Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions
Mail Us support@pass4success.com
Location US
Mob_nav_barsMENU

Hitachi Vantara HCE-5920 Exam - Topic 4 Question 56 Discussion

Actual exam question for Hitachi Vantara's HCE-5920 exam
Question #: 56
Topic #: 4
[All HCE-5920 Questions]

In a PDI transformation you are retrieving data from a large lookup table using a Database Lookup step from improve performance, you enable caching in the step and use the Load all data from table option.

In this scenario, which three statement s are correct about the data flow of the 'Database Lookup step? (Choose three.)

Show Suggested Answer Hide Answer
Suggested Answer: A, B, C

by Lettie at Sep 18, 2024, 11:05 AM

Limited Time Offer

25%

Off

Get Premium HCE-5920 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

0/2000 characters
Submit Cancel
My
6 months ago
B is crucial, without enough heap space it won't work!
upvoted 0 times
...
Dorian
6 months ago
E seems off, you can have multiple matches but only one is used.
upvoted 0 times
...
Crissy
6 months ago
Wait, are cached comparisons really case sensitive?
upvoted 0 times
...
Andree
7 months ago
I disagree with D, multiple matches can happen.
upvoted 0 times
...
Frank
7 months ago
A and B are definitely correct!
upvoted 0 times
...
Giovanna
7 months ago
I feel like option D is tricky; I thought every input row could have multiple matches, but maybe that's not the case here.
upvoted 0 times
...
Maurine
7 months ago
I practiced a similar question where case sensitivity was mentioned, but I can't recall if it's true for cached comparisons.
upvoted 0 times
...
Jeffrey
7 months ago
I think option B is definitely correct because if there's not enough heap space, the lookup won't work properly.
upvoted 0 times
...
Cary
8 months ago
I remember something about caching, but I'm not sure if it only passes matching rows or if it can pass others too.
upvoted 0 times
...
Iluminada
8 months ago
I'm feeling pretty confident about this one. The caching and lookup behavior is something I've worked with before, so I should be able to identify the correct statements.
upvoted 0 times
...
Marsha
8 months ago
Okay, I think I've got a handle on this. The key is understanding how caching works in the Database Lookup step and the implications for performance and data flow.
upvoted 0 times
...
Hillary
8 months ago
Hmm, I'm a bit confused about the "Load all data from table" option. Does that mean the entire lookup table is loaded into memory? I'll need to double-check that.
upvoted 0 times
...
Kayleigh
8 months ago
This looks like a tricky question about database lookup caching. I'll need to carefully read through the options and think through the data flow.
upvoted 0 times
...
Lizbeth
8 months ago
This is a good opportunity to demonstrate my understanding of PDI data flow and lookup performance optimization. I'll make sure to read each option carefully.
upvoted 0 times
...
Latosha
8 months ago
Psychometric testing feels more like an HR function, and I'm pretty certain that deciding strategic objectives falls outside an operational line manager's duties.
upvoted 0 times
...
Magdalene
2 years ago
I believe statement D is correct, each input row should have only one matching row in the lookup table.
upvoted 0 times
...
Helene
2 years ago
I agree with statement B, we need enough memory to store lookup fields.
upvoted 0 times
...
Deja
2 years ago
I think statement A is correct because only matching rows are passed through.
upvoted 0 times
...
Margot
2 years ago
Hah, this question's got me scratching my head. I'll go with B, D, and E. Hopefully, I don't end up in the 'lookup table of shame'!
upvoted 0 times
...
Millie
2 years ago
Ah, the joys of database lookups! I'm feeling confident with A, B, and D. Can't forget the importance of that single match!
upvoted 0 times
...
Stefany
2 years ago
Hmm, let's see... I'd go with B, C, and E. The case sensitivity thing is a real gotcha, you know?
upvoted 0 times
Francoise
2 years ago
E) Only one matching row is used from the Lookup table.
upvoted 0 times
...
Leeann
2 years ago
C) Cached comparisons are case sensitive.
upvoted 0 times
...
Omer
2 years ago
B) There must be enough allocated heap space to store the lookup fields allocated heap space to store the lookup fields in memory.
upvoted 0 times
...
...
Della
2 years ago
Woah, this one's a toughie! But I think A, B, and E are the correct answers. Gotta love that caching, am I right?
upvoted 0 times
Lajuana
2 years ago
Yes, that's correct. Caching can make a big difference in data retrieval speed.
upvoted 0 times
...
Lili
2 years ago
I think you're right, A, B, and E are correct. Caching really helps with performance.
upvoted 0 times
...
...

Save Cancel