A temp view is a pointer.

The information for a temp view is stored in the spark catalog

You can drop a temp view with

spark.catalog.dropTempView("view_name")

You could also drop a temp view in a sql cell with

DROP TABLE "temp_view_name"

Here is some code to demonstrate

df = spark.sql("select 1 id") # creates a dataframe

df.createOrReplaceTempView("temp_test") # registers it as a temp view

spark.catalog.listTables() # Shows all tables including temp views

spark.catalog.dropTempView("temp_test") # drops the temp view

Note that the dataframe still exists, display(df) to verify. The tempview is merely a pointer to the dataframe.

If you are using sql the sample code would look something like this.

CREATE TEMPORARY VIEW temp_test as select 1; --Creates the view

Drop table temp_test; --drops the view