[2024] Pass C_HANADEV_18 Exam – Real Questions & Answers [Q38-Q62]

Posted On August 9, 2024

[2024] Pass C_HANADEV_18 Exam – Real Questions and Answers

C_HANADEV_18 Exam Questions Get Updated [2024] with Correct Answers

SAP C-HANADEV-18 (Certified Development Associate – SAP HANA 2.0 SPS06) Certification Exam is designed for developers who want to demonstrate their knowledge of SAP HANA 2.0 SPS06 development. Certified Development Associate – SAP HANA 2.0 SPS06 certification exam validates the candidate’s ability to develop and deploy applications on the SAP HANA platform, as well as their understanding of key concepts and features of SAP HANA development. C_HANADEV_18 exam covers various topics such as SQL and SQLScript, data modeling, security, and application development using SAP HANA XSA.

SAP C-HANADEV-18 certification exam is an excellent way for developers to validate their knowledge and skills in SAP HANA development. Certified Development Associate – SAP HANA 2.0 SPS06 certification can help professionals stand out in the job market and advance their careers. With its comprehensive coverage of SAP HANA development topics, this certification is a must-have for any developer looking to work with the SAP HANA platform.

Q38. Why do you use associations in your persistence model for SAP HANA extended application services, advanced model (XS advanced)? Please choose the correct answer.

To enforce database-level constraints

To define the relationships between contexts and views

To define multiplicity and key of an entity relation

To set relationships between multiple contexts

Q39. Which of the following are characteristics of database procedures?

Database procedures can have both input and output parameters; however, a parameter CANNOT be both input and output.

Database procedures can have several output parameters, and a mix of both scalar and table types is possible.

If, in the database procedure header, you use the READS SQL DATA option, then INSERT statements are prohibited; however, dynamic SQL is allowed.

If, in the database procedure header, you use the SQL SECURITY INVOKER option, then only the owner of the procedure can start it.

Q40. You need to consume a Node.js service in an SAPUI5 application. In which section of the mta.xml file do you define the variable for the exposed service?
Please choose the correct answer.

In the path section of the Node.js module

In the provides section of the Node.js module

In the properties sect on of the MTA resources

In the requires sect on of the HTML5 module

Q41. Which activities do you perform on an application in the SAP HANA XS Advanced Cockpit? There are 2 correct answers to this question.

Monitor applications assigned to the current space.

Deploy applications to SAP Cloud Platform.

Display HDI container content.

Start, stop, and restart applications.

The SAP HANA XS Advanced Cockpit is a web-based administration tool that allows you to manage the XS Advanced runtime environment, such as organizations, spaces, applications, services, and users. The XS Advanced Cockpit provides a graphical user interface that is similar to the SAP Cloud Platform Cockpit, to provide a consistent user experience in cloud and on-premise. The XS Advanced Cockpit is available for SAP HANA 2.0 SPS03 and later releases, and it replaces the deprecated XS Advanced Administration Tools.
One of the activities that you can perform on an application in the XS Advanced Cockpit is to monitor the applications assigned to the current space. A space is a logical grouping of applications and services that share a common development and runtime environment. Each space belongs to an organization, which is a collection of users and spaces that share a common quota of resources. You can use the XS Advanced Cockpit to view the list of applications deployed in a particular space, and see their status, instances, memory usage, disk usage, and bound services. You can also filter, sort, and search the applications by name, status, or type.
You can also drill down into the details of each application, such as logs, events, environment variables, routes, and service bindings.
Another activity that you can perform on an application in the XS Advanced Cockpit is to start, stop, and restart the applications. You can use the XS Advanced Cockpit to control the lifecycle of the applications deployed in a space, such as starting an application that is stopped, stopping an application that is running, or restarting an application that is experiencing issues. You can also scale the applications by changing the number of instances or the memory and disk quota allocated to each instance. You can also delete the applications that are no longer needed.
The other options are incorrect because they are not activities that you can perform on an application in the XS Advanced Cockpit. You cannot deploy applications to SAP Cloud Platform from the XS Advanced Cockpit, as the XS Advanced Cockpit is only for managing the XS Advanced runtime environment on SAP HANA. To deploy applications to SAP Cloud Platform, you need to use the SAP Cloud Platform Cockpit or the Cloud Foundry Command Line Interface (CF CLI). You also cannot display the HDI container content from the XS Advanced Cockpit, as the HDI container is a database object that is not directly related to the application. To display the HDI container content, you need to use the SAP HANA Database Explorer or the SAP Web IDE for SAP HANA. References:
* SAP HANA Platform 2.0 SPS06: SAP HANA XS Advanced Cockpit, Section 1
* SAP HANA Platform 2.0 SPS06: SAP HANA XS Advanced Cockpit, Section 2
* SAP HANA Platform 2.0 SPS06: SAP HANA XS Advanced Cockpit, Section 3
* SAP HANA Platform 2.0 SPS06: SAP HANA XS Advanced Cockpit, Section 4
* SAP HANA Platform 2.0 SPS06: SAP HANA XS Advanced Cockpit, Section 5

Q42. You need to check user input data in your OData request. Which exit type do you use? Please choose the correct answer.

Consistency

Modification

Validation

Verification

Q43. Which Git commands are available with the SAP Web IDE for SAP HANA? There are 3 correct answers to this question.

Test changes

Push code

Clone a repository

Redeploy the code

Merge changes

Q44. What are the different types of graphical calculation views that can handle measures? There are 2 correct answers to this question.

Cube

Dimension

SQL Access Only

Cube with star join

Q45. In an SQL Script procedure, which feature do you use to initialize IN/OUT table parameters? Please choose the correct answer.

IS_EMPTY

DEFAULT EMPTY

DEFAULT

SET

Q46. You create an SAP HANA extended application services, advanced model (XS advanced) multi-target application. What does the mta.xml file contain?
Please choose the correct answer.

The plugin name and version for every supported file suffix

The application router description with the authentication methods and access routes

The Node.js package definition with dependencies and initial run configurations

The application global elements, modules, resources, properties, and parameters

Q47. You implement an asynchronous Node.js service that sends requests to the database. How do you handle the database responses? There are 2 correct answers to this question.

Process the callback methods in the order in which the requests are sent by the service.

Call a method directly after every send request.

Process the callback methods in the order in which the requests are returned from the database.

Q48. Which SAP HANA extended application services, advanced model (XS advanced) tools can you use to retrieve the URL for the SAP WeblDE for SAP HANA?
There are 2 correct answers to this question.

Runtime tool

XS advanced Controller Start Screen

XS Advanced command-line client tool

Organization and Space Management tool

The SAP Web IDE for SAP HANA is a web-based development tool that allows you to create and manage multi-target applications (MTAs) that use the SAP HANA Deployment Infrastructure (HDI). The SAP Web IDE for SAP HANA is itself an XS advanced application that runs on the XS advanced runtime and can be accessed via a URL. To retrieve the URL for the SAP Web IDE for SAP HANA, you can use the following XS advanced tools:
* XS advanced Controller Start Screen: This is a web-based tool that provides an overview of the XS advanced environment and the available applications and services. You can access the XS advanced Controller Start Screen by opening the URL https://<host>:3<instance_number>30/ in a browser, where
<host> is the host name of your SAP HANA system and <instance_number> is the instance number of your SAP HANA system. From the XS advanced Controller Start Screen, you can see the list of applications and their URLs under the Applications tab. You can find the SAP Web IDE for SAP HANA application by its name (webide) and click on its URL to open it in a new tab.
* XS Advanced command-line client tool: This is a command-line tool that allows you to perform various operations on the XS advanced environment and the applications and services. You can access the XS Advanced command-line client tool by opening a terminal and entering the command xs. To retrieve the URL for the SAP Web IDE for SAP HANA, you need to first log in to the XS advanced environment by entering the command xs login and providing your credentials. Then, you need to switch to the SAP space by entering the command xs target -s SAP, where the SAP Web IDE for SAP HANA application is deployed. Finally, you need to list the applications and their URLs by entering the command xs apps.
You can find the SAP Web IDE for SAP HANA application by its name (webide) and copy its URL to open it in a browser.
The following tools are not used to retrieve the URL for the SAP Web IDE for SAP HANA, but for other purposes:
* Runtime tool: This is a web-based tool that allows you to monitor and manage the runtime components of the XS advanced environment, such as applications, services, processes, and logs. You can access the Runtime tool by opening the URL https://<host>:3<instance_number>32/ in a browser, where <host> is the host name of your SAP HANA system and <instance_number> is the instance number of your SAP HANA system. From the Runtime tool, you can see the status and details of the applications and services, but not their URLs.
* Organization and Space Management tool: This is a web-based tool that allows you to create and manage the organizational units of the XS advanced environment, such as organizations and spaces.
You can access the Organization and Space Management tool by opening the URL
https://<host>:3<instance_number>31/ in a browser, where <host> is the host name of your SAP HANA system and <instance_number> is the instance number of your SAP HANA system. From the Organization and Space Management tool, you can see the list of organizations and spaces and their quotas and roles, but not the applications and their URLs.
References:
* [SAP HANA Deployment Infrastructure Reference], Chapter 5: HDI with XS Advanced, Section 5.1:
Developing with the SAP Web IDE for SAP HANA, Subsection 5.1.1: Create a Project, p. 101.
* [SAP HANA Platform Documentation], SAP HANA Developer Guide for SAP HANA XS Advanced Model, Chapter 2: Getting Started with SAP Web IDE for SAP HANA, Section 2.1: Creating a Project, p. 17.

Q49. Which Node.js module do you use to run an SQL statement against the SAP HANA database? Please choose the correct answer.

@sap/hdi

@sap/xsenv

@sap/xssec

@sap/hdbext

Q50. You need to access a remote database table object within your HDB module in a Multi-target application project.
In SAP HANA extended application services, advanced model (XS advanced) a user-provided service was created to access the external schema. The service is already declared in the Multi-target application project YAML file.
Which activities do you perform?

There are 3 correct answers to this question.

Create a view that refers to a synonym. n Create a synonym that refers to the view.

Create/update the .hdbgrants file providing authorizations for the remote schema.

Create a synonym for the remote table object.

Create a view that refers to the table.

Q51. A Node.js module is executed for the first time in SAP HANA extended application services, advanced model (XS advanced). Which of the following activities are performed automatically? There are 2 correct answers to this question.

The source code is compiled to create an executable binary file.

A new SAP HANA Deployment Infrastructure (HDI) container is created.

The required modules are downloaded based on module dependencies.

A new service is executed on the application server.

Q52. You created several database tables in a multi-target application and need to keep their names as short as possible. Which parameter of the .hdinamespace file do you set to ignore? Please choose the correct answer.

name

hdbtable

mixinTypes

subfolder

Q53. Which services can you use in SAP HANA, express edition? There are 3 correct answers to this question.

Dynamic tiering

Text analytics

Multi-core and parallelization

System replication

Columnar OLTP and OLAP

SAP HANA, express edition is a streamlined version of SAP HANA that can run on laptops and other resource-constrained hosts, such as a cloud-hosted virtual machine. SAP HANA, express edition is free to use for in-memory databases up to 32 GB of RAM. SAP HANA, express edition supports the following services:
* Text analytics: This service allows you to analyze unstructured text data, such as documents, emails, tweets, and blogs, using natural language processing techniques. You can use text analytics to extract entities, facts, sentiments, and keywords from text data, and to perform linguistic analysis, such as tokenization, lemmatization, and part-of-speech tagging.
* Multi-core and parallelization: This service allows you to leverage the multi-core architecture and parallel processing capabilities of SAP HANA to optimize the performance of data-intensive operations, such as queries, calculations, and transformations. You can use multi-core and parallelization to distribute the workload across multiple CPU cores and threads, and to execute tasks in parallel or in batches.
* Columnar OLTP and OLAP: This service allows you to store and process data in a columnar format, which enables faster data compression, aggregation, and analysis. You can use columnar OLTP and OLAP to support both transactional and analytical workloads on the same data set, without requiring data duplication or pre-aggregation.
The other options are not correct because:
* A. Dynamic tiering: This service allows you to extend the SAP HANA in-memory database with disk-based tables that can store large volumes of warm or cold data. You can use dynamic tiering to reduce the memory footprint and cost of SAP HANA, while still maintaining query access to the disk-based data. However, dynamic tiering is not supported by SAP HANA, express edition, as it requires additional hardware and software components.
* D. System replication: This service allows you to create and maintain one or more secondary SAP HANA systems that are identical copies of a primary SAP HANA system. You can use system replication to ensure high availability and disaster recovery of SAP HANA, as the secondary systems can take over the role of the primary system in case of a failure. However, system replication is not supported by SAP HANA, express edition, as it requires additional licenses and configuration.
References:
* SAP HANA, express edition, Overview
* SAP HANA, express edition, Features
* SAP HANA, express edition, FAQ

Q54. You use APPLY_FILTER to add a dynamic WHERE clause on SELECT statements. On which objects can you apply the filter? There are 2 correct answers to this question.

Scalar variables

Virtual tables

Database tables

Intermediate table variables

Q55. An OData service contains an entity set called Products. Which resource path do you add to the OData service URL to view all available products?
Please choose the correct answer.

/Products/$metadata

/Products/’

/Products

/Products/ALL

Q56. Which of the following activities are part of the development lifecycle using SAP HANA extended application services, advanced model (XS advanced)?
There are 2 correct answers to this question.

Export the project as an MTA archive.

Activate artifacts via _SYS_REPO.

Store the source in the SAP HANA repository.

Create an MTA project.

Q57. You configure an OData service for a transactional SAPUI5 application. What is the default data access behavior of the OData service? Please choose the correct answer.

Read: Yes Create: Yes Update: Yes Delete: Yes

Read: Yes Create: Yes Update: Yes Delete: No

Read: Yes, Create: No Update: Yes Delete: No

Read: Yes, Create: No Update: No Delete: No

Q58. What are the steps to debug a Node.js application using SAP Web IDE for SAP HANA? There are 3 correct answers to this question.

Attach the debugger to the node module.

Set a breakpoint in the application.

Specify the proper Git repository in the debug properties.

Build the application with the debug option.

Open the debugger.

Q59. Which configuration file indicates the program that is executed upon start up when you run the Node.js module? Please choose the correct answer.

package.json

project.json

server.js

mta.yaml

Q60. What are the disadvantages when deploying Dynamic SQL? There are 2 correct answers to this question.

Limited opportunities for optimization

No possibility to bind the result to a SQL Script variable

No possibility to use SQL Script variables

Additional SQL execution privileges are required

Q61. You need to access a remote database table object within your HDB module in a Multi-target application project.
In SAP HANA extended application services, advanced model (XS advanced) a user-provided service was created to access the external schem a. The service is already declared in the Multi-target application project YAML file.
Which activities do you perform?

There are 3 correct answers to this question.

Create a view that refers to a synonym. n Create a synonym that refers to the view.

Create/update the .hdbgrants file providing authorizations for the remote schema.

Create a synonym for the remote table object.

Create a view that refers to the table.

Q62. Which elements can you specify with the SAP WeblDE for SAP HANA graphical editor for Core Data Services data models? There are 3 correct answers to this question.

Entity

Synonym

Procedure

Context

Association

The SAP Web IDE for SAP HANA graphical editor for Core Data Services (CDS) data models allows you to specify the following elements12:
* Entity: An entity is a CDS artifact that defines a data structure with attributes, keys, and associations. An entity can be mapped to a database table or view, or it can be used as a source for another entity or a calculation view. You can create an entity by dragging the entity icon from the palette to the canvas, and then defining its properties and attributes in the properties panel.
* Context: A context is a CDS artifact that defines a namespace for other CDS artifacts, such as entities, views, types, or associations. A context can be used to organize and group related CDS artifacts, and to avoid name conflicts. You can create a context by dragging the context icon from the palette to the canvas, and then defining its name and description in the properties panel. You can also add other CDS artifacts to the context by dragging them from the project explorer or the palette to the context node in the canvas.
* Association: An association is a CDS artifact that defines a relationship between two entities, based on a join condition. An association can be used to navigate from one entity to another, and to filter, aggregate, or project data from the target entity. You can create an association by dragging the association icon from the palette to the canvas, and then connecting it to the source and target entities.
You can also define the cardinality, join condition, and exposed attributes of the association in the properties panel.
The other options are not correct because they are not elements that can be specified with the SAP Web IDE for SAP HANA graphical editor for CDS data models. A synonym is a database object that provides an alternative name for another database object, such as a table, view, or procedure. A synonym is not a CDS artifact, and it cannot be created or edited with the graphical editor. A procedure is a database object that contains a set of SQL statements that perform a specific task. A procedure can be created or edited with the SQL editor, but not with the graphical editor. A procedure can also be exposed as a CDS artifact, but it cannot be specified with the graphical editor. References:
* SAP HANA Platform, SAP HANA Modeling Guide for SAP HANA Web Workbench, Core Data Services
* SAP HANA Platform, SAP HANA Developer Guide for SAP HANA Web IDE, Developing Core Data Services Models, Using the Graphical Editor