000-349 · Question #5
One way to modify a type tree to increase performance is to:
The correct answer is A. eliminate the specification of groups when not necessary. Eliminating unnecessary group specifications in a WTX type tree reduces parsing overhead and improves map execution performance.
Question
One way to modify a type tree to increase performance is to:
Options
- Aeliminate the specification of groups when not necessary.
- Breduce the number of categories whenever necessary.
- Creduce the length of the names of groups and elements.
- Djoin referenced text fields and then use the Substring map function.
How the community answered
(66 responses)- A76% (50)
- B8% (5)
- C12% (8)
- D5% (3)
Why each option
Eliminating unnecessary group specifications in a WTX type tree reduces parsing overhead and improves map execution performance.
Groups in a WTX type tree introduce structural overhead that the transformation engine must evaluate during parsing and mapping. When groups are not functionally required, removing them simplifies the type tree and reduces the processing burden on the engine, directly improving performance.
Reducing the number of categories is not a recognized type tree optimization technique and does not directly address the parsing overhead that degrades performance.
The length of group and element names has negligible impact on map execution performance, as name resolution is handled internally and is not a significant processing cost.
Joining referenced text fields and applying the Substring map function is a data manipulation technique, not a type tree structural optimization that improves parsing performance.
Concept tested: WTX type tree performance optimization via group removal
Source: https://www.ibm.com/docs/en/wtx
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