IBM
A2090-614 · Question #73
Given the following database design: A Explain plan shows that a broadcast join is being used by a query that joins the DATE_DIM dimension table and the SALES fact table. Which action should be…
The correct answer is B. Create a replicated summary table for the DATE_DIM table using the table space TS_REPL. See the full explanation below for the reasoning.
Question
Given the following database design:
A Explain plan shows that a broadcast join is being used by a query that joins the DATE_DIM dimension table and the SALES fact table. Which action should be performed to improve query performance?
Options
- ACreate a replicated summary table for the SALES table using the table space TS_REPL.
- BCreate a replicated summary table for the DATE_DIM table using the table space TS_REPL.
- CCreate an index on both the DATE_DIM and the SALES table for the column that is used in the
- DCreate a replicated summary table for the SALES table using the table space TS_DIM and create
How the community answered
(41 responses)- A15% (6)
- B73% (30)
- C7% (3)
- D5% (2)
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