Vectorized Execution
Vectorized execution moves batches of values between query operators instead of single rows — spreading call overhead thin and keeping the CPU’s work in cache.
Vectorized execution moves batches of values between query operators instead of single rows — spreading call overhead thin and keeping the CPU’s work in cache.
Columnar storage keeps each column’s values together so a query reads only the columns it names — at the price of expensive row lookups and small writes.