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CERTIFIED-DATA-ENGINEER-PROFESSIONAL · Question #39
CERTIFIED-DATA-ENGINEER-PROFESSIONAL Question #39: Real Exam Question with Answer & Explanation
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Optimizing Data Lakehouse Performance
Question
Which of the following is true of Delta Lake and the Lakehouse?
Options
- ABecause Parquet compresses data row by row. strings will only be compressed when a character
- BDelta Lake automatically collects statistics on the first 32 columns of each table which are
- CViews in the Lakehouse maintain a valid cache of the most recent versions of source tables at all
- DPrimary and foreign key constraints can be leveraged to ensure duplicate values are never
- EZ-order can only be applied to numeric values stored in Delta Lake tables
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Topics
#Delta Lake#Data Skipping#Performance Optimization#Table Statistics