This Blog made for CPA students @ seneca College

i ll include all my notes for all my courses

Sunday 14 August 2011

IBC233 - WEEK 2


What’s client access?
It’s the green screen to login in to the server.
Name that server ?
Our server
Machine name
Operating system name
Odin
AS/400
OS/400

Iseries
OS/400

System I
I5/os
Zeus
Power systems
IBM i

Definitions :
Power systems
Unix equivalent
User id
Account
Library
Similar to a directory
Interactive job
What you do from the time you sign on to when you sign off
Batch Job
Work that you submitted to the background
Queue









System Values VS user profile
-          System values configures Zeus for everyone .
-          User profile customizes Zeus configurations .

What’s Zeus doing ?
-          Work with active jobs.
-          System vs subsystem
-           

**Shift + ESC then number 2 to exit a program “ Shut a program “
How the system I finds objects ?
-          When an object is created , it is created ‘in a particular library .
-          To access an object . the I series

There are 8000 library  in the system .
** Library list consists
MSGS are NOT objects .
SPOOLED Files are NOT Objects .
How do libraries get on your library list
**When you create a physical file and you don’t specify the library the system assume that you want to store it in your current library.
** RPG ( REPORT PROGRAM LANGUAGE )
·         HOW WE ACCESS THE DATABASE .




Steps to writing a CL program
1-      Created a source physical file.” QCLLE  SRC “.
2-      Created a member – Type CLLE .
3-      Typed in code .
4-      Saved and complied
5-      Tested program
** CL IS NOT A HIGH LEVEL LANGUAGE .
Steps to writing a RPG program,
1-       Created a source physical file.” QRPGLE  SRC “.
2-      Created a member – Type RPLLE .
3-      Typed in code .
4-      Saved and complied
5-      Tested program
    REMINDER : SHUT THE MACHINE DOWN When you done because RDP stores your source files !

How to create physical file in RDP
1-      Right click in your library and select create source physical file .
2-      And then create member in source physical file by clicking right click on the physical file.

Whats DDS ?
6-      Created a source physical file.” QDDS  SRC “.
7-      Created a member – Type PF
8-      Typed in code .
9-      Saved and complied
10-   Tested program
DB2 – the database
·         Objects created using either DDS coded programs
·         SQL
Primary key: is a piece of information to define each record.

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