0f4df23290
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36 lines
1.1 KiB
SQL
36 lines
1.1 KiB
SQL
CREATE TABLE pilots (
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id integer NOT NULL,
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name text NOT NULL
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);
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ALTER TABLE pilots ADD CONSTRAINT pilot_pkey PRIMARY KEY (id);
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CREATE TABLE jets (
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id integer NOT NULL,
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pilot_id integer NOT NULL,
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age integer NOT NULL,
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name text NOT NULL,
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color text NOT NULL
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);
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ALTER TABLE jets ADD CONSTRAINT jet_pkey PRIMARY KEY (id);
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ALTER TABLE jets ADD CONSTRAINT jet_pilots_fkey FOREIGN KEY (pilot_id) REFERENCES pilots(id);
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CREATE TABLE languages (
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id integer NOT NULL,
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language text NOT NULL
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);
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ALTER TABLE languages ADD CONSTRAINT language_pkey PRIMARY KEY (id);
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-- Join table
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CREATE TABLE pilot_languages (
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pilot_id integer NOT NULL,
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language_id integer NOT NULL
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);
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-- Composite primary key
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ALTER TABLE pilot_languages ADD CONSTRAINT pilot_language_pkey PRIMARY KEY (pilot_id, language_id);
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ALTER TABLE pilot_languages ADD CONSTRAINT pilot_language_pilots_fkey FOREIGN KEY (pilot_id) REFERENCES pilots(id);
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ALTER TABLE pilot_languages ADD CONSTRAINT pilot_language_languages_fkey FOREIGN KEY (language_id) REFERENCES languages(id);
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