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SAP C_HAMOD_2404 SAP Certified Associate - Data Engineer - SAP HANA Exam Practice Test

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Total 89 questions
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SAP Certified Associate - Data Engineer - SAP HANA Questions and Answers

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Question 1

What are the advantages of column store tables compared to row store tables? Note: There are 3 correct answers to this question.

Options:

A.

Higher data compression rates

B.

Improved write performance on frequent updates

C.

Additional indexes are used

D.

Parallel access is improved

E.

Higher performance for query operations

Question 2

Which solutions form the SAP Business Technology Platform? Note: There are 2 correct answers to this question.

Options:

A.

Analytics

B.

Intelligent Suite

C.

Experience Management

D.

Application Development & Integration

Question 3

You created a procedure to be consumed in an analytic privilege of the type DYNAMIC, but it isn’t working as expected.What could be the reason?Note: There are 2 correct answers to this question.

Options:

A.

No input parameter is specified

B.

You defined more than one output parameter

C.

The output parameter is defined as NVARCHAR

D.

The procedure is write-enabled

Question 4

What are the limitations of using a full outer join in a star join node?Note: There are 2 correct answers to this question.

Options:

A.

It must appear in the last DIMENSION in the star join node.

B.

It is restricted to one DIMENSION in a star join node.

C.

It CANNOT be mixed in the same star join node with other join types.

D.

Only one column can be included in the join condition.

Question 5

Which database features are typically NOT required by analytical applications that run on SAP HANA Cloud?Note: There are 2 correct answers to this question.

Options:

A.

Pre-calculated aggregates

B.

Indexes

C.

Stored procedures

D.

Table partitions

Question 6

You have imported a new calculation view in a folder that contains an .hdinamespace file. This calculation view consumes one data source, which is a table. When trying to deploy the calculation view, the deployment fails with a namespace-related issue.What could be the reason?Note: There are 2 correct answers to this question.

Options:

A.

The namespace used within the calculation view to reference the table is different from the actual namespace in the identifier of this table.

B.

The imported calculation view and its data source have different namespaces.

C.

An .hdinamespace file is defined in the SRC folder that specifies a different namespace property than the one in the identifier of the calculation view.

D.

The .hdinamespace specifies "sub-folder":"append", so calculation views can only be created in subfolders.

Question 7

In SAP HANA Cloud, which tasks are handled by the cloud provider?Note: There are 3 correct answers to this question.Sizing, provisioning, and monitoring the database

Options:

A.

Tuning the database to run optimally on the underlying operating system, and hardware

B.

Managing users, roles, and permissions in the database

C.

Backing up the operating system and the database software

D.

Installing, configuring, and upgrading the operating system

Question 8

You set the Null Handling property for an attribute but do not set a default value.What is displayed when null values are found in a column of data type NVARCHAR?

Options:

A.

B.

"?"

C.

"0"

D.

"Null"

Question 9

Why might you use the Keep Flag property in an aggregation node?

Options:

A.

To ensure that the aggregation behavior defined in the aggregation node for a measure CANNOT be overridden by a query

B.

To exclude columns that are NOT requested by a query to avoid incorrect results

C.

To include columns that are NOT requested by a query but are essential for the correct result

D.

To retain the correct aggregation behavior in stacked views

Question 10

What are some best practices when developing calculation views? Note: There are 2 correct answers to this question.

Options:

A.

Model star schemas using a sequence of join nodes.

B.

Aggregate at the lowest possible node.

C.

Include all data flow logic within one calculation view.

D.

Avoid defining joins on calculated columns.

Question 11

Two calculation views, A and B, are defined as shown in the diagram. Three analytic privileges have been granted to you.

When you preview calculation view A, what data do you see?

Options:

A.

US for P1 and GE for P1

B.

US for P1 and P2, and GE for P1 and P2

C.

US for P1

D.

US for P1 and P2, and GE for P2

Question 12

You have configured static cache for your calculation view and run a query against it, but the cache results are not being used.What might be the reason for this?

Options:

A.

The cache data retention period has expired.

B.

You did not define any columns in the cache setting.

C.

You did not define a filter in the cache setting.

D.

The query requests only a subset of the cached results.

Question 13

What are the consequences of NOT executing a delta merge?Note: There are 2 correct answers to this question.

Options:

A.

Read performance decreases.

B.

New records are not read.

C.

Memory is not optimized.

D.

Aggregates are not adjusted.

Question 14

At which levels of a project structure can you execute a deploy operation?Note: There are 2 correct answers to this question.

Options:

A.

Individual source file

B.

Entire workspace

C.

Sub-folder of a database module

D.

Individual container

Question 15

What is a restricted measure?

Options:

A.

A measure that can be consumed by a CUBE and not a DIMENSION.

B.

A measure that is filtered by one or more attribute values.

C.

A measure that can only be displayed by those with necessary privileges.

D.

A measure that cannot be referenced by a calculated column.

Question 16

What are some of the typical roles in an SAP HANA Cloud implementation?Note: There are 2 correct answers to this question.

Options:

A.

Data architect

B.

Modeler

C.

Kubernetes expert

D.

ABAP developer

Question 17

Which components are part of SAP HANA Cloud?Note: There are 2 correct answers to this question.

Options:

A.

SAP Analytics Cloud

B.

Data lake

C.

SAP HANA database

D.

SAP Enterprise Architecture Designer

Question 18

You have products that appear in table A and sometimes they also appear in table B. You want to select the products that appear ONLY in table A. Which node type do you use?

Options:

A.

Aggregation

B.

Minus

C.

Intersect

D.

Union

Question 19

Why would you use the Transparent Filter property in a calculation view?

Options:

A.

To include columns that are NOT requested by a query

B.

To avoid columns being unnecessarily used in an aggregation

C.

To apply filters that are hidden from the end user

D.

To allow filter push-down in stacked calculation views

Question 20

Which of the following techniques can you use to improve the performance of calculation views?Note: There are 2 correct answers to this question.

Options:

A.

Avoid aggregating data early in the data flow.

B.

Partition large tables.

C.

Limit the number of stacked calculation views.

D.

Implement union pruning.

Question 21

Why would you use parameter mapping in a calculation view?Note: There are 2 correct answers to this question.

Options:

A.

To pass variable values to external value help views

B.

To assign variables to one or more attributes

C.

To push down filters to the lowest level calculation views

D.

To convert the data types of input parameters

Question 22

You combine two customer master data tables with a union node in a calculation view. Both master data tables include the same customer name.How do you ensure that each customer name appears only once in the results?

Options:

A.

Define a restricted column in a union node.

B.

In the union node, map both source customer name columns to one target column.

C.

Add an intersect node above the union node.

D.

Include an aggregation node above the union node.

Question 23

What can you identify using Performance Analysis mode?Note: There are 2 correct answers to this question.

Options:

A.

Usage statistics of the calculation view

B.

Joins that are defined on calculated columns

C.

Information about join cardinality

D.

Expected memory consumption

Question 24

You want to map an input parameter of calculation view A to an input parameter of calculation view B using the parameter mapping feature in the calculation view editor.

However, the input parameters of calculation view B are not proposed as source parameters. What might be the reason for this?

Options:

A.

You already mapped the input parameters in another calculation view.

B.

The names of the input parameters do not match.

C.

You selected the wrong parameter mapping TYPE.

D.

Your source calculation view is of type DIMENSION.

Question 25

You have imported calculation views from SAP HANA on-premise to SAP HANA Cloud.Why should you switch calculated column expression language from column engine to SQL?

Options:

A.

To benefit from additional SQL optimizations

B.

Incorrect aggregations may be generated

C.

Column engine language is not supported.

D.

To define limits for query unfolding

Question 26

In a calculated column, which object do you use to process a dynamic value in an expression?

Options:

A.

Variable

B.

Input Parameter

C.

Procedure

D.

Table function

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