spark接入mysql，檢視源端資料

driver = "org.mariadb.jdbc.Driver"

database_host = "<database-host-url>"
database_port = "3306" # update if you use a non-default port
database_name = "<database-name>"
table = "<table-name>"
user = "<username>"
password = "<password>"

url = f"jdbc:mysql://{database_host}:{database_port}/{database_name}"

print(url)

display(spark.read
    .format("jdbc")
    .option("driver", driver)
    .option("url", url)
    .option("dbtable", table)
    .option("user", user)
    .option("password", password)
    .load())