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Microsoft DP-900 Practice Test - Questions Answers, Page 23

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Question 221

(0)

What is a primary characteristic of a relational database?

Question 222

(0)

Which database transaction property ensures that individual transactions are executed only once and either succeed in their entirety or roll back?

Question 223

(0)

Select the answer that correctly completes the sentence.

Question 224

(0)

Which property of a transactional workload guarantees that each transaction is treated as a single unit that either succeeds completely or fails completely?

Question 225

(0)

Select the answer that correctly completes the sentence.

Question 226

(0)

Which database transaction property ensures that transactional changes to a database are preserved during unexpected operating system restarts?

Question 227

(0)

Select the answer that correctly completes the sentence.

Question 228

(0)

Select the answer that correctly completes the sentence.

Question 229

(0)

Select the answer that correctly completes the sentence.

Question 230

(0)

What is used to define a query in a stream processing jobs in Azure Stream Analytics?

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DRAG DROP Your company plans to load data from a customer relationship management (CRM) system to a data warehouse by using an extract, load, and transform (ELT) process. Where does data processing occur for each stage of the ELT process? To answer, drag the appropriate locations to the correct stages. Each location may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

DRAG DROP Match the database normalization terms to the appropriate descriptions. To answer, drag the appropriate term from the column on the left to its description on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

DRAG DROP Match the Azure Data Lake Storage terms to the appropriate levels in the hierarchy. To answer, drag the appropriate term from the column on the left to its level on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

HOTSPOT To complete the sentence, select the appropriate option in the answer area.

Which clause should you use in a SELECT statement to combine rows in one table with rows in another table?

You need to create a visualization of running sales totals per quarter as shown in the following exhibit. What should you create in Power BI Desktop?

HOTSPOT Select the answer that correctly completes the sentence.

DRAG DROP You have a table named Sales that contains the following data. You need to query the table to return the average sales amount per day. The output must produce the following results. How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point.

DRAG DROP Match the types of activities to the appropriate Azure Data Factory activities. To answer, drag the appropriate activity type from the column on the left to its Data Factory activity on the right. Each activity type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

What is a benefit of the Azure Cosmos DB Table API as compared to Azure Table storage?

Question 221

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What is a primary characteristic of a relational database?

A.

data is queried and manipulated by using a variant of the SQL language

B.

a flexible data structure

C.

a lack of dependencies between tables

D.

a large amount of duplicate data

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Question 222

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Which database transaction property ensures that individual transactions are executed only once and either succeed in their entirety or roll back?

A.

isolation

B.

durability

C.

atomicity

D.

consistency

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Question 223

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Select the answer that correctly completes the sentence.

A.

See the answer in explanation below

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Question 224

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Which property of a transactional workload guarantees that each transaction is treated as a single unit that either succeeds completely or fails completely?

A.

isolation

B.

durability

C.

consistency

D.

atomicity

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Question 225

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Select the answer that correctly completes the sentence.

A.

See the answer in explanation below

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Question 226

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Which database transaction property ensures that transactional changes to a database are preserved during unexpected operating system restarts?

A.

consistency

B.

durability

C.

isolation

D.

atomicity

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Question 227

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Select the answer that correctly completes the sentence.

A.

See the answer in explanation below

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Question 228

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Select the answer that correctly completes the sentence.

A.

See the answer in explanation below

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Question 229

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Select the answer that correctly completes the sentence.

A.

See the answer in explanation below

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Question 230

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What is used to define a query in a stream processing jobs in Azure Stream Analytics?

A.

XML

B.

KQL

C.

YAML

D.

SQL

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