Writing to Delta Table with Spark 3 (much easier!)
.writeTo actually creates (lots of overloads available) a delta table in the correct database and location, no parameters are required.
val df = spark.sparkContext.parallelize(Seq(
(1, "one"),
(2, "two")
)).toDF("id", "name")
df.writeTo("shared.idname").createOrReplace()
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