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prisoha [69]
3 years ago
13

Give three reasons why you think ETL functions are mostchallenging in data warehouse environment.

Computers and Technology
1 answer:
adell [148]3 years ago
5 0

Answer:

Because of the nature of the source systems ETL functions are challenging.Reasons are as following:-

1. There are various source systems are very  and contrasting.

2. There is usually a requirement to deal with source systems on different platforms or Operating Systems.

3. Quality of data is uncertain in many old source systems that have developed gradually over time.

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Select the phrases that apply to Java classes or methods.
oee [108]

Answer:

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condiciones de prueba

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Explanation:

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In Python, if var1 = “Happy” and var2= “Birthday” and var3 = (var1+var2) *2, then var3 stores the string
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A

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Interpret the Department of Homeland Security’s mission, operations and responsibilities.
Shalnov [3]

Answer:

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The main responsibility of this department is that:

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When first defining the cloud, NIST gave three service models, which can be viewed as nested service alternatives: software as a
irakobra [83]

Answer:

Infrastructure.

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When first defining the cloud, National Institute of Standards and Technology (NIST) gave three (3) service models, which can be viewed as nested service alternatives;

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Additionally, the cloud service can either be deployed as private, public, hybrid or community service.

6 0
3 years ago
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