How do I edit a VSAM file?

Follow these steps:

Type I on the command line of the Edit Data Set screen. A pop-up window displays requesting the inserted record length.
Specify the new record length.
Press Enter.
Update the key value.
Modify the record length if necessary by using the V line command.

How do you update a record in VSAM using JCL?

Re: Need to update VSAM through JCL Copy original VSAM file to sequential file. Use sort, Easytrieve, whatever (I do not know your shops tools) to make your changes. Output from above for you input, and create a new output. Create your new VSAM file using the new output from above.

What are the IDCAMS commands that can be used for VSAM?

VSAM – Commands

Alter.
Repro.
Listcat.
Examine.
Verify.

How do I rename a VSAM dataset?

Follow these steps:

Open the Directory List view.
Right-click the VSAM data set that you want to rename and select Mainframe Data Set Utilities, Rename Data Set.
Type the new name into the New cluster field. By default, the Same update to data and index option is selected.
Click OK.
Click OK.

How do I add data to a VSAM file?

Use the COBOL WRITE statement to add a record to a file without replacing any existing records. The record to be added must not be larger than the maximum record size that you set when you defined the file. Your program should check the file status key after each WRITE statement.

How can I tell when my VSAM file was created?

ISPF option 3.4 ( Data Set List Utility) show last referenced date, Select initial view 4 (Total) or you can toggle using PF11(RIGHT). or just put ‘S’ in 3.4 option beside the . DATA component of file.

How do I increase space in VSAM?

Any JCL or VSAM Utility to get number……How to increase the VSAM file space?

Author	Message
Przemyslaw Krekora New User Joined: 20 Feb 2008 Posts: 9 Location: Poland	Posted: Sat May 31, 2008 3:26 am Maybe you shuould use IDCAMS- REPRO command to copy the contents of smaller file to new larger
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How do I update VSAM in Cobol?

READ FILE1 INTO WS-FILE1-REC. MOVE ‘4001’ TO EMPNO. MOVE ‘SONU’ TO WS-EMPNAME-REC. REWRITE FILE1-REC FROM WS-FILE1-REC….

Read the vsam file.
Compare for “ravi”.
If “ravi” move “sonu”.
Rewrite the record.

What is IDCAMS utility in JCL?

JCL – IDCAMS Utility IDCAMS stands for Integrated Data Cluster Access Method Services. IDCAMS utility is used to create, modify and delete the VSAM datasets. IDCAMS Utility is very useful utility to manipulate VSAM datasets.

What is the difference between KSDS and ESDS?

CICS® supports access to the following types of data set, Key-sequenced data set (KSDS), Entry-sequenced data set (ESDS) and Relative record data set (RRDS) (both fixed and variable record lengths). A KSDS or ESDS can have records that extend over more than one control interval. These are called spanned records.

How do I rename a file in Cobol?

To rename a data item or paragraph in your COBOL file, complete the following steps:

Select a data item or paragraph name, and right-click. A menu is displayed.
Click Refactor > Rename.
Type the new name, and perform one of the following actions:
If you clicked Preview in the previous step, click Continue.
Click OK.

What does the alter command do in VSAM?

This command is used to change the attributes of an existing VSAM data set. It is important to note that not all attributes can be changed with ALTER. For example, you cannot alter the record length of a VSAM data set if it already contains records, or change the key length or offset for a KSDS if it already has records, etc.

How to alter the record length of a VSAM file?

For example, you cannot alter the record length of a VSAM data set if it already contains records, or change the key length or offset for a KSDS if it already has records, etc. In such cases, the only alternative is to back up the data, delete-define the VSAM file and reload the data. A few examples of ALTER command are given below.

What are the most useful VSAM commands in Linux?

Following are the most useful VSAM commands − ALTER command is used to modify VSAM file attributes. We can change the attributes of VSAM file which we have mentioned in VSAM Cluster definition. Following is the syntax to change the attributes − Above syntax shows which parameters we can alter in an existing VSAM cluster.

How to copy data from sequential file to VSAM file?

If you will execute the above JCL on Mainframes server. It should execute with MAXCC = 0 and it will alter the Freespace, Volumes and Keys. REPRO command is used to load data into VSAM dataset. It is also used to copy data from one VSAM data set to another. We can use this command to copy data from sequential file to VSAM file.