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mainframe - What is MVS and JCL? - Stack Overflow MVS is the operating system for the IBM mainframe systems and JCL is the job control language for the mainframe You could correlate MVS to Linux and JCL to Bash for example
How to run a Cobol application on Hercules mainframe emulator (Terminal . . . I'm most familiar with MVS 3 8, but there are others Once you pick and install an operating system, you can find manuals for that operating system online Unless you are a systems programmer expert in your particular operating system, you will need to hire a tutor to guide you step by painful step in setting up your operating system
Mainframe Jcl proc - Stack Overflow 1 z OS MVS JCL The IF THEN ELSE ENDIF statements The z OS JCL IF THEN ELSE statements are described in the " z OS MVS JCL Reference ", chapter IF THEN ELSE ENDIF statement construct These statements can be used to test the termination result of previously executed steps From the point of view of z OS MVS a step has successfully
Materialized view log fast refresh memory management Yes, you need MV Logs on all source tables You can use joins in a fast refresh, but you generally need to include the ROWID column from each source table in your MV query Alias them something like t1 rowid t1_rowid, t2 rowid t2_rowid, etc so you can include them all and tell them apart and 4 Log purge is automatic when a refresh takes place When all MVs registered against the log have