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Oracle Exam 1Z0-1096-23 Topic 10 Question 30 Discussion

Actual exam question for Oracle's 1Z0-1096-23 exam
Question #: 30
Topic #: 10
[All 1Z0-1096-23 Questions]

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?

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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 Yolando at Sep 12, 2024, 09:19 PM

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Yuriko
2 months ago
I'm not sure about this. I think it might return an error because the column names in the SQL command don't match the actual column names in the table.
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Craig
2 months ago
I agree with German. The SQL command is using the MEDIAN function to calculate the median credit limit for each marital status group.
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Corinne
3 months ago
I wonder if the data has any null values in the cust_credit_limit column. That could cause some issues with the MEDIAN function.
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Lisha
2 months ago
I hope there are no null values in the cust_credit_limit column to avoid any issues with the MEDIAN function.
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Sabra
2 months ago
C) It will return the marital status and credit limit of each customer.
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Diane
2 months ago
A) It will return a customer's marital status and credit limit grouped by marital status
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German
3 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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Tori
3 months ago
Haha, I bet the answer is going to be something like 'It will return the median value of customer credit limit grouped by marital status.' That's just too easy!
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Yvonne
3 months ago
This is a straightforward SQL question. The MEDIAN function will give us the median credit limit for each marital status group.
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Cornell
3 months ago
I think option D is the correct answer. The question specifically mentions the MEDIAN function, so that's what we should look for.
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Armando
2 months ago
I think option A is the right answer, it mentions grouping by marital status.
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Erick
2 months ago
But what if it returns an error instead?
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Dorothy
3 months ago
I agree with you, option D seems to be the correct answer.
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Sabra
3 months ago
The MEDIAN function seems like the right choice here. Let's see if it works!
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Tess
2 months ago
D) It will return the median value of customer credit limit grouped by marital status.
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Tess
3 months ago
A) It will return a customer's marital status and credit limit grouped by marital status
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