获取所有数据库名、所有表名、所有字段名

'''获取所有数据库名、所有表名、所有字段名'''
# https://blog.csdn.net/lingxyd_0/article/details/18356407

str_sql = '''
    SELECT * FROM SysObjects WHERE XType = 'U'
'''

df_sysobjects = pd.read_sql(
    sql=str_sql,
    con=pymmsql_connect_sh
)

df_sysobjects.query('''
    name.str.contains('unqualified', case=False)
''').name.to_list()