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

SAP Certified Associate - Data Engineer - SAP HANA

Last Update Feb 14, 2025
Total Questions : 80

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Questions 1

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

B.  

Only one column can be included in the join condition.

C.  

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

D.  

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

Discussion 0
Questions 2

Your calculation view consumes one data source, which includes the following columns: SALES_ORDER_ID, PRODUCT_ID, QUANTITY and PRICE.

In the output, you want to see summarized data by PRODUCT_ID and a calculated column, PRODUCT_TOTAL, with the formula QUANTITY PRICE. In which type of node do you define the calculation to display the correct result?

Options:

A.  

Projection

B.  

Union

C.  

Aggregation

D.  

Join

Discussion 0
Questions 3

A calculation view consumes the data sources shown in the graphic. You want to identify which companies sold products in January AND February. What is the optimal way to do this?

Options:

A.  

Use an aggregation node.

B.  

Use a union node.

C.  

Use an intersect node.

D.  

Use a minus node.

Discussion 0
Questions 4

You import a project that includes an SAP HANA database (HDB) module to your workspace. You need to create a calculation view that uses data from a table located in an external schema within the same local database.

Which of the following items do you need? Note: There are 2 correct answers to this question.

Options:

A.  

Synonym

B.  

Remote source

C.  

SQL view

D.  

Authorization

Discussion 0
Questions 5

Why would you enable Debug Query mode in a calculation view?

Options:

A.  

To set breakpoints and step through the execution

B.  

To identify data sources that are not accessed by a query

C.  

To understand how tables are partitioned

D.  

To check which database engines are invoked

Discussion 0
Questions 6

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

Options:

A.  

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

B.  

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

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

Discussion 0
Questions 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

Discussion 0
Questions 8

You want to create a star schema using a calculation view. The measures are based on columns from two transaction tables. DIMENSION calculation views provide the attributes.What is the correct approach?

Options:

A.  

Combine the transaction tables using a star join node in a CUBE calculation view.

•Use a join node to join the DIMENSIONS to the resulting fact table.

B.  

Combine the transaction tables using a join node in a CUBE calculation view.

•Combine the DIMENSIONS using another join node.

•Use a star join node to combine both resulting fact and dimension tables.

C.  

Combine the transaction tables using a join node in a CUBE calculation view.

•Use a star join node to join the DIMENSIONS to the resulting fact table.

D.  

Combine the transaction tables using an aggregation node in a CUBE calculation view.

•Use a star join node to join the DIMENSIONS to the resulting fact table.

Discussion 0
Questions 9

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

Discussion 0
Questions 10

In your calculation view, you want to consume a custom data source defined using SQLScript. In which type of object do you write your code?

Options:

A.  

Procedure

B.  

Scalar function

C.  

Anonymous block

D.  

Table function

Discussion 0
Questions 11

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 3 correct 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.

Discussion 0
Questions 12

In a calculation view, what is the purpose of a variable?

Options:

A.  

To provide a dynamic value in a calculated column

B.  

To break up complex SQL into smaller steps

C.  

To pass values between procedures and calculation views

D.  

To filter an attribute at run-time based on a user input

Discussion 0
Questions 13

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

Discussion 0
Questions 14

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

Discussion 0
Questions 15

In a calculation view, why would you choose the DEPRECATED setting? Note: There are 2 correct 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

Discussion 0
Questions 16

A cube calculation view consumes a dimension calculation view. You rename the design time file of the dimension view but do NOT choose the option to rename the runtime view and adjust the reference. Afterward, you perform the following operations:

•A: Build/deploy the dimension calculation view as a single object.

•B: Build/deploy the entire SAP HANA database module. What is the outcome of the build/deploy operations?

Options:

A.  

A is successful.

•Fails.

B.  

A fails.

•B is successful.

C.  

A fails.

•B fails.

D.  

A is successful.

•B is successful.

Discussion 0
Questions 17

You create a user-provided service to access tables in external schemas.

In which file type do you assign the user-provided service to your database module?

Options:

A.  

hdiconfig

B.  

.mtar

C.  

.namespace

D.  

.yaml

Discussion 0
Questions 18

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 2 correct 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.

Discussion 0
Questions 19

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.

Discussion 0
Questions 20

You create a table function to remove historic records, sum the current total weekly working hours for each employee, and update the personnel table with the results. The deployment of the table function fails.

Which of the following could be a valid reason?

Options:

A.  

You did not define at least one input parameter.

B.  

You did not define a valid table type.

C.  

Your table function includes a DELETE statement.

D.  

Your table function refers to a scalar function.

Discussion 0
Questions 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

Discussion 0
Questions 22

Using the table in the diagram, you need to create a cube calculation view. What is the simplest approach to create the output from the screenshot?

Options:

A.  

Create a filter expression that uses an OR operator.

B.  

Create 3 calculated columns.

C.  

Implement a union node and map each year as a separate column.

D.  

Create a restricted column for each year.

Discussion 0
Questions 23

What is generated when you build/deploy a CUBE calculation view design-time file? Note: There are 2 correct answers to this question.

Options:

A.  

Metadata to enable consumption by external tools

B.  

A column view in a container

C.  

An SQL execution plan

D.  

Cached results to improve read performance

Discussion 0
Questions 24

You define a hierarchy in a calculation view. You want to expose the hierarchy to SQL. Which of the following conditions must be met? Note: There are 2 correct answers to this question.

Options:

A.  

The hierarchy must be defined as a local hierarchy.

B.  

The hierarchy must be a shared hierarchy.

C.  

The hierarchy must be a parent-child hierarchy.

D.  

The hierarchy must be exposed by a CUBE calculation view with star join.

Discussion 0