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SAP C_HANAIMP_18 認定試験の出題範囲：
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質問 11
Why does SAP issue warnings about the use of imperative or procedural SQLScript statements?
- A. They can limit parallelization of query execution.
- B. They introduce potential security risks.
- C. They could modify the database.
- D. They call multiple processing engines.
正解: B
質問 12
Why do we use Git when modeling calculation views?Note: There are 2 correct answers to this question.
- A. To enable collaboration between developers
- B. To automate the build process
- C. To manage versions of source files
- D. To display dependencies in stacked scenarios
正解: A,C
質問 13
Why would you use the Transparent Filter property in a calculation view?
- A. To avoid columns being unnecessarily used in an aggregation
- B. To allow filter push-down in stacked calculation views
- C. To include columns that are NOT requested by a query
- D. To apply filters that are hidden from the end user
正解: B
質問 14
Why would you create a multistore table?
- A. To improve read performance when the table is accessed by simultaneous applications
- B. To evenly distribute the data across all available server nodes
- C. To enable partitioning of the table across different storage tiers
- D. To implement a table that combines the features of row and column store
正解: C
質問 15
What do you use in the definition of a dynamic SQL analytic privilege?
- A. An organization hierarchy that provides role-based access to data.
- B. A procedure that returns the data access condition as an SQL expression.
- C. A table function that returns a list of allowed values.
- D. A scalar function that returns a list of the allowed values for each attribute.
正解: B
質問 16
How can you define a variable that presents its value help hierarchically?Note: There are 2 correct answers to this question.
- A. Create a parent-child hierarchy and assign it to the variable.Ensure the variable's reference column is the child attribute 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 level hierarchy and assign it to the variable.Ensure the variable's reference column is the top level 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.
正解: A,D
質問 17
What are some best practices for writing SQLScript for use with calculation views?Note: There are 2 correct answers to this question.
- A. Control the flow logic using IF-THEN-ELSE conditions.
- B. Choose declarative language instead of imperative language.
- C. Use dynamic SQL.
- D. Break up large statements by using variables.
正解: B,D
質問 18
You have a cube calculation view that consumes a dimension view. You suspect some dimension columns have been renamed in the cube calculation view.Which function of SAP Web IDE for SAP HANA do you use to check where the output columns originate from?
- A. Label column
- B. Where used
- C. Show lineage
- D. Impact analysis
正解: C
質問 19
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. Your source calculation view is of type DIMENSION.
- B. You selected the wrong parameter mapping TYPE.
- C. You already mapped the input parameters in another calculation view.
- D. The names of the input parameters do not match.
正解: C
質問 20
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. "0"
- B. "Null"
- C. <empty string>
- D. "?"
正解: C
質問 21
Which of the following supports data replication?
- A. SAP HANA smart data quality
- B. SAP HANA smart data access
- C. SAP HANA smart data integration
- D. SAP HANA, streaming analytics option
正解: C
質問 22
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?
- A. Use a union node.
- B. Use an intersect node.
- C. Use a minus node.
- D. Use an aggregation node.
正解: A
質問 23
Why do you create calculation views of data category DIMENSION with type TIME?
- A. To provide the time intervals required by time-dependent parent-child hierarchies
- B. To provide additional time-related navigation possibilities
- C. To add a temporal condition to a join to find matching records from two tables based on a date
- D. To store historical versions of attributes
正解: B
質問 24
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?
- A. Aggregation
- B. Join
- C. Union
- D. Projection
正解: D
質問 25
Which of the following approaches might improve the performance of joins in a CUBE calculation view?Note:
There are 2 correct answers to this question.
- A. Specify the join cardinality
- B. Define join direction in a full outer join
- C. Use an inner join
- D. Limit the number of joined columns
正解: A,D
質問 26
What are the consequences of NOT executing a delta merge?Note: There are 2 correct answers to this question.
- A. New records are not read.
- B. Read performance decreases.
- C. Aggregates are not adjusted.
- D. Memory is not optimized.
正解: C,D
質問 27
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