Difference PS and PDS

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COBOL + DB2 complication process.

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There are various step involved before we run/execute a COBOL + DB2 program.   Below step are the various steps.   Precompile.   Compile.   Link edit.   Bind.   Package & plan. Step 1: Precompile               COBOL compiler did not understand about SQL statement so, it undergoes to precompile. In precompile.     Expands all include copybooks which are written in program.     Extracts all SQL statements into DBRM and SQL statement are convert into call statements.    Generates time-stamp for modified source codes and DBRM .there are checked at run time.   Check syndicated error of SQL statements and validates the fields based on the table declaration from dclgen copybook.    Notes: precompilation process can be executed even if DB2 is down. DSNHPC    ----------- It is the program used for precompilation. Step 2:  ...
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ABEND list for JCL

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what is ABEND?   An ABEND (abnormal end) is an exception condition which results in the abnormal termination of a program or software. It is a common terminology used in the mainframe world where a JCL terminates with an error code.  S0CB -    Attempting to divide by 0 and not using ON SIZE ERROR S002 -    Very large record length/ wrong record length Sx22 -   Job has been cancelled. The value of x will vary depending on the way the job was  cancelled. . S222 -    Means job was cancelled by a user or operator without a dump.                If a TSO session times out you will probably get an S522 ABEND code. S222 -    The job was cancelled (by subsystem or operator) because it violated               Some restriction. S522 -  ...
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COBOL Compiler (IGYCRCTL)

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I GYCRCTL I CYCRCTL:  creates an object module, which is a non-executable machine language version of the source code. Example: //STEP001 EXEC PGM= IGYCRCTL , //  PARM=’DYN,DATA(31),LIST,NOOFF’ PARM specifies the options, which are being used while compilation. The details are as below: 1.   DYN :  It loads called sub-modules dynamically. This result in smaller load modules file. Related Option: NODYN 2.   DATA:  It has two formats DATA(24) and DATA(31). Default- DATA(31). Language Environment provides services that control the storage used at RUN-TIME. Specify the DATA(24) compiler option for programs running in 31-bit addressing mode that are passing data parameters to programs in 24-bit addressing mode.  This ensures that the data will be addressable by the called program.                     ...
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