What is Joinkeys in sort?

What is Joinkeys in sort?

JOINKEYS feature joins transactions/records from two different files based on certain keys (i.e. fields with common information). The SORTJNF1 and SORTJNF2 DD statements were used to specify these files.

What does join unpaired in sort?

JOIN UNPAIRED,F1,ONLY is used to restrict the output (SORTOUT) to the records in F1 that do not have matching keys in F2. UNPAIRED,F1,F2 to keep the unpaired joined records as well as the paired join records.

How do I get unmatched records on Joinkeys?

1 Answer. It is a simple JOINKEYS: OPTION COPY JOINKEYS F1=INA,FIELDS=(4,80),SORTED,NOSEQCK JOINKEYS F2=INB,FIELDS=(4,80),SORTED,NOSEQCK JOIN UNPAIRED REFORMAT FIELDS=(F1:1,227,F2:1,227,?) The OPTION COPY is for the Main Task, the bit which runs after the joined file is produced.

How do I compare two mainframe files?

Follow these steps:

1. Open the Dataset Compare screen from the main menu (Option 3.10).
2. Identify the data sets that you want to compare in the “OLD” Dataset and “NEW” Dataset fields.
3. Set the following options:
4. Enter the layout data set and layout member in the Record Layout for Formatted Print section.

What is table join in SQL?

SQL JOIN. A JOIN clause is used to combine rows from two or more tables, based on a related column between them. The relationship between the two tables above is the “CustomerID” column.

What is the difference between Inrec and Outrec in sort?

What is the exact difference between INREC and OUTREC statements in SORT? INREC is processed BEFORE the records are sorted, merged or copied. OUTREC is processed AFTER the records are sorted, merged or copied.

How does join keys work in JCL?

With the help of JOINKEYS in SORT JCL, various join operation on matched and non-matched records can be executed based on matching fields or Keys. Joining can be performed in number of ways like inner join, full outer join, left outer join, right outer join and unpaired combinations.

What is Inrec overlay in sort?

INREC OVERLAY operation is used in order to rewrite data in input file before copying to output.

How do you write a matched record in JCL?

JCL SORT to join two files and writes records from both files :

1. Matched Records (Inner Join) –
2. Matched Records and Non Matched Records from File1 –
3. Non Matched from File1 –
4. Matched Records and Non Matched from File2 –
5. Non Matched from File2 –
6. Matched Records and Non Matched Records from both files –