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Answer: Parquet files have a well-defined schema
Parquet files store schema information as part of their metadata, which is a key advantage over CSV files (which do not store schema). This makes it easier and more reliable to create external tables from Parquet files using CTAS in Databricks.
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When utilizing a CREATE TABLE AS SELECT (CTAS) statement in a Databricks environment, which of the following benefits specifically pertains to creating an external table from Parquet files instead of CSV files?
A
Parquet files can be partitioned
B
CREATE TABLE AS SELECT statements cannot be used on files
C
Parquet files have a well-defined schema
D
Parquet files have the ability to be optimized
E
Parquet files will become Delta tables
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