Oracle Exam 1Z0-1096-23 Topic 3 Question 24 Discussion

Actual exam question for Oracle's 1Z0-1096-23 exam

Question #: 24
Topic #: 3

Examine the SQL command: SQL> SELECT CUST_MARITAL_STATUS,MEDIAN(CUST_CREDIT_LIMIT) FROM SH.CUSTOMERS GROUP BY CUST_MARITAL_STATUS; Which statement is true about running this command where the table has columns cust_maritax._status3 (VARCHAR2) and cust_credit_limit (number) with 100k rows of non-null data?

AIt will return a customer's marital status and credit limit grouped by marital status

BIt will return an error.

CIt will return the marital status and credit limit of each customer.

DIt will return the median value of customer credit limit grouped by marital status.

Show Suggested Answer

Suggested Answer: D

Running this command will return the median value of customer credit limit grouped by marital status2.

The MEDIAN function is an aggregate function that returns the middle value of a numeric column for each group or partition.If the number of values is even, it returns the average of the two middle values2.

The GROUP BY clause is used to divide the rows of a table into groups that have the same values in the specified columns.The aggregate functions are applied to each group separately and the result is returned for each group3.

by Ling at Jul 03, 2024, 11:15 PM

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Julene

9 months ago

I believe the correct answer is D) It will return the median value of customer credit limit grouped by marital status, based on the information provided.

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Staci

9 months ago

D, no doubt about it. Median credit limits by marital status - that's exactly what the query is asking for. Though I do wish they'd use something other than 'CUST_MARITAL_STATUS' for the column name. Sounds like a bad romance novel.

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Carmela

8 months ago

I agree, it does sound like a bad romance novel. But D is definitely the correct option here.

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Carmela

8 months ago

D) It will return the median value of customer credit limit grouped by marital status.

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Carmela

8 months ago

A) It will return a customer's marital status and credit limit grouped by marital status

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Emile

8 months ago

I agree, it does sound like a bad romance novel. But at least the query is clear in what it's trying to achieve.

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Emile

9 months ago

D) It will return the median value of customer credit limit grouped by marital status.

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Emile

9 months ago

A) It will return a customer's marital status and credit limit grouped by marital status

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Deane

9 months ago

I'm not sure, but I think it might be A) It will return a customer's marital status and credit limit grouped by marital status.

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Jeff

10 months ago

I'm gonna have to go with D on this one. MEDIAN() is a valid function in SQL, and the GROUP BY will give us the median credit limit for each marital status. Easy peasy!

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Emiko

10 months ago

Well, this is a tricky one. I'm going to go with B - it will return an error. The MEDIAN() function is not a valid function in SQL, so the query should fail.

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Estrella

9 months ago

I think you're right. The MEDIAN() function is not valid in SQL.

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Estrella

9 months ago

B) It will return an error.

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Vicente

10 months ago

I agree with Brittni, because the SQL command includes the MEDIAN function.

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Carol

10 months ago

Definitely D. The MEDIAN() function is the key here, and the GROUP BY clause will give us the median credit limit for each marital status.

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Edna

9 months ago

User 1

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Gracie

9 months ago

User 2

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Billy

9 months ago

User 1

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Brittni

10 months ago

I think the answer is D) It will return the median value of customer credit limit grouped by marital status.

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Elise

10 months ago

I think the answer is D. The MEDIAN() function is used to calculate the median value of a set of numbers, and the query is grouping the results by marital status, so it should return the median credit limit for each marital status.

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Merrilee

9 months ago

User 2

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Izetta

9 months ago

User 1

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