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Which statement regarding Spark configuration on the Databricks platform is true?
Given the following code block in a notebook
db_password = dbutils.secrets.get(scope="dev", key="database_password")
print (db_password)
Which statement describes what will happen when the above code is executed?
Which of the following statements correctly describes the sys.path Python variable ?
A junior data engineer is using the following code to de-duplicate raw streaming data and insert them in a target Delta table
1. spark.readStream
2. .table("orders_raw")
3. .dropDuplicates(["order_id", "order_timestamp"])
4. .writeStream
5. .option("checkpointLocation", "dbfs:/checkpoints")
6. .table("orders_unique")
A senior data engineer pointed out that this approach is not enough for having distinct records in the target table when there are late-arriving, duplicate records.
Which of the following could explain the senior data engineer’s remark?
What is true for Delta Lake?
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