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            {
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                  {
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              "视图": {
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                    "视图的基本概念": {
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            },
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                      "keywords": [
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                      "keywords": [
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                      "keywords": [
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                      "keywords": [
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                    }
                  },
                  {
                    "MySQL8的账户管理": {
                      "node_id": "mysql-8689980164b1428c865cf33ad889a088",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
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                      "keywords_forbid": [],
                      "group": 0
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                    }
                  }
                ],
                "keywords_must": [],
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                "keywords_forbid": [],
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1759
                "group": 2
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1760
              }
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            }
          ],
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          "keywords_must": [],
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          "keywords_forbid": [],
          "group": 0
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1766 1767 1768 1769 1770 1771
        }
      },
      {
        "MySQL高阶": {
          "node_id": "mysql-fba12490eaea4ed8b50866f878896338",
          "keywords": [],
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          "children": [
            {
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              "深入索引": {
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                "node_id": "mysql-5b56965051d342849d665acb5f55a734",
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1776 1777 1778
                "keywords": [],
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                  {
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1779
                    "索引概述": {
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1780
                      "node_id": "mysql-5b21eb9eb2f446288d80c6bd65a6416f",
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1781 1782 1783
                      "keywords": [
                        "index"
                      ],
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1784
                      "children": [],
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                      "keywords_must": [],
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                      "keywords_forbid": [],
                      "group": 0
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1788 1789 1790
                    }
                  },
                  {
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1791 1792
                    "唯一索引": {
                      "node_id": "mysql-db7153c698e8442eb5f71e8ec2f2e6cd",
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1793 1794 1795 1796 1797
                      "keywords": [
                        "unique"
                      ],
                      "children": [],
                      "keywords_must": [],
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1798 1799
                      "keywords_forbid": [],
                      "group": 0
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1800 1801 1802 1803 1804
                    }
                  },
                  {
                    "全值匹配": {
                      "node_id": "mysql-391b51e398764531abf5a6e036699cc8",
M
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1805 1806 1807 1808 1809 1810 1811
                      "keywords": [
                        "equals",
                        "not equals",
                        "相等",
                        "不等",
                        "全值"
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1812 1813
                      "children": [],
                      "keywords_must": [],
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1814 1815
                      "keywords_forbid": [],
                      "group": 0
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1816 1817 1818 1819 1820 1821 1822 1823
                    }
                  },
                  {
                    "查询范围": {
                      "node_id": "mysql-0c5d3369c9c14a0ba484fed71d91ebcf",
                      "keywords": [],
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1824 1825
                      "keywords_forbid": [],
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1826 1827 1828 1829 1830 1831 1832 1833
                    }
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                  {
                    "前缀匹配": {
                      "node_id": "mysql-bdc593e4b7ea4c8aa248227ff2e1221d",
                      "keywords": [],
                      "children": [],
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1834 1835
                      "keywords_forbid": [],
                      "group": 0
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1836 1837 1838 1839 1840
                    }
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                  {
                    "精确匹配与范围匹配": {
                      "node_id": "mysql-2b57deb6baa445ca87e66143624164bb",
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1841 1842 1843 1844
                      "keywords": [
                        "match",
                        "range"
                      ],
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1845 1846
                      "children": [],
                      "keywords_must": [],
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1847 1848
                      "keywords_forbid": [],
                      "group": 0
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1849 1850 1851 1852 1853 1854 1855 1856
                    }
                  },
                  {
                    "连接查询与索引": {
                      "node_id": "mysql-8e4a5a0e19e04932b9680ea24364fdd4",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
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1857 1858
                      "keywords_forbid": [],
                      "group": 0
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1859 1860 1861 1862 1863 1864 1865 1866
                    }
                  },
                  {
                    "NULL": {
                      "node_id": "mysql-cc8d1f5fa1e74b6bac93488149c5845f",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
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1867 1868
                      "keywords_forbid": [],
                      "group": 0
M
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1869 1870 1871 1872 1873
                    }
                  },
                  {
                    "LIKE": {
                      "node_id": "mysql-387801d5a5124f78a7bf3d68f3618a57",
M
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1874 1875 1876
                      "keywords": [
                        "like"
                      ],
M
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1877
                      "children": [],
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on tree  
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1878
                      "keywords_must": [],
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1879 1880
                      "keywords_forbid": [],
                      "group": 0
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1881
                    }
M
index  
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1882
                  },
M
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1883 1884 1885 1886 1887 1888
                  {
                    "JSON索引": {
                      "node_id": "mysql-9f8881b9f30544149327af68e3007603",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
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1889 1890
                      "keywords_forbid": [],
                      "group": 0
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1891 1892
                    }
                  },
M
index  
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1893 1894 1895
                  {
                    "组合索引": {
                      "node_id": "mysql-ce1f863b4d254d2aadb6ce2331122d16",
M
view  
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1896 1897 1898
                      "keywords": [
                        "compose"
                      ],
M
index  
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1899 1900
                      "children": [],
                      "keywords_must": [],
L
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1901 1902
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1903 1904 1905 1906 1907 1908 1909 1910
                    }
                  },
                  {
                    "空间索引": {
                      "node_id": "mysql-2f417818ad3449268396157cbb9d4d9c",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
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1911 1912
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1913 1914 1915 1916 1917
                    }
                  },
                  {
                    "全文索引": {
                      "node_id": "mysql-ba3fc0140b5842bb949c591d059e3269",
M
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1918 1919 1920 1921
                      "keywords": [
                        "full text index",
                        "fti"
                      ],
M
index  
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1922 1923
                      "children": [],
                      "keywords_must": [],
L
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1924 1925
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1926 1927 1928 1929 1930 1931 1932 1933
                    }
                  },
                  {
                    "隐藏索引": {
                      "node_id": "mysql-c57e1195b0914cd38798ce029156ec87",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
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1934 1935
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1936 1937 1938 1939 1940 1941 1942 1943
                    }
                  },
                  {
                    "函数索引": {
                      "node_id": "mysql-157170c2c7454b3ca78a4f7f7f6f3739",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1944 1945
                      "keywords_forbid": [],
                      "group": 0
M
index  
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1946
                    }
M
Mars Liu 已提交
1947 1948 1949
                  }
                ],
                "keywords_must": [],
L
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1950
                "keywords_forbid": [],
M
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1951
                "group": 2
M
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1952 1953
              }
            },
M
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1954 1955 1956 1957 1958 1959 1960 1961
            {
              "深入函数": {
                "node_id": "mysql-f436539236694bb9a4014de11e06ad82",
                "keywords": [],
                "children": [
                  {
                    "MySQL信息相关": {
                      "node_id": "mysql-39c24ef50f5a48b2a0130260485980b1",
M
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1962 1963 1964
                      "keywords": [
                        "系统函数"
                      ],
M
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1965 1966
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1967 1968
                      "keywords_forbid": [],
                      "group": 0
M
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1969 1970 1971 1972 1973
                    }
                  },
                  {
                    "锁相关": {
                      "node_id": "mysql-e5c47aa105c5484c8871825dd622cc5e",
M
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1974 1975 1976 1977 1978
                      "keywords": [
                        "函数",
                        "锁",
                        "lock"
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M
Mars Liu 已提交
1979 1980
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1981 1982
                      "keywords_forbid": [],
                      "group": 0
M
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1983 1984 1985 1986 1987 1988 1989 1990
                    }
                  },
                  {
                    "JSON函数": {
                      "node_id": "mysql-2adc9f3d02b54abc893f288140109118",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
1991 1992
                      "keywords_forbid": [],
                      "group": 0
M
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1993 1994 1995 1996 1997
                    }
                  },
                  {
                    "窗口函数": {
                      "node_id": "mysql-5ccb985581644784ae82118849bc241c",
M
Mars Liu 已提交
1998 1999 2000 2001
                      "keywords": [
                        "window function",
                        "窗口函数"
                      ],
M
Mars Liu 已提交
2002 2003
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2004 2005
                      "keywords_forbid": [],
                      "group": 0
M
Mars Liu 已提交
2006 2007 2008 2009 2010 2011 2012 2013
                    }
                  },
                  {
                    "其它函数": {
                      "node_id": "mysql-f2fe15b77d5d4ecb92e2840e8b831af2",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
L
luxin 已提交
2014 2015
                      "keywords_forbid": [],
                      "group": 0
M
Mars Liu 已提交
2016 2017 2018 2019
                    }
                  }
                ],
                "keywords_must": [],
L
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2020
                "keywords_forbid": [],
M
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2021
                "group": 2
M
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2022 2023
              }
            },
M
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2024 2025 2026 2027 2028 2029
            {
              "SQL高级技巧": {
                "node_id": "mysql-0cc4dd0b6c024a9e92abb4226bf7ff79",
                "keywords": [],
                "children": [
                  {
M
index  
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2030
                    "CTE和递归查询": {
M
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2031
                      "node_id": "mysql-753300de6ef94af7be40fb91a05421a6",
M
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2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042
                      "keywords": [
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L
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2043 2044
                      "keywords_forbid": [],
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M
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2045 2046 2047 2048
                    }
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                  {
                    "Window Function": {
M
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2049
                      "node_id": "mysql-0f7b5745d0b44251a678bbd2bbee5f2e",
M
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2050 2051 2052 2053 2054 2055 2056 2057 2058 2059
                      "keywords": [
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                        "window"
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L
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2060 2061
                      "keywords_forbid": [],
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M
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2062 2063 2064 2065
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                  {
                    "透视表 ": {
M
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2066
                      "node_id": "mysql-88200dcbd2e848a5a1d74c086d8abe57",
M
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2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077
                      "keywords": [
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                        "交叉透视表",
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                        "交叉透视表",
                        "pivot"
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L
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2078 2079
                      "keywords_forbid": [],
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M
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2080 2081
                    }
                  },
M
view  
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2082 2083 2084 2085 2086 2087 2088 2089 2090 2091
                  {
                    "Double Not Exists": {
                      "node_id": "mysql-72761d60ad7c4a9a9c87435daca246b9",
                      "keywords": [
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                        "not exists",
                        "double not exists"
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L
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2092 2093
                      "keywords_forbid": [],
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M
view  
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2094 2095
                    }
                  },
M
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2096 2097
                  {
                    "写入和冲突": {
M
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2098
                      "node_id": "mysql-f9f2ae841cf14d079c8433c833d3396d",
M
Mars Liu 已提交
2099 2100 2101 2102 2103 2104 2105 2106 2107 2108
                      "keywords": [
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                        "冲突",
                        "唯一约束"
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                        "conflict",
                        "冲突"
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L
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2109 2110
                      "keywords_forbid": [],
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M
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2111 2112 2113 2114
                    }
                  },
                  {
                    "事务": {
M
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2115
                      "node_id": "mysql-a00dadd0e1e945e597adcd2b71452e07",
M
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2116 2117 2118 2119 2120 2121 2122 2123 2124
                      "keywords": [
                        "事务",
                        "transaction"
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                      "children": [],
                      "keywords_must": [
                        "事务",
                        "transaction"
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L
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2125 2126
                      "keywords_forbid": [],
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M
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2127 2128 2129 2130
                    }
                  },
                  {
                    "索引和优化": {
M
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2131
                      "node_id": "mysql-7745c930b53c48d18afb4ba14e0510a7",
M
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2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144
                      "keywords": [
                        "索引",
                        "index",
                        "performance",
                        "优化"
                      ],
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                        "索引",
                        "index",
                        "performance",
                        "优化"
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L
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2145 2146
                      "keywords_forbid": [],
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M
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2147
                    }
M
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2148 2149 2150
                  }
                ],
                "keywords_must": [],
L
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2151
                "keywords_forbid": [],
M
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2152
                "group": 2
M
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2153 2154 2155
              }
            },
            {
M
on tree  
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2156 2157
              " 过程化编程": {
                "node_id": "mysql-918d2ed90a1546e1aab23036eee5539a",
M
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2158 2159 2160
                "keywords": [],
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                  {
M
on tree  
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2161 2162 2163
                    "IF": {
                      "node_id": "mysql-d7f86bc2fcbb4b83a11f2ed73bde7ac0",
                      "keywords": [],
M
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2164
                      "children": [],
M
on tree  
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2165
                      "keywords_must": [],
L
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2166 2167
                      "keywords_forbid": [],
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M
on tree  
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2168 2169 2170 2171 2172
                    }
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                  {
                    "LOOP": {
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M
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2173 2174 2175 2176
                      "keywords": [
                        "loop",
                        "循环"
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M
on tree  
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2177 2178
                      "children": [],
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L
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2179 2180
                      "keywords_forbid": [],
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M
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2181 2182 2183 2184 2185
                    }
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                  {
                    "REPEAT": {
                      "node_id": "mysql-923c7bbf96cf4630a5dfb36f15e62d24",
M
cursor  
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2186 2187 2188 2189
                      "keywords": [
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                        "循环"
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M
on tree  
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2190 2191
                      "children": [],
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2192 2193
                      "keywords_forbid": [],
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M
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2194 2195 2196 2197 2198
                    }
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                  {
                    "WHILE": {
                      "node_id": "mysql-8bbe6f55f32b4a4a8a6011c5748b36fa",
M
while  
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2199 2200 2201
                      "keywords": [
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M
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2202 2203
                      "children": [],
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2204 2205
                      "keywords_forbid": [],
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2206 2207 2208 2209 2210 2211
                    }
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                  {
                    " 游标": {
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M
cursor  
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2212 2213
                        "cursor",
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M
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2214
                      ],
M
on tree  
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2215 2216
                      "children": [],
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L
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2217 2218
                      "keywords_forbid": [],
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M
on tree  
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2219 2220 2221 2222
                    }
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                ],
                "keywords_must": [],
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2223
                "keywords_forbid": [],
M
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2224
                "group": 2
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on tree  
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2225 2226
              }
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M
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2227 2228 2229 2230 2231
            {
              "设计优化": {
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                "keywords": [],
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M
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2232 2233 2234 2235 2236 2237
                  {
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                      "keywords": [],
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L
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2238
                      "keywords_forbid": [],
M
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2239
                      "group": 2
M
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2240 2241
                    }
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M
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2242 2243 2244 2245 2246 2247
                  {
                    " 范式设计": {
                      "node_id": "mysql-bee8db3dd5354a42bb50277fe4cb2913",
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L
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2248 2249
                      "keywords_forbid": [],
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M
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2250 2251
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M
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2252 2253 2254
                  {
                    "反范式设计": {
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L
luxin 已提交
2255 2256 2257 2258
                      "keywords": [
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M
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2259 2260
                      "children": [],
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L
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2261 2262
                      "keywords_forbid": [],
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M
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2263 2264 2265 2266 2267
                    }
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                    "增加中间表": {
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M
view  
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2268 2269 2270 2271
                      "keywords": [
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                        "中间表"
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M
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2272 2273
                      "children": [],
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L
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2274 2275
                      "keywords_forbid": [],
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2276 2277
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                  {
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                  {
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                    "优化数据表": {
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                      "node_id": "mysql-f5775462ae784d44a4b2bce5f456311a",
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                      "keywords": [
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                  }
                ],
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              }
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            {
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                    "主从复制": {
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                    "多主复制": {
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                    }
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                      "keywords": [
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                      "keywords": [
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                    "HA高可用": {
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                  },
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              }
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                  {
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                      "keywords": [
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                  {
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                      "keywords": [
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                    }
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                    " EXPLAIN": {
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                      "keywords": [
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                    " PT-QUERY-DIGEST分析查询": {
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                    "子查询优化": {
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                      "keywords": [
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              "写优化": {
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                      "keywords": [
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