What is the correct method to inject Python variables `table_name` and `database_name` into a SQL query for execution using PySpark?

Real Exam

spark.sql(f“SELECT * FROM [database_name].[table_name]“)*

4.8%

spark.sql(f“SELECT * FROM {database_name}.{table_name}“)*

89.7%

spark.sql(f“SELECT * FROM (database_name).(table_name)“)*

3.2%

spark.sql(f“SELECT * FROM {database_name}+{table_name}“)*

2.4%

spark.sql(“SELECT * FROM .“)*

Databricks Certified Data Engineer - Associate