tree.json

{
  "pg": {
    "node_id": "pg-4544619de2a54841930282c700ba92b8",
    "keywords": [],
    "children": [
      {
        "PostgreSQL初阶": {
          "node_id": "pg-6089aef54c4c4ce7bc85b4dfa14f44cd",
          "keywords": [],
          "children": [
            {
              "PostgreSQL基本概念": {
                "node_id": "pg-b710bd5c63fb4651bebfdd9b3fdb17a5",
                "keywords": [],
                "children": [
                  {
                    "关系型数据库": {
                      "node_id": "pg-6920a4f2ba864459bd8883a7a48fa238",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "服务器和客户端": {
                      "node_id": "pg-40374311856c4ad3b76fff16ecbe9dce",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "PostgreSQL的安装": {
                "node_id": "pg-3ac4a2bf31af423fb9e2ec9fe30024c5",
                "keywords": [],
                "children": [
                  {
                    "安装PostgreSQL": {
                      "node_id": "pg-940afa6d71af44f689011ded8fd91a98",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "登录PostgreSQL": {
                      "node_id": "pg-586916fe52e245efb399ae862378f87f",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "使用PostgreSQL": {
                      "node_id": "pg-c252ff4b0e7f4163837c9b6f81678505",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "查询数据": {
                "node_id": "pg-7e2e52dbddb44d5bad6deea6c5e57198",
                "keywords": [],
                "children": [
                  {
                    "SQL基本语法": {
                      "node_id": "pg-dca8da7637f94ded91a1871daa51746e",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "SQL、DML和DDL": {
                      "node_id": "pg-b0f366abe12e41b0a9672d317e556662",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "PostgreSQL的数据类型": {
                      "node_id": "pg-1eae8a80615f436081e71b36d89fb0aa",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "函数调用": {
                      "node_id": "pg-ebef9fceb3684b119a9ba221a81f304b",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            }
          ]
        }
      },
      {
        "PostgreSQL中阶": {
          "node_id": "pg-c360138dad92431594130596c5c91394",
          "keywords": [],
          "children": [
            {
              "PostgreSQL数据库的基本结构": {
                "node_id": "pg-100e256ddb2e43ea8d68558e73522819",
                "keywords": [],
                "children": [
                  {
                    "表": {
                      "node_id": "pg-806d3976e8764d4f8e26c197c53d45a8",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "函数": {
                      "node_id": "pg-f371b91ef63a4ce08f80b92bc8580196",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "用户和权限": {
                      "node_id": "pg-cb942198b3a84d5398d73d558a241543",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "索引和约束": {
                      "node_id": "pg-eeb777ca54434480a06bfe7fc5e7d3ca",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    " 触发器": {
                      "node_id": "pg-a0cb78d68d814f5e935b41922b88e085",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "数据库扩展": {
                      "node_id": "pg-d2b6e840cfad44a2aa357cfee56d437d",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "服务端编程": {
                "node_id": "pg-c99d8673d47444988c37f6dd3abb1e63",
                "keywords": [],
                "children": [
                  {
                    "聚合和分组": {
                      "node_id": "pg-3a87b0dbead643e58f1ff1d93acd80cc",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "连接查询": {
                      "node_id": "pg-458d5d590ea64188847b45d8e6343f83",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "子查询": {
                      "node_id": "pg-55fd213f919d411c9b572241c4bb7807",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "分页查询": {
                      "node_id": "pg-69d3a1c646004e1da497fed2af57806c",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "CTE": {
                      "node_id": "pg-6beb084543204f4f9d87930c0a6c5707",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "DML": {
                      "node_id": "pg-e1cd59819dd74a0bacc707f7863aad53",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "过程化编程": {
                      "node_id": "pg-eb4048b7dfd3469f8049330ba78427b5",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "DDL": {
                      "node_id": "pg-0378bcd60ccd4dfebcfead92abbdd673",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            }
          ]
        }
      },
      {
        "PostgreSQL高阶": {
          "node_id": "pg-2f46da8212cf41ad9c0d2a5bf1330adc",
          "keywords": [],
          "children": [
            {
              "集群和复制": {
                "node_id": "pg-328b09c201b6414d83228970591910af",
                "keywords": [],
                "children": [
                  {
                    "standby": {
                      "node_id": "pg-58e924e93b564a24abb1e6b9cdfbc094",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "流式复制集群": {
                      "node_id": "pg-7eff3dcf68644c23bd89f2a2abe4fac6",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "fdw": {
                      "node_id": "pg-20a433f6ae65429f9b1a7f17c751ac01",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "高级数据类型": {
                "node_id": "pg-f80410c703044bfea61b2f3a4fbc5705",
                "keywords": [],
                "children": [
                  {
                    "自定义类型": {
                      "node_id": "pg-ec4bbb39e76949b48b13f04cc8c16532",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "几何类型和GIS": {
                      "node_id": "pg-3bbe12c0a19d4cb7a61dc0a20624ed89",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "JSON和JSONB": {
                      "node_id": "pg-69ad784e39c044d7a115cfd124e49ef1",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "函数": {
                      "node_id": "pg-6dbbb44b41d347b58075a9155dfb8356",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "视图": {
                      "node_id": "pg-532f8f84ea74493a9581e6bf720ebf78",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "SQL高级技巧": {
                "node_id": "pg-9e66230caa834cb99a2390c7f71fb582",
                "keywords": [],
                "children": [
                  {
                    "递归查询": {
                      "node_id": "pg-2e691ed3a847424eb887b40aca750c4e",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "写入和冲突": {
                      "node_id": "pg-6ce3520f7a67494a90378e7b194f8720",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "事务": {
                      "node_id": "pg-2d547e778fc4453b84feb0a0c6341348",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "索引和优化": {
                      "node_id": "pg-79fe660f35f4469481db38509343c2b7",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "表函数": {
                      "node_id": "pg-e4b00736ab4c483785c022a0a464f30a",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "结果集类型": {
                      "node_id": "pg-0e280b203b524a28ab8587aac125a865",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            }
          ]
        }
      }
    ]
  }
}