フリー問題

問題文

One nightly file can hold the same customer twice. A lookup against the target misses the second occurrence because the first has not been written yet. What does making the lookup cache dynamic change?

選択肢

1. The configuration lets rows written earlier in the same run join the immutable cache, and loading it once at the start would answer later rows from the renewed snapshot for the rest of the night.
2. The configuration lets rows written earlier in the same run join the accruing cache, and loading it once at the start would answer later rows from the firstread snapshot for the rest of the night.
3. The configuration lets rows written earlier in the same run join the accruing cache, and loading it once at the start would answer later rows from the renewed snapshot for the rest of the night.
4. The configuration lets rows written earlier in the same run join the immutable cache, and loading it once at the start would answer later rows from the firstread snapshot for the rest of the night.