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SAP C_HAMOD_2404 Exam Syllabus Topics:
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NEW QUESTION # 23
Why would an SQL developer work with SQLScript?Note: There are 3 correct answers to this question.
- A. To implement conditional logic
- B. To automate the generation of the code
- C. To pass parameters from calculation views
- D. To include ABAP syntax in the code
- E. To exploit additional data types
Answer: A,C,E
NEW QUESTION # 24
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?
- A. Column engine language is not supported.
- B. To benefit from additional SQL optimizations
- C. Incorrect aggregations may be generated
- D. To define limits for query unfolding
Answer: B
NEW QUESTION # 25
Which of the following are characteristics of the OPTIMIZED linked database feature? Note: There are 2 correct answers to this question.
- A. The metadata of remote tables is cached on the target system
- B. The source and target system must be SAP HANA
- C. Hidden virtual tables are automatically created on the target system
- D. A database name is used in an SQL statement to identify the remote object
Answer: A,B
Explanation:
TheOPTIMIZED linked databasefeature improves access to remote objects:
* A. The metadata of remote tables is cached on the target system: This reduces the overhead of fetching metadata repeatedly.
* C. The source and target system must be SAP HANA: This feature is designed specifically for SAP HANA systems for seamless integration.
Hidden virtual tables (B) are not automatically created, and explicit database names (D) are not required.
NEW QUESTION # 26
What privileges do you need to create a virtual table referencing a remote SAP HANA table? Note: There are 2 correct answers to this question.
- A. CREATE VIRTUAL TABLE on the remote source
- B. CREATE ANY on the target schema
- C. ALTER on the remote source
- D. SELECT on the source object
Answer: A,B
NEW QUESTION # 27
In a database module, what is the purpose of the .hdiconfig file?
- A. To specify in which space the container should be deployed
- B. To specify the namespace rules applicable to the name of database objects
- C. To specify an external schema in which calculation views will get their data
- D. To specify which HDI plug-ins are available
Answer: D
NEW QUESTION # 28
Why would you create SQL in calculation views?
- A. To enable write capabilities
- B. To implement custom logic
- C. To fine-tune performance
- D. To provide an alternative to graphical modeling
Answer: B
NEW QUESTION # 29
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?
- 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.
Answer: A
Explanation:
The input parameters of calculation view B might not be proposed as source parameters because they are already mapped in another calculation view. SAP HANA restricts the re-mapping of input parameters that have already been assigned to maintain consistent logic and avoid conflicts. When input parameters are pre- mapped in one calculation view, they cannot be reused as source parameters elsewhere without unlinking the prior mapping.
NEW QUESTION # 30
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?
- 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.
Answer: A
NEW QUESTION # 31
What is the default view node for a cube?
- A. AGGREGATION
- B. PROJECTION
- C. UNION
- D. SEMANTICS
Answer: A
NEW QUESTION # 32
What are the characteristics of a SHARED replica table? Note: There are 3 correct answers to this question.
- A. You can toggle queries routing between remote table data and replica table data
- B. The replica table always stores real-time data
- C. You can choose your own replica table name
- D. You do not need to create the physical replica table manually
- E. The consuming application always references the virtual table
Answer: A,B,D
NEW QUESTION # 33
In a calculation view, why would you implement an SQL expression? Note: There are 3 correct answers to this question.
- A. To convert currencies
- B. To define a filter
- C. To generate a restricted column
- D. To generate a calculated column
- E. To generate hierarchies
Answer: B,C,D
NEW QUESTION # 34
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.
- A. Indexes
- B. Stored procedures
- C. Pre-calculated aggregates
- D. Table partitions
Answer: B,C
NEW QUESTION # 35
Which of the following techniques can you use to improve the performance of calculation views? Note: There are 2 correct answers to this question.
- A. Avoid union pruning.
- B. Limit the number of stacked calculation views.
- C. Aggregate data early in the data flow.
- D. Partition large tables.
Answer: B,D
Explanation:
* Partition large tables (B):Partitioning tables allows for parallel processing of data subsets, significantly improving query execution times.
* Limit the number of stacked calculation views (C):Reducing layers of calculation views minimizes complexity and execution overhead, leading to better performance.
Options A and D are incorrect or less effective. Union pruning should be enabled to improve performance, and while aggregating data early can sometimes be beneficial, it is not universally optimal for performance tuning.
NEW QUESTION # 36
A new version of SAP HANA Cloud, SAP HANA database is available from today.If you do not perform the upgrade manually, how much time do you have before your database will be automatically upgraded to the next version?
- A. 2 weeks
- B. 1 year
- C. 3 months
- D. 7 months
Answer: D
NEW QUESTION # 37
What are possible consequences of unfolding? Note: There are 2 correct answers to this question.
- A. Query processing time improves.
- B. Results are read from static cache.
- C. Count-distinct results are incorrect.
- D. SQL compilation time increases.
Answer: C,D
NEW QUESTION # 38
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?
- A. US for P1 and P2, and GE for P1 and P2
- B. US for P1 and P2, and GE for P2
- C. US for P1
- D. US for P1 and GE for P1
Answer: D
NEW QUESTION # 39
What is generated when you deploy a CUBE calculation view design-time file?Note: There are 2 correct answers to this question.
- A. A column view in a container
- B. Cached results to improve read performance
- C. An SQL execution plan
- D. Metadata to enable consumption by external tools
Answer: B,D
NEW QUESTION # 40
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?
- A. A is successful.
*Fails. - B. A fails.
*B is successful. - C. A is successful.
*B is successful. - D. A fails.
*B fails.
Answer: C
Explanation:
f you rename the design-time file of the dimension calculation view without renaming the runtime view and adjusting the reference:
* Building the dimension view as a single object (A) is successful:This operation affects only the renamed file and does not impact other dependent objects.
* Building the entire SAP HANA database module (B) is also successful:The module rebuild adjusts references at the runtime level for all objects, ensuring consistency.
NEW QUESTION # 41
Why do we use Git when modeling calculation views?
- A. To manage versions of source files
- B. To display dependencies in stacked scenarios
- C. To automate the build process
- D. To enable collaboration between developers
Answer: A
Explanation:
Git is used in calculation view modeling to:
* C. Manage versions of source files: It provides version control, enabling tracking and rollback of changes in calculation views and other project artifacts.
While collaboration (D) and build automation (B) are benefits of Git in general, the primary purpose in this context is version management. Displaying dependencies (A) is unrelated to Git.
NEW QUESTION # 42
What are some best practices when developing calculation views? Note: There are 2 correct answers to this question.
- A. Model star schemas using a sequence of join nodes.
- B. Include all data flow logic within one calculation view.
- C. Avoid defining joins on calculated columns.
- D. Aggregate at the lowest possible node.
Answer: C,D
NEW QUESTION # 43
You want to join two tables in a calculation view. Why do you use a non-equi join?
- 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.
Answer: C
Explanation:
Anon-equi joinis used when the join condition cannot be represented by equality (=). Instead, the condition may involve other operators, such as<,>,BETWEEN, etc. This type of join is essential when relationships between datasets are based on ranges or non-matching values.
NEW QUESTION # 44
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