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Which characteristic is true for non-relational databases?
Suggested Answer: A
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Non-relational databases (also called NoSQL databases) are designed for handling big data and unstructured data efficiently. They are optimized for horizontal scaling, making them ideal for large-scale distributed systems.
Option A (Correct): Non-relational databases are optimized for big data, handling massive volumes of data across distributed architectures.
Option B (Incorrect): NoSQL databases do not use SQL as their primary query language. They often use JSON-based queries (e.g., MongoDB).
Option C (Incorrect): Transaction-heavy applications require ACID compliance, which relational databases (SQL) handle better than NoSQL databases.
Option D (Incorrect): NoSQL databases use document, key-value, graph, or column-family storage models, not tables, columns, and rows like relational databases.
29 comments · newest first
JO
Joanna
6 months ago
D is definitely wrong. They don't use tables like relational ones.
EL
Elina
6 months ago
C is misleading. Non-relational databases aren't for strict transactions.
AL
Aliza
6 months ago
Exactly, Marylin! A is the best choice here.
MA
Marylin
6 months ago
B is not true. Non-relational databases don’t use SQL.
JU
Juan
7 months ago
I agree, A makes sense. They scale easily.
VI
Vinnie
7 months ago
I think A is correct. Non-relational databases handle big data well.
IR
Ira
7 months ago
D sounds too much like relational databases to me.
CE
Cecily
8 months ago
Wait, are you sure about A?
FA
Fabiola
8 months ago
Totally agree with A!
LA
Lauran
8 months ago
A) They are optimized for big data.
EL
Elizabeth
8 months ago
D) They store data in tables, columns, and rows, similar to a spreadsheet. Haha, that's the complete opposite of non-relational databases!
KA
Kayleigh
8 months ago
A) They are optimized for big data. Bingo! That's the key characteristic of non-relational databases.
MO
Monte
8 months ago
C) They are ideal for databases that require an accurate record of transactions. Nah, that's more for relational databases.
LA
Laurena
9 months ago
A) They are optimized for big data. Definitely the right answer, non-relational databases are built for handling large, unstructured datasets.
XU
Xuan
9 months ago
A) They are optimized for big data.
CL
Clay
9 months ago
I know non-relational databases don't store data in tables like relational ones, so D should be ruled out for sure.
JI
Jill
9 months ago
I feel like non-relational databases are great for flexibility, but I can't recall if they really excel in transaction accuracy like relational ones do.
CA
Cassandra
9 months ago
I remember practicing a question where non-relational databases were described as not using SQL, so I think option B is definitely incorrect.
RU
Rupert
9 months ago
I think non-relational databases are often optimized for big data, but I'm not entirely sure if that's the only characteristic.
CH
Christiane
10 months ago
I'm pretty confident A is the right answer. Non-relational databases are optimized to handle large, unstructured datasets, which is a key advantage over traditional relational databases.
SA
Salena
10 months ago
Okay, I've got a strategy here. Non-relational databases are often called "NoSQL" databases, so they likely don't use the traditional table-based structure like a SQL database. I'm going with A.
SH
Shaniqua
10 months ago
B is wrong, non-relational doesn't use SQL.
AL
Alyce
11 months ago
Hmm, I'm a bit confused on this one. I know non-relational databases don't use the SQL language, but I'm not sure if that's the key characteristic. I'll have to think this through carefully.
MA
Margret
11 months ago
I think the answer is A. Non-relational databases are designed to handle large amounts of unstructured data, which is perfect for big data applications.
AN
Annice
5 months ago
A is still the best choice for big data scenarios.
LU
Luisa
6 months ago
True, but non-relational databases often use different query languages.
QU
Quentin
6 months ago
But what about B? SQL is pretty common.
AN
Annalee
10 months ago
I agree, A seems right. Big data needs flexibility.
LA
Latrice
10 months ago
Definitely! Non-relational is all about handling large datasets.