1 | Madrid | 28001 | Spain |
70 | Santé Gourmet | Jonas Bergulfsen | Erling Skakkes gate 78 | Stavern | 4110 | Norway |
71 | Save-a-lot Markets | Jose Pavarotti | 187 Suffolk Ln. | Boise | 83720 | USA |
72 | Seven Seas Imports | Hari Kumar | 90 Wadhurst Rd. | London | OX15 4NB | UK |
73 | Simons bistro | Jytte Petersen | Vinbæltet 34 | København | 1734 | Denmark |
74 | Spécialités du monde | Dominique Perrier | 25, rue Lauriston | Paris | 75016 | France |
75 | Split Rail Beer & Ale | Art Braunschweiger | P.O. Box 555 | Lander | 82520 | USA |
76 | Suprêmes délices | Pascale Cartrain | Boulevard Tirou, 255 | Charleroi | B-6000 | Belgium |
77 | The Big Cheese | Liz Nixon | 89 Jefferson Way Suite 2 | Portland | 97201 | USA |
78 | The Cracker Box | Liu Wong | 55 Grizzly Peak Rd. | Butte | 59801 | USA |
79 | Toms Spezialitäten | Karin Josephs | Luisenstr. 48 | Münster | 44087 | Germany |
80 | Tortuga Restaurante | Miguel Angel Paolino | Avda. Azteca 123 | México D.F. | 05033 | Mexico |
81 | Tradição Hipermercados | Anabela Domingues | Av. Inês de Castro, 414 | São Paulo | 05634-030 | Brazil |
82 | Trail’s Head Gourmet Provisioners | Helvetius Nagy | 722 DaVinci Blvd. | Kirkland | 98034 | USA |
83 | Vaffeljernet | Palle Ibsen | Smagsløget 45 | Århus | 8200 | Denmark |
84 | Victuailles en stock | Mary Saveley | 2, rue du Commerce | Lyon | 69004 | France |
85 | Vins et alcools Chevalier | Paul Henriot | 59 rue de l’Abbaye | Reims | 51100 | France |
86 | Die Wandernde Kuh | Rita Müller | Adenauerallee 900 | Stuttgart | 70563 | Germany |
87 | Wartian Herkku | Pirkko Koskitalo | Torikatu 38 | Oulu | 90110 | Finland |
88 | Wellington Importadora | Paula Parente | Rua do Mercado, 12 | Resende | 08737-363 | Brazil |
89 | White Clover Markets | Karl Jablonski | 305 – 14th Ave. S. Suite 3B | Seattle | 98128 | USA |
90 | Wilman Kala | Matti Karttunen | Keskuskatu 45 | Helsinki | 21240 | Finland |
91 | Wolski | Zbyszek | ul. Filtrowa 68 | Walla | 01-012 | Poland |
참고
W3C School - SQL SELECT Statement
W3C School - SQL Tutorial