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無料SAP C-HAMOD-2404試験問題と解答
SAP C-HAMOD-2404 認定試験の出題範囲：
| トピック | 出題範囲 |
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| トピック 1 |
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| トピック 2 |
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| トピック 3 |
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質問 # 21
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. You selected the wrong parameter mapping TYPE.
- C. The names of the input parameters do not match.
- D. Your source calculation view is of type DIMENSION.
正解：A
質問 # 22
You are creating a procedure to be consumed in a DYNAMIC analytic privilege. What must you consider? Note: There are 2 correct answers to this question.
- A. The procedure should be defined as read-only
- B. The procedure should return a table with the list of allowed values
- C. The procedure should have the value DEFINER for the security mode
- D. The procedure should include an input parameter to specify the user ID
正解：A、C
質問 # 23
Which of the following are standard options provided to define analytic privileges? Note: There are 3 correct answers to this question.
- A. Dynamic
- B. Hierarchy function
- C. Graph
- D. Attributes
- E. SQL expression
正解：A、D、E
解説：
* Dynamic (A):Analytic privileges can dynamically restrict data based on runtime parameters.
* SQL Expression (B):SQL expressions define specific conditions for data access, offering flexibility in analytic privilege design.
* Attributes (E):Attributes are standard components for defining static or dynamic access rules based on attribute values.
Options C and D (Hierarchy function and Graph) are not standard methods for defining analytic privileges.
質問 # 24
At which levels of a project structure can you execute a deploy operation?Note: There are 2 correct answers to this question.
- A. Individual source file
- B. Sub-folder of a database module
- C. Entire workspace
- D. Individual container
正解：B、C
質問 # 25
Why would you partition a table in an SAP HANA database? Note: There are 2 correct answers to this question.
- A. To improve data replication performance on large row tables
- B. To improve query performance when accessing large column tables
- C. To overcome the 2 billion record limit
- D. To improve response time when multiple users access the same table
正解：B、C
解説：
Table partitioning in SAP HANA is used to enhance performance and scalability. The main reasons are:
* B. To overcome the 2 billion record limit: Partitioning allows the table to handle more than the 2 billion records that are the limit for non-partitioned tables.
* D. To improve query performance when accessing large column tables: Partitioning splits the table into manageable parts, allowing parallel processing and improving query performance for large datasets.
質問 # 26
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?
- A. "?"
- B. "0"
- C. "Null"
- D. <empty string>
正解：D
質問 # 27
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?
- A. hdiconfig
- B. .yaml
- C. .namespace
- D. .mtar
正解：B
質問 # 28
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.
- A. The hierarchy must be a shared hierarchy.
- B. The hierarchy must be exposed by a calculation view of type CUBE with star join.
- C. The hierarchy must be a parent-child hierarchy.
- D. The hierarchy must be a local hierarchy.
正解：A、B
質問 # 29
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. 3 months
- B. 2 weeks
- C. 7 months
- D. 1 year
正解：C
質問 # 30
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?
- A. 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. - 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 a star join node in a CUBE calculation view.
* Use a join node to join the DIMENSIONS to the resulting fact table.
正解：C
質問 # 31
Referring to the diagram, which privileges would a user require to view United States data when querying the CUBE calculation view?
- A. A SELECT privilege on the CUBE calculation view and an Analytic Privilege (Country United States) on the DIMENSION calculation view
- B. SELECT privileges and Analytic Privileges (Country United States) on both views
- C. A SELECT privilege and an Analytic Privilege (Country United States) on the DIMENSION calculation view
- D. A SELECT privilege and an Analytic Privilege (Country United States) on the CUBE calculation view
正解：A
質問 # 32
When you build/deploy a flowgraph, what can be generated? Note: There are 3 correct answers to this question.
- A. Real-time Task
- B. Function
- C. Procedure
- D. Batch Task
- E. Replication Task
正解：A、C、D
解説：
When you build or deploy a flowgraph, the following can be generated:
* Batch Task (A):Allows execution of the flowgraph in batch mode.
* Procedure (B):Encapsulates the flowgraph logic for execution.
* Real-time Task (D):Supports near-real-time execution scenarios.
Options C (Function) and E (Replication Task) are not directly generated by flowgraphs.(Reference: SAP HANA Flowgraph Documentation)
質問 # 33
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?
- A. Scalar function
- B. Anonymous block
- C. Table function
- D. Procedure
正解：C
質問 # 34
What are some of the typical roles in an SAP HANA Cloud implementation?Note: There are 2 correct answers to this question.
- A. Modeler
- B. ABAP developer
- C. Data architect
- D. Kubernetes expert
正解：A、C
質問 # 35
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?
- A. Your table function refers to a scalar function.
- B. Your table function includes a DELETE statement.
- C. You did not define at least one input parameter.
- D. You did not define a valid table type.
正解：B
解説：
Table functions in SAP HANA are used for read-only operations and cannot includeDML (Data Manipulation Language)statements such asDELETE,INSERT, orUPDATE.
* C. Your table function includes a DELETE statement: This is the reason for the deployment failure, as DML operations are not allowed in table functions.
Input parameters (A), table types (B), and references to scalar functions (D) do not cause deployment issues unless they are incorrectly defined, which is not the case here.
質問 # 36
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 calculated column
- D. To generate a restricted column
- E. To generate hierarchies
正解：B、C、D
解説：
SQL expressions in a calculation view are used for dynamic data transformations and filtering. They can:
* A. Generate a restricted column: Apply conditions to create columns with restricted values.
* B. Define a filter: Apply SQL conditions to filter data dynamically.
* C. Generate a calculated column: Derive new column values using calculations or expressions.
SQL expressions are not typically used for creating hierarchies (D) or currency conversion (E); these are handled by specific features or nodes in SAP HANA calculation views.
質問 # 37
What are the limitations of using a full outer join in a star join node? Note: There are 2 correct answers to this question.
- A. Only one column can be included in the join condition.
- 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. It must appear in the last DIMENSION in the star join node.
正解：B、D
解説：
The limitations of using a full outer join in a star join node include:
* It must appear in the last DIMENSION in the star join node (C):Full outer joins can only be implemented on the last dimension table in the star join node due to the complex nature of the resulting data set. This restriction ensures data integrity and predictable query results.
* It is restricted to one DIMENSION in a star join node (D):Full outer joins cannot be used across multiple dimensions in a single star join node, limiting their scope to a specific table-to-table relationship within the star join design.
質問 # 38
Why would you choose to implement a referential join?
- A. To reuse the settings of an existing join
- B. To ignore unnecessary data sources
- C. To automate the setting of cardinality rules
- D. To develop a series of linked joins
正解：B
質問 # 39
What is the SQL keyword used to process input parameters defined in a calculation view?
- A. PLACEHOLDER
- B. WHERE
- C. HINT
- D. SET
正解：A
質問 # 40
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?
- A. Create 3 calculated columns.
- B. Implement a union node and map each year as a separate column.
- C. Create a filter expression that uses an OR operator.
- D. Create a restricted column for each year.
正解：B
質問 # 41
Why do you use the Hidden Columns checkbox in the semantics node of your calculation view?Note: There are 2 correct answers to this question.
- A. To remove a column that is also used as a Label column
- B. To prevent passing columns in stacked calculation views
- C. To avoid exposing sensitive columns when defining calculated columns
- D. To ensure specific columns are NOT exposed to the reporting tool
正解：A、D
質問 # 42
You want to join two tables in a calculation view.Why do you use a non-equi join?
- A. The join condition is not represented by matching values.
- B. Join columns need to be ignored when NOT requested by the query.
- C. The number of joined columns is different in each table.
- D. Join columns have different data types.
正解：A
質問 # 43
Which of the following are characteristics of the OPTIMIZED linked database feature? Note: There are 2 correct answers to this question.
- A. The source and target system must be SAP HANA
- B. The metadata of remote tables is cached on the target system
- C. A database name is used in an SQL statement to identify the remote object
- D. Hidden virtual tables are automatically created on the target system
正解：A、B
質問 # 44
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