Oracle Exam 1Z0-071 Topic 12 Question 105 Discussion

Actual exam question for Oracle's 1Z0-071 exam

Question #: 105
Topic #: 12

[All 1Z0-071 Questions]

Examine the description of the PRODUCT_ DETAILS table:

Which two statements are true?

APRODUCT_ PRICE can be used in an arithmetic expression even if it has no value stored in it.

BPRODUCT_ ID can be assigned the PRIMARY KEY constraint.

CEXPIRY_ DATE cannot be used in arithmetic expressions.

DEXPIRY_ DATE contains the SYSDATE by default if no date is assigned to it.

EPRODUCT_ PRICE contains the value zero by default if no value is assigned to it.

FPRODUCT_ NAME cannot contain duplicate values.

Show Suggested Answer

Suggested Answer: A, B

by Daniel at Sep 13, 2024, 06:16 AM

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Jamika

2 months ago

F is a bit confusing. Why wouldn't PRODUCT_NAME be able to have duplicates? Isn't that a common requirement for product databases?

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Lorrine

1 months ago

Leana: That's a good point. In that case, we might need to use a different unique identifier for each product.

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Leana

1 months ago

But what if there are products with the same name but different attributes?

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Cecily

1 months ago

F is correct because PRODUCT_NAME is usually a unique identifier for products.

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Ressie

2 months ago

D is interesting. Does EXPIRY_DATE really contain SYSDATE by default? That could be a tricky gotcha if you're not expecting it.

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Tiffiny

1 months ago

It's always better to be safe than sorry when it comes to default values in databases.

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Gary

1 months ago

I always make sure to assign a specific date to EXPIRY_DATE to avoid any surprises.

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Selma

2 months ago

That's good to know. It can definitely catch you off guard if you're not aware of it.

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Brice

2 months ago

Yes, EXPIRY_DATE does contain SYSDATE by default.

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Wilbert

2 months ago

I disagree with both of you. I believe D is true because SYSDATE is automatically assigned to EXPIRY_DATE if no date is specified.

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Tequila

3 months ago

I agree with you, Catarina. I also think C is true because dates cannot be used in arithmetic expressions.

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Elliott

3 months ago

Wait, is EXPIRY_DATE the field for when the product expires, or when the exam expires? I always get those mixed up.

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Cherelle

3 months ago

B and E look good to me. PRODUCT_ID should definitely be the primary key, and PRODUCT_PRICE having a default of 0 makes sense.

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Ilona

2 months ago

Definitely, having unique values for PRODUCT_NAME is important for identification.

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Jacqueline

2 months ago

EXPIRY_DATE not being able to be used in arithmetic expressions is a limitation.

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Catherin

2 months ago

Yes, and having a default value of 0 for PRODUCT_PRICE is practical.

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Glory

2 months ago

Definitely, it's important to ensure each product has a unique name in PRODUCT_NAME.

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Jacquelyne

2 months ago

Yes, and having a default value of 0 for PRODUCT_PRICE simplifies data entry.

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Leota

2 months ago

I agree, PRODUCT_ID as the primary key is essential for uniqueness.

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Tracey

2 months ago

I agree, PRODUCT_ID as the primary key is essential for uniqueness.

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Catarina

3 months ago

I think B is true because PRODUCT_ID can uniquely identify each row.

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