[英]Failed to connect: access denied for user - MySQL DB hosted in AWS RDS
我正在尝试连接到 AWS 中托管的 MySQL 数据库以获取 shiny 仪表板,但没有成功。 它Access denied for user
:
很抱歉,我无法生成 reprex,因为我无法控制 aws 基础架构。 任何有关从 R 调试云数据库连接的建议将不胜感激。
这是 R 代码:
con <- DBI::dbConnect(RMariaDB::MariaDB(),
host = "xxxxx.eu-west-1.rds.amazonaws.com",
dbname = "my_schema",
user = "my_user",
password = "my_pw",
port = 3306)
我知道我可以从 ip 连接到主机,因为我能够从 Power BI 和 Python 访问数据库。
来自 Power BI:
从 python 开始:
import mysql.connector as mysql
from tabulate import tabulate
HOST = "xxxxx.eu-west-1.rds.amazonaws.com"
DATABASE = "my_schema"
USER = "my_user"
PASSWORD = "my_pw"
db_connection = mysql.connect(host=HOST, database=DATABASE, user=USER, password=PASSWORD)
cur = db_connection.cursor(buffered=True)
cur.execute("SELECT * FROM my_table")
rows = cur.fetchall()
print(tabulate(rows, headers=cur.column_names))
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