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Coalesce can only use a single field to uniquely identify a record.
Suggested Answer: A
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13 comments · newest first
HE
Herman
12 months ago
I’m surprised by that, I always thought it was more flexible!
XU
Xuan
12 months ago
Yup, only one field for unique identification.
CH
Charlette
1 year ago
Wait, really? I thought it could combine fields for uniqueness.
CA
Carry
1 year ago
I disagree, it can handle multiple fields in some cases.
TI
Tiffiny
1 year ago
That's true, coalesce does use a single field.
LI
Lili
1 year ago
I feel like I’ve seen examples where coalesce is used with just one field, but I might be mixing it up with something else.
SU
Suzi
1 year ago
I’m a bit confused about this one. I thought coalesce was about combining fields, not just one.
TA
Tarra
1 year ago
I remember a practice question where it mentioned that coalesce can handle multiple fields, so I think the answer is False.
ME
Melita
1 year ago
I think coalesce can actually work with multiple fields, but I'm not completely sure.
DE
Dewitt
1 year ago
This question seems straightforward. I'll start by checking the Work Hours configuration and make sure the days being optimized are properly set up.
MO
Monte
1 year ago
I remember there being an issue with the XML profile in a similar practice question. Could it be related to that?
DE
Delsie
1 year ago
I'm pretty sure BFD is involved in detecting those quick link failures. It sets up on the IPsec tunnels, right?
HO
Horace
1 year ago
I'm pretty confident about this one. The key is to use the appropriate function to handle the potential for NULL values in the CUST_CREDIT_LIMIT column.