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Your enterprise is creating a relation (shown in the exhibit) that tracks parts and suppliers.
Which situation would occur if new supplier information were entered in the relation before any
information about specific parts?
Suggested Answer: C
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30 comments · newest first
SH
Sharita
11 months ago
Surprised this isn't more straightforward!
JE
Jeffrey
11 months ago
I think A is overkill, just an insertion anomaly.
LA
Lasandra
11 months ago
Wait, how can there be a deletion anomaly if no parts exist yet?
SH
Shawn
12 months ago
I agree, B seems right!
EL
Elmer
12 months ago
Definitely an insertion anomaly would happen.
SK
Skye
12 months ago
I’m leaning towards option A because it sounds like both an update and insertion anomaly could happen, but I could be mixing up the definitions.
LE
Lenita
1 year ago
I vaguely remember something about deletion anomalies, but I don’t think that applies here since we’re adding info, not removing it.
SO
Sommer
1 year ago
This reminds me of a practice question where we discussed update and insertion anomalies. I feel like option B might be correct.
CH
Cherry
1 year ago
I think if we enter supplier info without parts, it could lead to an insertion anomaly, but I'm not entirely sure.
LE
Lettie
1 year ago
I'm feeling pretty confident about this one. The key is to understand how the relation is structured and what happens when you introduce new data in a specific order.
KY
Kyoko
1 year ago
Okay, I've got a strategy here. I'll consider the different types of anomalies and how they could occur in this scenario. Gotta be careful not to overthink it.
RE
Rebecka
1 year ago
Hmm, I'm a bit confused by the question. I'll need to re-read the prompt and really understand the implications of adding new supplier information before part information.
CA
Catherin
1 year ago
This looks like a classic database design question. I'll need to carefully analyze the relation and think through the potential anomalies.
ED
Edna
1 year ago
Deletion anomaly? More like a 'delete everything and start over' kind of situation. Time to call the IT crowd!
MI
Ming
1 year ago
C) A deletion anomaly would occur.
DI
Dick
1 year ago
B) An insertion anomaly would occur.
MA
Marion
1 year ago
A) An update anomaly and an insertion anomaly would occur.
AN
Antonette
1 year ago
Wait, so we're creating a relation without any parts? Sounds like a party where no one shows up. Not a good look.
LO
Loren
1 year ago
D) A deletion anomaly and an update anomaly would occur.
SC
Scarlet
1 year ago
B) An insertion anomaly would occur.
LI
Lino
1 year ago
A) An update anomaly and an insertion anomaly would occur.
AL
Allene
2 years ago
I'm pretty sure an update anomaly will happen too. Gotta love those database quirks, am I right?
HA
Harrison
1 year ago
Yeah, it's always tricky to manage data relationships in databases.
ST
Stefania
1 year ago
B) An insertion anomaly would occur.
DE
Derick
1 year ago
I agree, it's important to enter information in the correct order to avoid issues.
WH
Whitney
1 year ago
A) An update anomaly and an insertion anomaly would occur.
TE
Terry
2 years ago
If we add supplier info before parts, we'll have an insertion anomaly for sure. That's a big no-no in database design!
BR
Brice
2 years ago
I believe option B is the correct answer then, as it mentions an insertion anomaly.
IS
Isabelle
2 years ago
I agree with you, William. It could lead to data inconsistency and errors.
WI
William
2 years ago
I think if new supplier information is entered before parts, there could be an insertion anomaly.