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How to use JOINKEYS in SORT Jcl?

How to use JOINKEYS in SORT 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….Control Statements :

  1. JOINKEYS FILES=F1, FIELDS=(1, 10, A) – Specifies the file1 join criteria.
  2. JOINKEYS FILES=F2, FIELDS=(1, 10, A) – Specifies the file2 join criteria.

What is reformat fields in Joinkeys?

A REFORMAT statement can always be used for a JOINKEYS application, and is required unless a JOIN statement with the ONLY operand is specified. The REFORMAT statement indicates the fields from the F1 file and/or the F2 file you want to include in the joined records, and the order in which you want the fields to appear.

What does JOIN unpaired mean?

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 are the Keys treated in DFSORT joinkeys?

The keys are always treated as unsigned binary (INREC can be used to “normalize” the keys in each data set before the records are joined, if necessary). The F1 data set will be sorted by the key in positions 1-5. The F2 data set will be sorted by the key in positions 5-9.

How are two data sets joined in DFSORT?

Records with the same key in both data sets are joined and constructed as directed by the REFORMAT statement using F1: for fields from the F1 record and F2: for fields from the F2 record. The resulting joined records are 53 bytes long and are copied to the SORTOUT data set (REGION.OUT).

What are the joinkeys statements for the F1 data set?

Two JOINKEYS statements are required: one for the F1 data set and another for the F2 data set. In this case, the first JOINKEYS statement identifies IN1 as the ddname for the F1 data set and indicates an ascending key (Region) in positions 1-5 of that data set.

How to use joinkeys in Syncsort-IBM mainframes?

Can anyone tell me how to do this using Joinkeys in Syncsort. there are two files F1 and F2. both files are compared with their keys, if the key matches then i have to inserted a mark, say ‘D’ at the end of the record else space in the file F1.