13 lines
504 B
MySQL
13 lines
504 B
MySQL
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-- Place your SQL code here
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USE vn;
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CREATE OR REPLACE TABLE `operator` (
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`workerFk` int(10) unsigned NOT NULL,
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`numberOfWagons` int(11) DEFAULT 1,
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PRIMARY KEY (`workerFk`),
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KEY `operator_FK` (`workerFk`),
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CONSTRAINT `operator_FK` FOREIGN KEY (`workerFk`) REFERENCES `worker` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;
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INSERT INTO vn.operator (workerFk, numberOfWagons)
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SELECT id, 2 FROM vn.worker WHERE sectorFk is not null;
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