Data Terms Advanced Quiz 3
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Quiz 3
1. What is a "Materialized View"?
A saved SQL query
A dashboard chart
Stored query results for faster access
2. What is "Predicate Pushdown"?
Move filters closer to the data
Sort data in descending order
Delete rows that fail conditions
3. What is "Query Pruning"?
Delete unused queries
Skip unnecessary data partitions
Shorten column names
4. What does "Indexing" do?
Compress data
Speed up data entry
Enable faster data lookup
5. What is "Cache Invalidation"?
Remove or update stale cache data
Crash the cache
Store data indefinitely
6. What is a "Bloom Filter"?
Tool for cleaning dirty data
Probabilistic structure for set membership
Index for images
7. What is "Backpressure"?
Pressure in a cooling system
Accidental database deletion
Signal to slow data flow when overloaded
8. What is "Parallel Processing"?
Execute tasks at the same time
Run two databases simultaneously
Two people editing one query
9. What is "Lazy Loading"?
Developer delays work
Load data only when needed
Load data only on weekends
10. What is "Cold Start"?
Start a server in cold weather
Recover from a backup
Delay when a function runs after idle
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