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 is 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.
What is join unpaired in SORT?
What is join key?
A set of fields that identify the records to include in a blended data source. In a blended data source, each component data source must share one or more dimensions, known as a join key (or just a key, for short).
What are reformat fields in JCL sorting?
REFORMAT FIELDS= (F1:1, 71, F2:1, 9) – REFORMAT fields tells the sort utility, what fields to be written into output file from the input files by specifying starting and ending position. JCL SORT to join two files and writes records from both files : Matched Records (Inner Join) –
What is the difference between join and reformat statements?
If a JOIN statement with the ONLY operand is specified, the REFORMAT statement does not have to be specified. In this case, the layout of the joined records will depend on the specified JOIN statement operands as follows: The joined records will be the original unpaired F1 records.
What is the use of reformat fields?
REFORMAT fields tells the sort on what fields to be written into output file from the input files. 2. Both Files Matching Records + Non Matching from File1 (Left outer join) 3. Non Matching from File1 4. Both Files Matching Records + Non Matching from File2 (Right outer join) 5. Non Matching from File2 6.
What is the difference between reformat fields and matching records?
And only the matching records are written into output file. REFORMAT fields tells the sort on what fields to be written into output file from the input files. 2. Both Files Matching Records + Non Matching from File1 (Left outer join)