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@@ -50,6 +50,7 @@ CREATE TABLE IF NOT EXISTS `paper` (
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`is_mark` bit(1) NULL DEFAULT b'0' COMMENT '是否标记',
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`updated_on` datetime(0) NULL DEFAULT NULL,
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PRIMARY KEY (`id`) USING BTREE,
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+ UNIQUE KEY `uq_idx` (`work_id`,`subject`,`exam_number`,`is_test`),
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INDEX `idx_paper_exam_number`(`exam_number`) USING BTREE,
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INDEX `idx_union_1`(`batch_no`) USING BTREE,
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INDEX `idx_union_2`(`question_id`, `level`) USING BTREE,
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xiaofei