闭包表通过在关系表中记录树节点之间的直接和间接关系来表示节点之间的层次结构,目的是支持高效的树遍历和查询操作。
一、创建闭包表
CREATE TABLE departments (id int NOT NULL COMMENT ID,name varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_…
论文: GPT:Improving Language Understanding by Generative Pre-Training GTP-2:Language Models are Unsupervised Multitask Learners GPT-3:Language Models are Few-Shot Learners 参考:GPT、GPT-2、GPT-3论文精读…