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Pathway Application Programming - C Language

( Duration: 4 Days )

In Pathway Application Programming - C Language training course, you will learn to understand how Pathway applications utilize the features of the system architecture and operating system. In this course, you will acquire the information needed to develop Pathway applications quickly and efficiently using the C language.

By attending Pathway Application Programming - C Language workshop, delegates will learn:

  • Components of the Pathway environment
  • C requester programs with PATHSEND
  • Context-free C server programs that access Enscribe and HP NonStop SQL/MP databases
  • Using HP NonStop Transaction Monitor/MP (TM/MP) to ensure database consistency and integrity in the Pathway application environment
  • Debugging requester and server programs using the Inspect facility
  • Pathway system administration including configuration, starting, stopping, and monitoring components

  • Knowledge of ANSI-standard SQL
  • C Programming on HP NonStop systems

  • This Pathway Application Programming - C Language class is intended for C language application programmers who will be developing applications using the Pathway product

COURSE AGENDA

1

Pathway introduction

  • Online transaction processing (OLTP) in the HP NonStop server environment
  • The requester-server approach to online transaction processing
  • Pathway application and its role in online transaction processing
  • Components of a Pathway environment
  • Starting PATHMON and PATHCOM
  • Client/server options available in the Pathway environment
2

Pathway configuration and operation

  • Difference between global and object-specific configuration parameters
  • Configuring global and object-specific parameters
  • Cold starting and cool starting a Pathway system
  • Starting the Pathway objects individually
  • Monitoring and maintaining a Pathway system
  • Shutting down a Pathway system
  • Capturing the current Pathway environment
3

Server fundamentals

  • Requester-server model
  • Basic function of a server
  • Function of $RECEIVE in interprocess communication
  • Steps that make up the basic structure of a server program
  • Why servers should be context-free
  • Recognizing and addressing the problems with concurrent database access by servers
  • Coding the Guardian procedures for server message processing
  • Differences between application messages and system messages
4

Inspect debugging

  • Basic syntax and use of the more common Inspect commands for debugging C programs
  • Components of the Inspect debugging environment
  • Steps required to debug a stand-alone process
  • Steps necessary to debug a Pathway server
5

Enscribe database access

  • Enscribe file types
  • Coding the Guardian procedures to create and access Enscribe files
  • Coding the Guardian procedures to perform record positioning for Enscribe files
  • Appropriate error checking
  • Alternate key access to Enscribe files
  • Identifying and addressing simultaneous update issues
  • File and record locking procedures
  • Modifying Enscribe file characteristics
6

NonStop SQL database access

  • Use of NonStop SQL statements to insert, update, and delete rows in an SQL database
  • Identifying and defining host variables
  • Operation of a cursor
  • Writing statements to report SQL run-time errors
  • Process involved in building a C program with embedded SQL statements
7

NonStop Transaction Services/MP (TS/MP) programming

  • Major components that make up the HP NonStop TS/MP environment
  • Pathsend environment and the capabilities of a Pathsend requester
  • Coding the Pathsend procedures
  • Coding nowait Pathsend operations
  • Design considerations in using the Pathsend facility
  • HP NonStop TS/MP server design considerations
8

Data integrity and application availability threats to data integrity

  • Guardian procedure calls that ensure database integrity through the TM/MP subsystem
  • Writing Guardian procedure calls to invoke services from the TM/MP subsystem
  • Use of the TS/MP subsystem to provide for continuous availability of processes

Encarta Labs Advantage

  • One Stop Corporate Training Solution Providers for over 6,000 various courses on a variety of subjects
  • All courses are delivered by Industry Veterans
  • Get jumpstarted from newbie to production ready in a matter of few days
  • Trained more than 50,000 Corporate executives across the Globe
  • All our trainings are conducted in workshop mode with more focus on hands-on sessions

View our other course offerings by visiting https://www.encartalabs.com/course-catalogue-all.php

Contact us for delivering this course as a public/open-house workshop/online training for a group of 10+ candidates.

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