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            {
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                  {
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                  {
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                    "存储过程和函数": {
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having  
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                        [
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                        [
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                  {
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                    "UNION": {
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                      "keywords": [
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                        [
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            {
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                  {
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                      "children": [],
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                      "node_id": "mysql-df29b082d5364530b95bbdc14adc107e",
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                      "keywords_must": [
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                    " 求和": {
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                      "keywords": [
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                      "keywords_must": [
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                    "最小值": {
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                      "keywords": [
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                      "keywords_must": [
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                      "keywords": [
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                      "keywords": [
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                    "相关子查询": {
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                      "keywords": [
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                      "keywords": [
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                      "keywords": [
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                      "keywords": [
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              "连接查询": {
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                    "INNER JOIN": {
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                      "keywords": [
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                    " LEFT JOIN": {
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                      "keywords": [
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                    " RIGHT JOIN": {
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                        "右连接"
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                    " CROSS JOIN": {
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                      "keywords": [
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                        "交叉连接"
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                    " 复杂连接": {
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                    "索引入门": {
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                    "创建索引": {
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                    "删除索引": {
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                          "索引"
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              }
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                  {
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                      "keywords": [
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                        "查询日志"
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                      "keywords": [
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                        "慢查询日志"
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                      "keywords": [
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                    "二进制日志": {
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                      "keywords": [
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                    "数据导入和导出": {
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                      "keywords": [
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                        "restore",
                        "import",
                        "backup",
                        "导入",
                        "导出"
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                      "keywords": [
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              }
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            {
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                      "keywords": [
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                    }
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                  {
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                      "keywords": [
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                        "user",
                        "role",
                        "授权",
                        "角色"
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                      "children": [],
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                    }
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                  {
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                      "keywords": [
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                        "查看权限"
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                  {
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                      "keywords": [
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                        "revoke",
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                        "revoke"
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                    }
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                  {
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                      "keywords": [
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                        "修改密码"
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                      "node_id": "mysql-0bb8146d9ee54ff6934e45ce4e3b2f99",
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                      "keywords": [
                        "drop user",
                        "删除用户"
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                    }
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                  {
                    "限制用户使用资源": {
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                      "keywords": [
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                        "limit",
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        }
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          "children": [
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                "node_id": "mysql-5b56965051d342849d665acb5f55a734",
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                "keywords": [],
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                    "唯一索引": {
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                      "keywords": [
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                        "unique",
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                      "keywords": [
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index  
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1658
                      "group": 2
M
on tree  
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1659 1660 1661
                    }
                  },
                  {
M
index  
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1662
                    "匹配顺序": {
M
on tree  
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1663
                      "node_id": "mysql-bdc593e4b7ea4c8aa248227ff2e1221d",
M
index  
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1664 1665 1666 1667 1668
                      "keywords": [
                        "match",
                        "匹配顺序",
                        "匹配最左前缀"
                      ],
M
on tree  
Mars Liu 已提交
1669 1670
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1671 1672
                      "keywords_forbid": [],
                      "group": 0
M
on tree  
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1673 1674
                    }
                  },
M
index  
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1675 1676 1677
                  {
                    "组合索引": {
                      "node_id": "mysql-ce1f863b4d254d2aadb6ce2331122d16",
M
view  
Mars Liu 已提交
1678
                      "keywords": [
M
review  
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1679 1680
                        "compose",
                        "combine"
M
view  
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1681
                      ],
M
index  
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1682 1683
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1684
                      "keywords_forbid": [],
M
index  
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1685
                      "group": 1
M
index  
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1686 1687 1688 1689 1690
                    }
                  },
                  {
                    "空间索引": {
                      "node_id": "mysql-2f417818ad3449268396157cbb9d4d9c",
M
index  
Mars Liu 已提交
1691 1692 1693 1694 1695 1696
                      "keywords": [
                        "空间索引",
                        "几何索引",
                        "GEO",
                        "GEOMETRY"
                      ],
M
index  
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1697 1698
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1699
                      "keywords_forbid": [],
M
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1700
                      "group": 2
M
index  
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1701 1702 1703 1704 1705
                    }
                  },
                  {
                    "全文索引": {
                      "node_id": "mysql-ba3fc0140b5842bb949c591d059e3269",
M
Mars Liu 已提交
1706 1707 1708 1709
                      "keywords": [
                        "full text index",
                        "fti"
                      ],
M
index  
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1710 1711
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1712
                      "keywords_forbid": [],
M
index  
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1713
                      "group": 2
M
index  
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1714 1715 1716 1717 1718
                    }
                  },
                  {
                    "隐藏索引": {
                      "node_id": "mysql-c57e1195b0914cd38798ce029156ec87",
M
index  
Mars Liu 已提交
1719 1720 1721 1722 1723
                      "keywords": [
                        "invisible",
                        "visible",
                        "隐藏索引"
                      ],
M
index  
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1724 1725
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1726 1727
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1728 1729 1730
                    }
                  },
                  {
M
index  
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1731 1732 1733 1734 1735 1736 1737 1738 1739
                    "函数和表达式索引": {
                      "node_id": "mysql-7745c930b53c48d18afb4ba14e0510a7",
                      "keywords": [
                        "索引",
                        "index",
                        "performance",
                        "优化",
                        "表达式索引"
                      ],
M
index  
Mars Liu 已提交
1740
                      "children": [],
M
index  
Mars Liu 已提交
1741 1742 1743 1744 1745 1746
                      "keywords_must": [
                        "索引",
                        "index",
                        "performance",
                        "优化"
                      ],
L
luxin 已提交
1747
                      "keywords_forbid": [],
M
index  
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1748
                      "group": 2
M
index  
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1749
                    }
M
Mars Liu 已提交
1750 1751 1752
                  }
                ],
                "keywords_must": [],
L
luxin 已提交
1753
                "keywords_forbid": [],
M
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1754
                "group": 2
M
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1755 1756 1757 1758 1759 1760 1761 1762
              }
            },
            {
              "SQL高级技巧": {
                "node_id": "mysql-0cc4dd0b6c024a9e92abb4226bf7ff79",
                "keywords": [],
                "children": [
                  {
M
index  
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1763
                    "CTE和递归查询": {
M
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1764
                      "node_id": "mysql-753300de6ef94af7be40fb91a05421a6",
M
Mars Liu 已提交
1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775
                      "keywords": [
                        "cte",
                        "递归查询",
                        "recursive"
                      ],
                      "children": [],
                      "keywords_must": [
                        "cte",
                        "递归查询",
                        "recursive"
                      ],
L
luxin 已提交
1776 1777
                      "keywords_forbid": [],
                      "group": 2
M
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1778 1779 1780 1781
                    }
                  },
                  {
                    "Window Function": {
M
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1782
                      "node_id": "mysql-0f7b5745d0b44251a678bbd2bbee5f2e",
M
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1783 1784 1785 1786 1787 1788 1789 1790 1791 1792
                      "keywords": [
                        "函数",
                        "function"
                      ],
                      "children": [],
                      "keywords_must": [
                        "函数",
                        "function",
                        "window"
                      ],
L
luxin 已提交
1793 1794
                      "keywords_forbid": [],
                      "group": 2
M
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1795 1796 1797 1798
                    }
                  },
                  {
                    "透视表 ": {
M
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1799
                      "node_id": "mysql-88200dcbd2e848a5a1d74c086d8abe57",
M
Mars Liu 已提交
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810
                      "keywords": [
                        "透视表",
                        "交叉透视表",
                        "pivot"
                      ],
                      "children": [],
                      "keywords_must": [
                        "透视表",
                        "交叉透视表",
                        "pivot"
                      ],
L
luxin 已提交
1811 1812
                      "keywords_forbid": [],
                      "group": 1
M
Mars Liu 已提交
1813 1814
                    }
                  },
M
view  
Mars Liu 已提交
1815 1816 1817 1818 1819 1820 1821 1822 1823 1824
                  {
                    "Double Not Exists": {
                      "node_id": "mysql-72761d60ad7c4a9a9c87435daca246b9",
                      "keywords": [
                        "exists",
                        "not exists",
                        "double not exists"
                      ],
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1825 1826
                      "keywords_forbid": [],
                      "group": 0
M
view  
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1827 1828
                    }
                  },
M
Mars Liu 已提交
1829 1830
                  {
                    "写入和冲突": {
M
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1831
                      "node_id": "mysql-f9f2ae841cf14d079c8433c833d3396d",
M
Mars Liu 已提交
1832 1833 1834 1835 1836 1837 1838 1839 1840 1841
                      "keywords": [
                        "conflict",
                        "冲突",
                        "唯一约束"
                      ],
                      "children": [],
                      "keywords_must": [
                        "conflict",
                        "冲突"
                      ],
L
luxin 已提交
1842 1843
                      "keywords_forbid": [],
                      "group": 2
M
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1844 1845 1846 1847
                    }
                  },
                  {
                    "事务": {
M
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1848
                      "node_id": "mysql-a00dadd0e1e945e597adcd2b71452e07",
M
Mars Liu 已提交
1849 1850 1851 1852 1853 1854 1855 1856 1857
                      "keywords": [
                        "事务",
                        "transaction"
                      ],
                      "children": [],
                      "keywords_must": [
                        "事务",
                        "transaction"
                      ],
L
luxin 已提交
1858 1859
                      "keywords_forbid": [],
                      "group": 2
M
Mars Liu 已提交
1860 1861 1862 1863
                    }
                  }
                ],
                "keywords_must": [],
L
luxin 已提交
1864
                "keywords_forbid": [],
M
Mars Liu 已提交
1865
                "group": 2
M
Mars Liu 已提交
1866 1867 1868
              }
            },
            {
M
on tree  
Mars Liu 已提交
1869 1870
              " 过程化编程": {
                "node_id": "mysql-918d2ed90a1546e1aab23036eee5539a",
M
Mars Liu 已提交
1871 1872 1873
                "keywords": [],
                "children": [
                  {
M
on tree  
Mars Liu 已提交
1874 1875
                    "IF": {
                      "node_id": "mysql-d7f86bc2fcbb4b83a11f2ed73bde7ac0",
M
review  
Mars Liu 已提交
1876 1877 1878
                      "keywords": [
                        "if"
                      ],
M
Mars Liu 已提交
1879
                      "children": [],
M
on tree  
Mars Liu 已提交
1880
                      "keywords_must": [],
L
luxin 已提交
1881
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
1882
                      "group": 2
M
on tree  
Mars Liu 已提交
1883 1884 1885 1886 1887
                    }
                  },
                  {
                    "LOOP": {
                      "node_id": "mysql-8ef7f9a1bba04bd782d80e9459446228",
M
Mars Liu 已提交
1888 1889 1890 1891
                      "keywords": [
                        "loop",
                        "循环"
                      ],
M
on tree  
Mars Liu 已提交
1892 1893
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1894
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
1895
                      "group": 2
M
on tree  
Mars Liu 已提交
1896 1897 1898 1899 1900
                    }
                  },
                  {
                    "REPEAT": {
                      "node_id": "mysql-923c7bbf96cf4630a5dfb36f15e62d24",
M
cursor  
Mars Liu 已提交
1901 1902 1903 1904
                      "keywords": [
                        "repeat",
                        "循环"
                      ],
M
on tree  
Mars Liu 已提交
1905 1906
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1907
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
1908
                      "group": 2
M
on tree  
Mars Liu 已提交
1909 1910 1911 1912 1913
                    }
                  },
                  {
                    "WHILE": {
                      "node_id": "mysql-8bbe6f55f32b4a4a8a6011c5748b36fa",
M
while  
Mars Liu 已提交
1914 1915 1916
                      "keywords": [
                        "while"
                      ],
M
Mars Liu 已提交
1917 1918
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1919
                      "keywords_forbid": [],
M
review  
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1920
                      "group": 2
M
Mars Liu 已提交
1921 1922 1923 1924 1925 1926
                    }
                  },
                  {
                    " 游标": {
                      "node_id": "mysql-459fd14ff096438d9b6460270bec4754",
                      "keywords": [
M
cursor  
Mars Liu 已提交
1927 1928
                        "cursor",
                        "游标"
M
Mars Liu 已提交
1929
                      ],
M
on tree  
Mars Liu 已提交
1930 1931
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1932
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
1933
                      "group": 2
M
on tree  
Mars Liu 已提交
1934 1935 1936 1937
                    }
                  }
                ],
                "keywords_must": [],
L
luxin 已提交
1938
                "keywords_forbid": [],
M
Mars Liu 已提交
1939
                "group": 2
M
on tree  
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1940 1941
              }
            },
M
Mars Liu 已提交
1942 1943 1944 1945 1946
            {
              "设计优化": {
                "node_id": "mysql-d4ff221a05884e6dbf0c5c2e5c8a0d48",
                "keywords": [],
                "children": [
M
Mars Liu 已提交
1947 1948 1949
                  {
                    "生成列": {
                      "node_id": "mysql-d3611482eecd4055816df4b1dd9ff90d",
M
review  
Mars Liu 已提交
1950 1951 1952
                      "keywords": [
                        "generated"
                      ],
M
Mars Liu 已提交
1953 1954
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1955
                      "keywords_forbid": [],
M
Mars Liu 已提交
1956
                      "group": 2
M
Mars Liu 已提交
1957 1958
                    }
                  },
M
Mars Liu 已提交
1959 1960 1961
                  {
                    " 范式设计": {
                      "node_id": "mysql-bee8db3dd5354a42bb50277fe4cb2913",
M
review  
Mars Liu 已提交
1962 1963 1964
                      "keywords": [
                        "normalization"
                      ],
M
Mars Liu 已提交
1965 1966
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1967 1968
                      "keywords_forbid": [],
                      "group": 2
M
Mars Liu 已提交
1969 1970
                    }
                  },
M
Mars Liu 已提交
1971 1972 1973
                  {
                    "反范式设计": {
                      "node_id": "mysql-3e4c837b471c454c90bfbc32445f2780",
L
luxin 已提交
1974 1975
                      "keywords": [
                        "反范式",
M
review  
Mars Liu 已提交
1976
                        "anti normalization"
L
luxin 已提交
1977
                      ],
M
Mars Liu 已提交
1978 1979
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1980 1981
                      "keywords_forbid": [],
                      "group": 0
M
Mars Liu 已提交
1982 1983 1984 1985 1986
                    }
                  },
                  {
                    "增加中间表": {
                      "node_id": "mysql-a2ddae1b044149ecbb74db3b6eb32721",
M
view  
Mars Liu 已提交
1987 1988 1989 1990
                      "keywords": [
                        "middle",
                        "中间表"
                      ],
M
Mars Liu 已提交
1991 1992
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1993 1994
                      "keywords_forbid": [],
                      "group": 0
M
Mars Liu 已提交
1995 1996
                    }
                  },
M
Mars Liu 已提交
1997 1998 1999
                  {
                    "分析数据表": {
                      "node_id": "mysql-cde6eae01784468fa0171ff3042f221f",
L
luxin 已提交
2000 2001 2002 2003
                      "keywords": [
                        "analyze table",
                        "分析数据表"
                      ],
M
Mars Liu 已提交
2004 2005
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2006 2007
                      "keywords_forbid": [],
                      "group": 0
M
Mars Liu 已提交
2008
                    }
M
Mars Liu 已提交
2009 2010 2011
                  }
                ],
                "keywords_must": [],
L
luxin 已提交
2012
                "keywords_forbid": [],
M
Mars Liu 已提交
2013
                "group": 2
M
Mars Liu 已提交
2014 2015
              }
            },
M
on tree  
Mars Liu 已提交
2016 2017 2018 2019 2020 2021
            {
              "运维与架构": {
                "node_id": "mysql-1312f53e4f41430bab7873901dd64433",
                "keywords": [],
                "children": [
                  {
M
Mars Liu 已提交
2022 2023
                    "主从复制": {
                      "node_id": "mysql-cc8606a40aac43cb8b063a65f51e4df1",
M
Mars Liu 已提交
2024 2025 2026 2027 2028
                      "keywords": [
                        "slave",
                        "master",
                        "standby"
                      ],
M
on tree  
Mars Liu 已提交
2029 2030
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2031
                      "keywords_forbid": [],
M
Mars Liu 已提交
2032
                      "group": 2
M
on tree  
Mars Liu 已提交
2033 2034
                    }
                  },
M
Mars Liu 已提交
2035 2036 2037
                  {
                    "添加从库": {
                      "node_id": "mysql-1c778aa1adfd43d4ac9da32df9e44238",
M
chains  
Mars Liu 已提交
2038 2039 2040 2041 2042 2043
                      "keywords": [
                        "slave",
                        "master",
                        "standby",
                        "add slave"
                      ],
M
Mars Liu 已提交
2044 2045
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2046
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2047
                      "group": 2
M
Mars Liu 已提交
2048 2049 2050 2051 2052
                    }
                  },
                  {
                    "从主从复制到链式复制": {
                      "node_id": "mysql-88333dcb84a946a78bfd9f413c6e795b",
M
Mars Liu 已提交
2053 2054 2055 2056 2057 2058 2059
                      "keywords": [
                        "chains",
                        "slave",
                        "master",
                        "主从复制",
                        "replication"
                      ],
M
Mars Liu 已提交
2060 2061
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2062
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2063
                      "group": 2
M
Mars Liu 已提交
2064 2065 2066 2067 2068
                    }
                  },
                  {
                    "从链式复制到主从复制": {
                      "node_id": "mysql-2f6f847907d4415788e98d2f70f64d3c",
M
Mars Liu 已提交
2069
                      "keywords": [
M
Mars Liu 已提交
2070 2071 2072 2073 2074
                        "chains",
                        "slave",
                        "master",
                        "主从复制",
                        "replication"
M
Mars Liu 已提交
2075
                      ],
M
Mars Liu 已提交
2076 2077
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2078
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2079
                      "group": 2
M
Mars Liu 已提交
2080 2081 2082 2083
                    }
                  },
                  {
                    "多源复制": {
M
fliter  
Mars Liu 已提交
2084
                      "node_id": "mysql-91ba7f7a6b684b8aad01abd583cf0442",
M
Mars Liu 已提交
2085 2086 2087 2088 2089
                      "keywords": [
                        "多源复制",
                        "multimaster",
                        "replication"
                      ],
M
Mars Liu 已提交
2090 2091
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2092
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2093
                      "group": 2
M
Mars Liu 已提交
2094 2095 2096 2097 2098
                    }
                  },
                  {
                    "复制过滤器": {
                      "node_id": "mysql-b3cba2e9c7ea46d5beeb1948b41a74d5",
M
index  
Mars Liu 已提交
2099
                      "keywords": [
M
Mars Liu 已提交
2100 2101 2102
                        "复制过滤器",
                        "filter",
                        "replication"
M
index  
Mars Liu 已提交
2103
                      ],
M
Mars Liu 已提交
2104 2105
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2106
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2107
                      "group": 2
M
Mars Liu 已提交
2108 2109 2110 2111 2112
                    }
                  },
                  {
                    "延迟复制": {
                      "node_id": "mysql-9dee640902204fcbbe780c0f04bc7c18",
M
Mars Liu 已提交
2113 2114 2115 2116 2117
                      "keywords": [
                        "delay",
                        "延迟复制",
                        "replication"
                      ],
M
index  
Mars Liu 已提交
2118 2119
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2120
                      "keywords_forbid": [],
M
review  
Mars Liu 已提交
2121
                      "group": 2
M
index  
Mars Liu 已提交
2122
                    }
M
on tree  
Mars Liu 已提交
2123 2124 2125
                  }
                ],
                "keywords_must": [],
L
luxin 已提交
2126
                "keywords_forbid": [],
M
Mars Liu 已提交
2127
                "group": 2
M
on tree  
Mars Liu 已提交
2128 2129 2130 2131 2132 2133 2134 2135 2136 2137
              }
            },
            {
              "查询优化": {
                "node_id": "mysql-310130dd922d4e2b832891cc0e157cbf",
                "keywords": [],
                "children": [
                  {
                    " SHOW STATUS": {
                      "node_id": "mysql-3574b2e5c9ca475789d9d582d7726906",
M
on tree  
Mars Liu 已提交
2138 2139 2140
                      "keywords": [
                        "show status"
                      ],
M
on tree  
Mars Liu 已提交
2141 2142
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2143
                      "keywords_forbid": [],
M
Mars Liu 已提交
2144
                      "group": 2
M
on tree  
Mars Liu 已提交
2145 2146 2147
                    }
                  },
                  {
M
Mars Liu 已提交
2148 2149
                    " SHOW PROFILE": {
                      "node_id": "mysql-f0b12126dd3e4be09010a308a822bc32",
M
on tree  
Mars Liu 已提交
2150
                      "keywords": [
M
Mars Liu 已提交
2151
                        "show profile"
M
on tree  
Mars Liu 已提交
2152 2153 2154
                      ],
                      "children": [],
                      "keywords_must": [],
L
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                    }
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                    " EXPLAIN": {
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                      "keywords": [
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                        "explain",
                        "explain analyze"
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                      ],
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                      "children": [],
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              }
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            },
            {
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              "写优化": {
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                "node_id": "mysql-284cf77b823540c38370d5cd70ada265",
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                "children": [
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                      "group": 2
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                    }
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                  {
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                      "keywords": [
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                        "performance",
                        "优化",
                        "删除"
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                      "children": [],
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              }
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                      "keywords": [
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                        "优化"
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                    }
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                "keywords_must": [],
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          ],
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        }
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  }
}