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

Demo: 24 questions
Total 80 questions

SAP Certified Associate - Data Engineer - SAP HANA Questions and Answers

Question 1

A calculation view includes a rank node that uses the source data and settings shown in the graphic. Your query requests all columns of the rank node. How many rows are in the output of your query?

Options:

A.

6

B.

9

C.

2

D.

5

Question 2

What are some of the restrictions that apply when defining parallelization blocks in calculation views? Note: There are 2correct answers to this question.

Options:

A.

Multiple blocks can be defined only within a single calculation view.

B.

The block must have only one start node.

C.

The block must start with a node that defines a table as a data source.

D.

Only one block can be defined across a stack of calculation views.

Question 3

You want to join two tables in a calculation view. Why do you use a non-equi join?

Options:

A.

Join columns have different data types.

B.

The number of joined columns is different in each table.

C.

The join condition is not represented by matching values.

D.

Join columns need to be ignored when NOT requested by the query.

Question 4

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 query requests only a subset of the cached results.

B.

You did not define a filter in the cache setting.

C.

Your cache setting does not specify any columns.

D.

The cache data retention period has expired.

Question 5

Why do you use the Hidden Columns checkbox in the semantics node of your calculation view? Note: There are 2correct answers to this question.

Options:

A.

To avoid exposing sensitive columns when defining calculated columns

B.

To prevent passing columns in stacked calculation views

C.

To ensure specific columns are NOT exposed to the reporting tool

D.

To remove a column that is also used as a Label column

Question 6

What options do you have to handle orphan nodes in your hierarchy? Note: There are 2correct answers to this question.

Options:

A.

Assign them to a parent determined by an expression.

B.

Assign them to a leaf level node.

C.

Assign them to an existing node at the root level.

D.

Define them as additional root nodes.

Question 7

You have defined a pruning configuration table in a calculation view. What are you attempting to prune from the query execution?

Options:

A.

Data sources of unions

B.

Joins

C.

Calculated columns

D.

Filters

Question 8

Which of the following approaches might improve the performance of joins in a CUBE calculation view? Note: There are 2correct answers to this question.

Options:

A.

Specify the join cardinality.

B.

Limit the number of joined columns.

C.

Define join direction in a full outer join.

D.

Use an inner join.

Question 9

You created a calculation view that combines two tables in a join node. To improve the runtime of your calculation view, you use a referential join to prune data sources.

How do you check if pruning occurs? Note: There are 2correct answers to this question.

Options:

A.

Check the SQL query generated by the Data Preview.

B.

Use the SQL Analyzer to identify the tables used.

C.

Enable the Debug Query mode to identify the source columns used.

D.

Observe which columns are mapped using the Performance Analysis mode.

Question 10

Why would you implement SQL in calculation views? Note: There are 2correct answers to this question.

Options:

A.

To increase the possibilities for consumption

B.

To fine-tune performance

C.

To implement custom functions

D.

To define dynamic analytic privileges

Question 11

You have created a calculation view query snapshot and you want to generate an interface view. What is the purpose of the generated input parameter of the interface view?

Options:

A.

To map the attributes of the interface view to the original calculation view attributes

B.

To allow the user to select whether to run a query on the snapshot table or on the original calculation view

C.

To define the selection criteria used during the scheduled insertion of records into the snapshot table

D.

To evaluate the analytic privileges of different users who access the snapshot table

Question 12

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 P2, and GE for P1 and P2

B.

US for P1

C.

US for P1 and GE for P1

D.

US for P1 and P2, and GE for P2

Question 13

Referring to the diagram, which privileges would a user require to view United States data when querying the CUBE calculation view?

Options:

A.

A SELECT privilege and an Analytic Privilege (Country United States) on the CUBE calculation view

B.

A SELECT privilege on the CUBE calculation view and an Analytic Privilege (Country United States) on the DIMENSION calculation view

C.

SELECT privileges and Analytic Privileges (Country United States) on both views

D.

A SELECT privilege and an Analytic Privilege (Country United States) on the DIMENSION calculation view

Question 14

Which project structure object corresponds to a unique HDI container?

Options:

A.

A project

B.

An src folder

C.

A space

D.

A database module

Question 15

In a calculation view, why would you choose the DEPRECATED setting? Note: There are 2correct answers to this question.

Options:

A.

To warn developers that the calculation view is no longer supported

B.

To indicate that it should not be used as a data source to other calculation views

C.

To lock the calculation view from further modifications

D.

To redirect queries on this calculation view to another one

Question 16

In an XS Advanced project, what is the purpose of the .hdiconfig file?

Options:

A.

To specify in which space the container should be deployed

B.

To specify an external schema in which calculation views will get their data

C.

To specify which HDI plug-ins are available

D.

To specify the namespace rules applicable to the names of database objects

Question 17

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

Options:

A.

Usage statistics of the calculation view

B.

Expected memory consumption

C.

Information about join cardinality

D.

Joins that are defined on calculated columns

Question 18

Why would you use an anonymous block when writing SQLScript?

Options:

A.

To check the results without applying user privileges.

B.

To test your code without generating a logic container.

C.

To hide the actual tables by using aliases in the code.

D.

To execute a statement without creating entries in the database log.

Question 19

Which of the following tasks are necessary to implement data replication?Note: There are 3correct answers to this question.

Options:

A.

Enable the linked database feature

B.

Create a remote subscription

C.

Create a target table

D.

Define a flowgraph

E.

Create a virtual table

Question 20

What is the purpose of a remote subscription?

Options:

A.

To establish a connection to the replication service

B.

To be notified when remote data has changed

C.

To update data in a local table based on changes made to a remote table

D.

To assign a virtual table to a remote source

Question 21

You have products that appear in table A and sometimes also in table B. What would you use to find products only appearing in table A?

Options:

A.

A right outer join node between table A and table B

B.

A left outer join node between table A and table B

C.

An intersect node between table A and table B

D.

A minus node between table A and table B

Question 22

How can you define a variable that presents its value help hierarchically? Note: There are 2correct answers to this question.

Options:

A.

Create a level hierarchy and assign it to the variable.

•Ensure the variable's reference column is the top level of the hierarchy.

B.

Create a parent-child hierarchy and assign it to the variable.

•Ensure the variable's reference column is the parent attribute of the hierarchy.

C.

Create a parent-child hierarchy and assign it to the variable.

•Ensure the variable's reference column is the child attribute of the hierarchy.

D.

Create a level hierarchy and assign it to the variable.

•Ensure the variable's reference column is the leaf level of the hierarchy.

Question 23

In a calculation view, your table function node executes a table function that requires input parameters.

How can you fill the input parameters of the table function? Note: There are 3correct answers to this question.

Options:

A.

Define constant values.

B.

Reference the output of a procedure.

C.

Assign a hierarchy node.

D.

Map columns from lower nodes.

E.

Create and map an input parameter.

Question 24

Why would you choose to implement a referential join?

Options:

A.

To automate the setting of cardinality rules

B.

To reuse the settings of an existing join

C.

To develop a series of linked joins

D.

To ignore unnecessary data sources

Demo: 24 questions
Total 80 questions