質問編集履歴
4
INSERT文(10行のみ抜粋)を追加しました。
test
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PostgreSQL "似ている"ユーザーを探したい
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PostgreSQL Yelpで"似ている"ユーザーを探したい
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テーブルは全部で4つで
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テーブルは全部で4つです。
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```
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```
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それぞれのテーブルの
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それぞれのテーブルのCREATE文は以下の通りです。
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- businessテーブル
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CREATE UNIQUE INDEX business_pkey ON business(business_id text_ops);
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-- Table Definition ----------------------------------------------
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CREATE TABLE review (
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review_id character varying(30) PRIMARY KEY,
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business_id character varying(30),
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user_id character varying(30),
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stars smallint,
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review_date date,
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review_text text,
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useful_votes integer,
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funny_votes integer,
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cool_votes integer
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);
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-- Indices -------------------------------------------------------
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CREATE UNIQUE INDEX review_pkey ON review(review_id text_ops);
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CREATE INDEX review_bus_id ON review(business_id text_ops);
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CREATE INDEX review_user_id ON review(user_id text_ops);
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-- Table Definition ----------------------------------------------
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CREATE TABLE tip (
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tip_text text,
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tip_date date,
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likes integer,
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business_id character varying(30),
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user_id character varying(30)
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);
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-- Indices -------------------------------------------------------
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CREATE INDEX tip_bus_id ON tip(business_id text_ops);
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CREATE INDEX tip_user_id ON tip(user_id text_ops);
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-- Table Definition ----------------------------------------------
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CREATE TABLE users (
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user_id character varying(30) PRIMARY KEY,
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name character varying(150),
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yelping_since date,
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useful_votes integer,
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funny_votes integer,
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cool_votes integer
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);
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-- Indices -------------------------------------------------------
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CREATE UNIQUE INDEX users_pkey ON users(user_id text_ops);
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```
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INSERT文の内、10行を抜粋したものは以下になります。
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- reviewテーブル
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```PostgreSQL
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insert into business
|
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values
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|
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('-000aQFeK6tqVLndf7xORg', 'CoolCatAutoRepair', '', '6348N27thAve', 'Phoenix', 'AZ', '85017', '33.531105', '-112.11761', 'TRUE'),
|
214
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+
|
215
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('0010xnFOCyJZeMAuTtiv5w', 'HennaShoppe', '', '7235E1stAve', 'Scottsdale', 'AZ', '85251', '33.49402', '-111.92512', 'TRUE'),
|
216
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+
|
217
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('001jVKJHdhU2z_m9xTgOrg', 'AgaveChiropractic', '', '3040N44thSt,Ste3', 'Phoenix', 'AZ', '85018', '33.483635', '-111.98701', 'TRUE'),
|
218
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+
|
219
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('002Gv4JE2bAfXkGJVM1IQw', 'AirgunsofArizona', '', '1970WElliotRd,Ste109', 'Gilbert', 'AZ', '85233', '33.35031', '-111.83239', 'TRUE'),
|
220
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+
|
221
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('002ISUJGzG_5ejVrIqsPFA', 'SalonAtmosphere', 'Dormont', '3000WLibertyAve', 'Pittsburgh', 'PA', '15216', '40.393173', '-80.03695', 'TRUE'),
|
222
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+
|
223
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('003b6f4PdppnakGqwo0fUQ', 'SolaSalon', 'Southwest', '7355SBuffalo,SteD', 'LasVegas', 'NV', '89113', '36.05418', '-115.262375', 'TRUE'),
|
224
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+
|
225
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('003QzJjq0FYALjyFxKT2tA', 'HarbourBar', '', '1-3Sandside', 'Scarborough', 'NYK', 'YO111PE', '54.283997', '-0.39249977', 'TRUE'),
|
226
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+
|
227
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('003wb6vvUFyNgDfD-2dPcw', 'AlterReality', '', '15601DetroitAve', 'Lakewood', 'OH', '44107', '41.48493', '-81.806206', 'TRUE'),
|
228
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+
|
229
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+
('0044Q4cVBcHBgXPmhGgtcQ', 'TheKingsLanding', '', '5946MainStreet', 'Whitchurch-Stouffville', 'ON', 'L4A3A1', '43.969337', '-79.256386', 'TRUE'),
|
230
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+
|
231
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('005XmZKuJZuNbl5tGXc5SA', 'TonyRomas', 'Downtown', '620ESaharaAve', 'LasVegas', 'NV', '89104', '36.14431', '-115.14569', 'FALSE');
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|
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insert into review
|
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values
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('0005v4K5iZM3QAfImf_Ugw', 'hH74Tvfd-nzqT6jKDerMTw', 'S63nehkM27Zr77YxN2bA0Q', '1', '2016-08-11', 'ImsoupsetIwontevenreturnwithmyteenageboys.', '0', '0', '0'),
|
240
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+
|
241
|
+
('0006hhVjawuXu097INsiIw', '9CyNha8NE-7HEgjvUZFmnQ', 'TNLPYG78zJjjZPYTyeOZyA', '4', '2010-12-11', 'Youwillhaveagreattime!', '4', '0', '2'),
|
242
|
+
|
243
|
+
('0008P7Cb7U-dpPchjamFWw', '-od707p4FHGul0gte29AoQ', 'XtJbDZODXi3mXHLoScGtwg', '5', '2015-09-11', 'ThepancakeistheyummiestIveeverhadandImdefinitelygoingback.', '2', '1', '1'),
|
244
|
+
|
245
|
+
('0008uFuu1Sr5yqXeDN8RFw', 'Jb_QTIjDm5zbfrdk11R4fg', 'NaZVUOzqk5b-l0mlki-9Og', '5', '2016-09-10', 'Hadleftoverforthenextdayanditwasevengoodcold.', '2', '0', '1'),
|
246
|
+
|
247
|
+
('0008zUEB-cuVAR4JZhXwlg', '5MPAZiYotUqgxkbXYY0c_Q', '1_qcKXfm8H8zecygxHjeWw', '2', '2014-02-20', 'Theyhadtherightidea!', '7', '2', '1'),
|
248
|
+
|
249
|
+
('000AYfflyggMLAtTR6zdaA', 'taTF-fXetRbziIl80xPFjw', 'J-yULQA56PXaphJNA1RKGQ', '1', '2010-03-09', 'Einmalundniemehr...', '0', '0', '0'),
|
250
|
+
|
251
|
+
('000BqmhDAkCYVa_MfJntpg', '-PfcLYFMW9ZXc1DEWSqw-g', 'gTlDDzDEHyDQ6iwjNhpI6A', '5', '2013-01-12', 'Andtheyofferedanaccommodationforourdisabledsonwithoutouraskingforit,whichwasverykind.Wellbebackagainsoon.', '1', '0', '0'),
|
252
|
+
|
253
|
+
('000dJwYh7sr5xnsTFNlP5g', '7fzppFRWw-GyPVKqNlC5Eg', 'O7ZvoH_ONGNKbXvHDSZlwg', '1', '2017-10-09', 'Yapaquelesigonoregreso.,', '1', '0', '0'),
|
254
|
+
|
255
|
+
('000DSSWY_UiSSdm2V4yJUQ', 'o9XzWtzTuV2X9fyYevXmkw', 'CESgogUugOYph4p12qvzFg', '4', '2016-07-01', 'Thewashroomwastinybutsqueakyclean.', '3', '1', '3'),
|
256
|
+
|
257
|
+
('0-00GgzKPd9ik-X_6r4lBg', 'Oy_5I50HRZ1vXA5bnTPjHg', 'RxFxenmxZ_NUvSdkwPcY4Q', '5', '2013-11-21', 'Awesomeplace!', '3', '1', '1');
|
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+
|
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+
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|
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insert into tip
|
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+
|
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values
|
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+
|
265
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+
('Greatbreakfastlargeportionsandfriendlywaitress.Ihighlyrecommendit', '2015-08-12', '0', 'jH19V2I9fIslnNhDzPmdkA', 'ZcLKXikTHYOnYt5VYRO5sg'),
|
266
|
+
|
267
|
+
('Niceplace.Greatstaff.Afixtureinthetownshipforever', '2014-06-20', '0', 'dAa0hB2yrnHzVmsCkN4YvQ', 'oaYhjqBbh18ZhU0bpyzSuw'),
|
268
|
+
|
269
|
+
('Happyhour5-7Monday-Friday', '2016-10-12', '0', 'dAa0hB2yrnHzVmsCkN4YvQ', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
270
|
+
|
271
|
+
('Parkingisapremium,keepcircling,youwilleventuallyfindagreatspot', '2017-01-28', '0', 'ESzO3Av0b1_TzKOiqzbQYQ', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
272
|
+
|
273
|
+
('Homemadepastaisthebestinthearea', '2017-02-25', '0', 'k7WRPbDd7rztjHcGGkEjlw', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
274
|
+
|
275
|
+
('Excellentservice,staffisdressedprofessionally,polite,mannered,andwelltrained', '2017-04-08', '0', 'k7WRPbDd7rztjHcGGkEjlw', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
276
|
+
|
277
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+
('ComeearlyonSundaystoavoidtherush', '2016-07-03', '0', 'SqW3igh1_Png336VIb5DUA', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
278
|
+
|
279
|
+
('Lovetheirsoup!', '2016-01-07', '0', 'KNpcPGqDORDdvtekXd348w', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
280
|
+
|
281
|
+
('Soupsarefantastic!', '2016-05-22', '0', 'KNpcPGqDORDdvtekXd348w', 'ulQ8Nyj7jCUR8M83SUMoRQ'),
|
282
|
+
|
283
|
+
('Thursdaynightis$5burgernight', '2016-06-09', '0', 'KNpcPGqDORDdvtekXd348w', 'ulQ8Nyj7jCUR8M83SUMoRQ');
|
284
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+
|
285
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+
|
286
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+
|
287
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insert into users
|
288
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|
289
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values
|
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|
291
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('000AJVuwnwpGL8hHQUVLYg', 'Randy', '2013-04-21', '1', '0', '0'),
|
292
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+
|
293
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+
('000JFML-9-W2-TGBTS0oaA', 'Deshone', '2014-07-01', '0', '0', '0'),
|
294
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+
|
295
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+
('000JgS1HGrjvIxCn-BrpSw', 'Teresa', '2014-09-28', '0', '0', '0'),
|
296
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+
|
297
|
+
('000M3Xl73OIPztL97c3FSg', 'Todd', '2012-02-10', '0', '1', '0'),
|
298
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+
|
299
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+
('000tGHVWdNNkjLk_jWJX5w', 'Megan', '2014-09-01', '0', '0', '0'),
|
300
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+
|
301
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+
('000TZpy1bjaDzwMIaZxmlw', 'Jen', '2015-02-01', '0', '0', '0'),
|
302
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+
|
303
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('-0012EkX22eeb2AiW_RkcQ', 'Jake', '2013-11-17', '0', '0', '0'),
|
304
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+
|
305
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+
('0012OgDoCUa0o2icjVgwmg', 'Andrew', '2010-04-25', '30', '15', '27'),
|
306
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+
|
307
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+
('0017YLRTmdhG5m8qggAlPw', 'Edward', '2008-03-14', '1', '0', '0'),
|
308
|
+
|
309
|
+
('0019WdoIywMw3imBqtSZgg', 'Caitlin', '2015-07-27', '0', '0', '0');
|
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```
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![review_table](64026089ae4ce2f04c693a51de65959c.png)
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- tipテーブル
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```PosrgreSQL
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-- Table Definition ----------------------------------------------
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CREATE TABLE tip (
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tip_text text,
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tip_date date,
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likes integer,
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business_id character varying(30),
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user_id character varying(30)
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);
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-- Indices -------------------------------------------------------
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CREATE INDEX tip_bus_id ON tip(business_id text_ops);
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CREATE INDEX tip_user_id ON tip(user_id text_ops);
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-
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```
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![tip_table](a96b019c6eac11e82bec924a3a840aa4.png)
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- usersテーブル
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```PostgreSQL
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-- Table Definition ----------------------------------------------
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-
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-
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CREATE TABLE users (
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user_id character varying(30) PRIMARY KEY,
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-
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name character varying(150),
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-
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yelping_since date,
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useful_votes integer,
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funny_votes integer,
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cool_votes integer
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);
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-- Indices -------------------------------------------------------
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CREATE UNIQUE INDEX users_pkey ON users(user_id text_ops);
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-
```
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![users_table](d0c9045f905b9089157f9016b0c827e5.png)
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#### 条件
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3
条件の説明に例を追加しました。
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Yelpとは、アメリカ版の食べログ+ホットペッパービューティーみたいなアプリです。いろんな分野の口コミレビューアプリになります。
|
10
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+
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-
Yelpのデータセットを多少加工したデータセットを使っております。(以下のURLは加工前のデータセットです。)
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+
今回はそのYelpのデータセットを多少加工したデータセットを使っております。(以下のURLは加工前のデータセットです。)
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[Yelp Dataset](https://www.yelp.com/dataset/documentation/main)
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@@ -252,6 +254,24 @@
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例えば、Aさん(user_id=a)とBさん(user_id=b)がいて、reviewテーブルに、
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(user_id=a, business_id=1234)
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(user_id=b, business_id=1234)
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というタプルがあれば、一つ"似ている"ということになります。さらに、tipテーブルに、
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(user_id=a, business_id=XXX)
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(user_id=b, business_id=XXX)
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もあるとすると、2つ"似ている"ということになります。
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この"似ている"数が、最も多いユーザーのペアを一つ探したいです。要するに、Yelpで同じ場所を訪れる傾向のあるユーザーを見つけたいです。
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### 試したこと
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2
テーブルの定義の確認をCREATE文にし、中身をスクショで載せました。
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|
test
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@@ -6,13 +6,13 @@
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7
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8
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9
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-
Yelpのデータセットを多少
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9
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+
Yelpのデータセットを多少加工したデータセットを使っております。(以下のURLは加工前のデータセットです。)
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10
10
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11
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[Yelp Dataset](https://www.yelp.com/dataset/documentation/main)
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テーブルは全部で4つで、
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テーブルは全部で4つで、
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|
```
|
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@@ -38,141 +38,207 @@
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それぞれのテーブルの中身は以下の通りです。
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--------------
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n
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nei
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lo
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96
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97
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-
review
|
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|
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-
|
100
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102
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103
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f
|
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108
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109
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111
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112
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113
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|
114
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115
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|
116
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119
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133
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|
134
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|
135
|
-
|
136
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-
|
137
|
-
us
|
138
|
-
|
139
|
-
I
|
140
|
-
|
141
|
-
|
142
|
-
|
143
|
-
|
144
|
-
|
145
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|
146
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|
147
|
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|
148
|
-
|
149
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|
150
|
-
|
151
|
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|
152
|
-
|
153
|
-
|
154
|
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|
155
|
-
|
156
|
-
|
157
|
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|
158
|
-
|
159
|
-
|
160
|
-
|
161
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|
162
|
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|
163
|
-
|
164
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165
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166
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167
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|
168
|
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|
169
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|
170
|
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|
171
|
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|
172
|
-
|
173
|
-
|
174
|
-
|
175
|
-
|
41
|
+
|
42
|
+
|
43
|
+
- businessテーブル
|
44
|
+
|
45
|
+
|
46
|
+
|
47
|
+
```PostgreSQL
|
48
|
+
|
49
|
+
-- Table Definition ----------------------------------------------
|
50
|
+
|
51
|
+
|
52
|
+
|
53
|
+
CREATE TABLE business (
|
54
|
+
|
55
|
+
business_id character varying(30) PRIMARY KEY,
|
56
|
+
|
57
|
+
name character varying(150) NOT NULL,
|
58
|
+
|
59
|
+
neighborhood character varying(100),
|
60
|
+
|
61
|
+
address character varying(200),
|
62
|
+
|
63
|
+
city character varying(100),
|
64
|
+
|
65
|
+
state character(3),
|
66
|
+
|
67
|
+
postal_code character(10),
|
68
|
+
|
69
|
+
latitude real,
|
70
|
+
|
71
|
+
longitude real,
|
72
|
+
|
73
|
+
is_open boolean
|
74
|
+
|
75
|
+
);
|
76
|
+
|
77
|
+
|
78
|
+
|
79
|
+
-- Indices -------------------------------------------------------
|
80
|
+
|
81
|
+
|
82
|
+
|
83
|
+
CREATE UNIQUE INDEX business_pkey ON business(business_id text_ops);
|
84
|
+
|
85
|
+
```
|
86
|
+
|
87
|
+
|
88
|
+
|
89
|
+
![business_table](8edf7270c95fd5e8ad96f53bab61ae71.png)
|
90
|
+
|
91
|
+
|
92
|
+
|
93
|
+
|
94
|
+
|
95
|
+
|
96
|
+
|
97
|
+
- reviewテーブル
|
98
|
+
|
99
|
+
|
100
|
+
|
101
|
+
```PostgreSQL
|
102
|
+
|
103
|
+
-- Table Definition ----------------------------------------------
|
104
|
+
|
105
|
+
|
106
|
+
|
107
|
+
CREATE TABLE review (
|
108
|
+
|
109
|
+
review_id character varying(30) PRIMARY KEY,
|
110
|
+
|
111
|
+
business_id character varying(30),
|
112
|
+
|
113
|
+
user_id character varying(30),
|
114
|
+
|
115
|
+
stars smallint,
|
116
|
+
|
117
|
+
review_date date,
|
118
|
+
|
119
|
+
review_text text,
|
120
|
+
|
121
|
+
useful_votes integer,
|
122
|
+
|
123
|
+
funny_votes integer,
|
124
|
+
|
125
|
+
cool_votes integer
|
126
|
+
|
127
|
+
);
|
128
|
+
|
129
|
+
|
130
|
+
|
131
|
+
-- Indices -------------------------------------------------------
|
132
|
+
|
133
|
+
|
134
|
+
|
135
|
+
CREATE UNIQUE INDEX review_pkey ON review(review_id text_ops);
|
136
|
+
|
137
|
+
CREATE INDEX review_bus_id ON review(business_id text_ops);
|
138
|
+
|
139
|
+
CREATE INDEX review_user_id ON review(user_id text_ops);
|
140
|
+
|
141
|
+
```
|
142
|
+
|
143
|
+
|
144
|
+
|
145
|
+
![review_table](64026089ae4ce2f04c693a51de65959c.png)
|
146
|
+
|
147
|
+
|
148
|
+
|
149
|
+
|
150
|
+
|
151
|
+
|
152
|
+
|
153
|
+
- tipテーブル
|
154
|
+
|
155
|
+
|
156
|
+
|
157
|
+
```PosrgreSQL
|
158
|
+
|
159
|
+
-- Table Definition ----------------------------------------------
|
160
|
+
|
161
|
+
|
162
|
+
|
163
|
+
CREATE TABLE tip (
|
164
|
+
|
165
|
+
tip_text text,
|
166
|
+
|
167
|
+
tip_date date,
|
168
|
+
|
169
|
+
likes integer,
|
170
|
+
|
171
|
+
business_id character varying(30),
|
172
|
+
|
173
|
+
user_id character varying(30)
|
174
|
+
|
175
|
+
);
|
176
|
+
|
177
|
+
|
178
|
+
|
179
|
+
-- Indices -------------------------------------------------------
|
180
|
+
|
181
|
+
|
182
|
+
|
183
|
+
CREATE INDEX tip_bus_id ON tip(business_id text_ops);
|
184
|
+
|
185
|
+
CREATE INDEX tip_user_id ON tip(user_id text_ops);
|
186
|
+
|
187
|
+
```
|
188
|
+
|
189
|
+
|
190
|
+
|
191
|
+
![tip_table](a96b019c6eac11e82bec924a3a840aa4.png)
|
192
|
+
|
193
|
+
|
194
|
+
|
195
|
+
|
196
|
+
|
197
|
+
|
198
|
+
|
199
|
+
- usersテーブル
|
200
|
+
|
201
|
+
|
202
|
+
|
203
|
+
```PostgreSQL
|
204
|
+
|
205
|
+
-- Table Definition ----------------------------------------------
|
206
|
+
|
207
|
+
|
208
|
+
|
209
|
+
CREATE TABLE users (
|
210
|
+
|
211
|
+
user_id character varying(30) PRIMARY KEY,
|
212
|
+
|
213
|
+
name character varying(150),
|
214
|
+
|
215
|
+
yelping_since date,
|
216
|
+
|
217
|
+
useful_votes integer,
|
218
|
+
|
219
|
+
funny_votes integer,
|
220
|
+
|
221
|
+
cool_votes integer
|
222
|
+
|
223
|
+
);
|
224
|
+
|
225
|
+
|
226
|
+
|
227
|
+
-- Indices -------------------------------------------------------
|
228
|
+
|
229
|
+
|
230
|
+
|
231
|
+
CREATE UNIQUE INDEX users_pkey ON users(user_id text_ops);
|
232
|
+
|
233
|
+
```
|
234
|
+
|
235
|
+
|
236
|
+
|
237
|
+
![users_table](d0c9045f905b9089157f9016b0c827e5.png)
|
238
|
+
|
239
|
+
|
240
|
+
|
241
|
+
|
176
242
|
|
177
243
|
|
178
244
|
|
1
リンクを修正しました。
test
CHANGED
File without changes
|
test
CHANGED
@@ -8,7 +8,7 @@
|
|
8
8
|
|
9
9
|
Yelpのデータセットを多少修正したデータセットを使っております。(以下のURLは加工前のデータセットです。)
|
10
10
|
|
11
|
-
https://www.yelp.com/dataset/documentation/main
|
11
|
+
[Yelp Dataset](https://www.yelp.com/dataset/documentation/main)
|
12
12
|
|
13
13
|
|
14
14
|
|