chart_variables
Data license: CC-BY
3 rows where variableId = 852542
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Link | chartId | variableId |
---|---|---|
879,852542 | Wheat yields 879 | Wheat yield 852542 |
6878,852542 | Long-run cereal yields in the United Kingdom 6878 | Wheat yield 852542 |
7072,852542 | Yields of important staple crops 7072 | Wheat yield 852542 |
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CREATE TABLE chart_variables ( `chartId` integer NOT NULL, `variableId` integer NOT NULL, PRIMARY KEY (`chartId`, `variableId`), CONSTRAINT `FK_chart_variables_chartId` FOREIGN KEY (`chartId`) REFERENCES `charts` (`id`) ON DELETE CASCADE, CONSTRAINT `FK_chart_variables_variableId` FOREIGN KEY (`variableId`) REFERENCES `variables` (`id`) ON DELETE CASCADE );