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Questions tagged [vsam]

VSAM is an IBM DASD file storing method.

VSAM stands for Virtual Storage Access Method. This is file storing method by IBM mainframe in DASD format. It consists of four types of data set organizations.

  1. ESDS [Entry Sequenced Data Set]
  2. KSDS [Key Sequenced Data Set]
  3. RRDS & [Relative Record Data Set]
  4. LDS [Linear Data Set]

KSDS is mostly used out of all these four types.

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VSAM file locking when writing to it using Java JDBC

This is my first time trying to read and write to a VSAM file. What I did was: Created a Map for the File using VSE Navigator Added the Java beans VSE Connector library to my eclipse Java project Use the code show below to Write and Read to the…
CodeEngine
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How to get highest key value in between the given range in VSAM

I want to get the maximum key value in between the given range.(Maximum value between 1000 to 2000). Below My VSAM data. Key 1001 1002 1003 2001 2006 Now I have moved 1999 to key and start search START VSAM-KSDS-FILE KEY IS > 1999 Then I have…
karthi
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Is there a way to start reading an ESDS file from 10th record in an IBM Mainframe batch program?

Given: The ESDS file has record length of 80. It has 200 records. I have checked the following links, however didn't get a satisfactory answer. IBM Mainframe Forum Geekinterview
Soumendra
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Error when copying sequential dataset to VSAM file

I am trying to load a VSAM file with the data present in a sequential file using the below JCL, but I am getting the a JCL Internal error. //TESTJB5 JOB ,,NOTIFY=MURUGAN,REGION=6M //S1 EXEC PGM=IDCAMS …
Muthuraja S
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creating a vsam file using jcl

I am trying to create a VSAM file using IDCAMS utility in JCL. MAXCC code that it returns is 0000. But the newly created vsam file is not displayed in the list when I try to list it using 3.4. Can anyone help me on this.? The code that I have used…
Kinjal Shah
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Can writing to an output ksds be done if we use alternate key concept with dynamic access mode in a input ksds?

I have an input KSDS file, i am using emp-id as primary key and emp-dept as alternate key, with access mode as dynamic. I am reading the file using dynamic access base upon the alternate key, in runjcl i am using base ksds file and ksds path file,…
Shanu Dutta
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Is it possible to force delete VSAM file used by another Job/User?

We have a Job which takes a Back-up of VSAM file followed by standard Delete-Define-Repro of the same VSAM file. To handle the scenario of trying to delete a non-existing file we are following a standard practice to set MAXCC/LASTCC to 0 if Delete…
Mayur Manani
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Is there an R package to import VSAM files as a tbble or dataframe?

I am looking for ways to process VSAM files with R and export as a csv. I have been searching the web and have not been able to find any methods of using R to read VSAM files.
Joe
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z/VSE sample jcl to print sequential file to spool

I am trying to print the contents of a ca-datacom sequential file by using IDCAMS/REPRO, but was getting the below error. IDC3300I ERROR OPENING TEST001 IDC3318I ** INVALID DATA SET SPECIFICATION IDC0005I NUMBER OF RECORDS PROCESSED…
Nag
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Printing report on a VSAM file

I am making a payslip project using IBM mainframes and I am asked to create a payslip report for an employee every month. This payslip is supposed to be stored into a VSAM file in a format as follows as follows: The data can be fetched from DB2 via…
Sarthak Mehra
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Not able to read next record while browsing KSDS in CICS

I am trying to read a VSAM KSDS file sequentially using STARTBR and READNEXT. I am able to read the 1st record. After processing 1st record, I was expecting the read of 2nd record from the VSAM when READNEXT is executed but only first record is read…
user3145436
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