chart_variables
Data license: CC-BY
1 row where variableId = 817639
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Link | chartId | variableId |
---|---|---|
1228,817639 | Average performance of 15-year-olds in mathematics 1228 | Upper bound of performance of 15-year-old on the mathematics scale 817639 |
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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 );