Q:

A column defined as UNIQUE can contain Nulls while a column defined as PRIMARY KEY can't contain Nulls

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

Because a table can have only one primary key

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Subject: Oracle Certification
Job Role: Database Administration

1 4489

Q:

Hepatitis virus destroys the cells and may cause the disease

A) Jaundice	B) Malaria
C) Typhoid	D) Elephantiasis

Answer & Explanation Answer: A) Jaundice

Explanation:

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Filed Under: Biology

7 4489

Q:

Which of the following is the mixture

A) distilled water	B) gasoline
C) liquified petroleum gas	D) both (b) & (c)

Answer & Explanation Answer: D) both (b) & (c)

Explanation:

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Filed Under: Chemistry

3 4487

Q:

With which Bank Google has tied up for its mobile payments app Tez?

A) SBI Bank	B) Axis Bank
C) HDFC Bank	D) PNB Bank

Answer & Explanation Answer: A) SBI Bank

Explanation:

Internet giant Google has tied up with State Bank of India (SBI) for its mobile payments app Tez. Through this partnership, Google Tez will allow users to create an SBI UPI Id - @oksbi and get access.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

How many kilometers and represented by $1^{o}$ of latitude?

A) 321 km	B) 211 km
C) 111 km	D) 91 km

Answer & Explanation Answer: C) 111 km

Explanation:

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Filed Under: World Geography

2 4486

Q:

Gases used in normal welding?

A) Oxygen and Acetylene	B) Acetylene and Nitrogen
C) Oxygen, Hydrogen and Acetylene	D) Oxygen and Hydrogen

Answer & Explanation Answer: A) Oxygen and Acetylene

Explanation:

Normal Gas welding use oxygen-acetylene.

Depending on what materials you are welding, there are some more options that might be used.

For example - MIG/TIG use Argon, MAG use an argon-something mix.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Which tree yields wood called porcupine wood?

Answer

The Coconut tree

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Subject: General Awareness

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Q:

The Bhakra Nangal Multipurpose proje3ct is a joint venture of _____

A) Punjab and Haryana only	B) Punjab,Haryana and Rajasthan only
C) Punjab, Haryana, Rajasthan and Himachal Pradesh	D) Punjab and Himachal Pradesh only

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