Delta Lake
Delta tables add ACID transactions and time travel to data lakes.
What you will be able to do
- Write with delta format.
- Use MERGE for upserts.
- Query history.
In plain English
Delta tables add ACID transactions and time travel to data lakes.
- Write with delta format.
- Use MERGE for upserts.
- Query history.
CREATE TABLE lessons USING DELTA AS SELECT * FROM staging.lessons;
SELECT * FROM lessons VERSION AS OF 2;Your turn
EasyExplain it back
Answer from memory: What does Delta add to Parquet?
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Knowledge checkQuestion 1
What does Delta add to Parquet?
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