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10 lines
551 B
10 lines
551 B
CREATE TABLE knowledge_points (
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id VARCHAR(32) PRIMARY KEY COMMENT '知识点唯一标识',
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title VARCHAR(100) NOT NULL COMMENT '知识点标题',
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parent_id VARCHAR(32) COMMENT '父节点ID',
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is_leaf BOOLEAN NOT NULL COMMENT '是否为叶子节点',
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sort INT COMMENT '排序字段',
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prerequisite JSON COMMENT '先修知识点(仅一级节点)',
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related JSON COMMENT '相关知识点(仅一级节点)',
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KEY idx_parent_id (parent_id)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='小学数学知识点体系'; |