Name: RLX/RRSAF
Availability: InStock

Question 1

How does RLX/RRSAF enable the use of multiple DB2 threads from REXX?

Accepted Answer

RLX/RRSAF allows REXX programs to utilize multiple DB2 threads. It supports both RRSAF (Resource Recovery Services Attachment Facility) and CAF (Call Attach Facility) for database access. This enables efficient parallel processing of database operations from within REXX.

Question 2

What is the primary function of RLX/RRSAF?

Accepted Answer

RLX/RRSAF is designed to integrate with existing z/OS environments. It leverages the capabilities of REXX and provides interfaces for interacting with DB2 databases. This integration allows developers to build applications that combine the scripting power of REXX with the data management capabilities of DB2.

Question 3

What is the history of RLX/RRSAF?

Accepted Answer

RLX/RRSAF was initially developed by Relational Architects. Broadcom acquired Relational Architects in 2020 and subsequently integrated RLX/RRSAF into the Broadcom RLX Suite.

Question 4

What database access methods does RLX/RRSAF support?

Accepted Answer

RLX/RRSAF supports both RRSAF and CAF. RRSAF provides a more flexible and robust method for database access, while CAF offers a simpler approach. The choice between RRSAF and CAF depends on the specific requirements of the application and the DB2 environment.

Question 5

What are the most common commands and their syntax?

Accepted Answer

Common operations include connecting to DB2, executing SQL statements, fetching data, and handling transactions. The syntax involves using REXX commands and built-in functions to interact with the DB2 database through either RRSAF or CAF. For example, a REXX program might use SQL EXECUTE IMMEDIATE to run a SQL statement.

Question 6

What configuration files or interfaces are used?

Accepted Answer

RLX/RRSAF utilizes configuration files to define database connection parameters, security settings, and other operational parameters. These files are typically text-based and can be modified to adapt to different DB2 environments. The specific configuration file names and locations depend on the installation and setup.

Question 7

What types of APIs does RLX/RRSAF expose?

Accepted Answer

RLX/RRSAF does not expose REST or SOAP APIs. It provides a native interface through REXX, allowing direct interaction with DB2. Developers write REXX code to connect to the database, execute SQL statements, and manage data.

Question 8

What are the main system components and how do they communicate?

Accepted Answer

The architecture consists of the REXX program, the RLX/RRSAF interface, and the DB2 subsystem. The REXX program initiates database requests, which are then processed by the RLX/RRSAF interface. This interface communicates with the DB2 subsystem to execute the requests and return the results. Communication occurs through z/OS system services.

Question 9

What is the business value of using RLX/RRSAF?

Accepted Answer

RLX/RRSAF enables developers to leverage the power of REXX for database interactions. It allows for the creation of applications that can efficiently manage and process data within a DB2 environment. This can lead to improved application performance and streamlined database operations.

Question 10

How does RLX/RRSAF contribute to cost savings and productivity?

Accepted Answer

By enabling efficient database access from REXX, RLX/RRSAF can help reduce the time and resources required for database-related tasks. This can lead to cost savings and improved productivity for development teams. The ability to utilize multiple DB2 threads can further optimize performance.

Question 11

How does RLX/RRSAF help with application modernization?

Accepted Answer

RLX/RRSAF facilitates the integration of REXX-based applications with DB2 databases. This integration allows organizations to leverage existing REXX skills and infrastructure while modernizing their database interactions. It provides a bridge between legacy systems and modern database technologies.

Question 12

What specific authentication methods are supported?

Accepted Answer

RLX/RRSAF relies on the security features of the underlying z/OS and DB2 environments. It does not provide its own authentication mechanisms. Access control is managed through the security settings configured within z/OS and DB2, such as RACF or other security managers.

Question 13

What access control model is used?

Accepted Answer

Access control is handled through the security features of z/OS and DB2. This includes the use of security profiles and user permissions defined within the z/OS security manager (e.g., RACF). RLX/RRSAF leverages these existing security mechanisms to control access to database resources.

Question 14

What encryption is used and where?

Accepted Answer

RLX/RRSAF does not perform encryption. Security is provided by the underlying z/OS and DB2 environments, which may employ encryption for data at rest and in transit. The specific encryption methods used depend on the configuration of these systems.

Question 15

What audit/logging capabilities exist?

Accepted Answer

Auditing and logging capabilities are provided by the z/OS and DB2 systems. These systems can be configured to log database access and operations performed by RLX/RRSAF. The specific audit trails and logs generated depend on the configuration of the underlying systems.

Question 16

What administrative interfaces are available?

Accepted Answer

Administration is primarily performed through the z/OS console and DB2 utilities. There is no dedicated CLI or GUI for RLX/RRSAF. Configuration parameters are typically set in configuration files. Monitoring is done through standard z/OS and DB2 monitoring tools.

Question 17

How is user management handled?

Accepted Answer

User management is handled through the z/OS security system (e.g., RACF). User access to DB2 resources is managed using DB2 security features. RLX/RRSAF relies on the underlying security infrastructure for user authentication and authorization.

Question 18

What are the main configuration parameters?

Accepted Answer

The main configuration parameters include database connection details, security settings, and logging options. These parameters are typically set in configuration files. The specific parameters and their settings depend on the environment and the requirements of the application.

Question 19

What monitoring/logging capabilities exist?

Accepted Answer

Monitoring and logging are performed using z/OS and DB2 monitoring tools. These tools provide insights into the performance and behavior of RLX/RRSAF and the DB2 subsystem. The specific monitoring capabilities depend on the tools and configurations in place.

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RLX/RRSAF

Product Overview

Frequently Asked Questions

How does RLX/RRSAF enable the use of multiple DB2 threads from REXX?

What is the primary function of RLX/RRSAF?

What is the history of RLX/RRSAF?

What database access methods does RLX/RRSAF support?

What are the most common commands and their syntax?

What configuration files or interfaces are used?

What types of APIs does RLX/RRSAF expose?

What are the main system components and how do they communicate?

What is the business value of using RLX/RRSAF?

How does RLX/RRSAF contribute to cost savings and productivity?

How does RLX/RRSAF help with application modernization?

What specific authentication methods are supported?

What access control model is used?

What encryption is used and where?

What audit/logging capabilities exist?

What administrative interfaces are available?

How is user management handled?

What are the main configuration parameters?

What monitoring/logging capabilities exist?

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