What is option equal sort?
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What is option equal sort?
Re: OPTION EQUALS in SORT. EQUALS specifies that the sequence of equal collating records is to be preserved from the input to output, No way related to SORT FIELDS=COPY. Whenever you sort a file, if you have the same key, the input sequence/order is preserved.
What is Dynalloc in sort?
DYNALLOC: Two data sets (by default) are allocated on SYSDA (by default). The space on the data set is calculated using the SIZE value in effect. Example – 2 SORT FIELDS=(1,2,CH,A),CKPT OPTION EQUALS,NOCHALT,NOVERIFY,CHECK. CKPT: DFSORT takes checkpoints during this run.
What is equals in sort JCL?
The EQUALS option will ensure that if two or more records have the same sort key values then the order of those records is preserved. This could require extra processsing cost since it has to keep track of the order.
What is sum fields in sort JCL?
JCL – SORT SUM Fields The SUM control statement specifies that, whenever two records are found with equal sort or merge control fields, the contents of their summary fields are to be added, the sum is to be placed in one of the records, and the other record is to be deleted.
What is ZD In sum fields?
Designates numeric fields in the input record as summary fields. specifies the length in bytes of the summary fields to be added….SUM control statement.
| Summary Field Formats and LengthsFormat Code | Length | Description |
|---|---|---|
| ZD | 1 to 31 bytes | Signed zoned decimal |
What is ZD format?
Details. The ZD format fills in zeros to the left of the data value. Like standard format, zoned decimal digits are represented as EBCDIC characters. Each digit requires one byte of storage space. The rightmost byte represents both the least significant digit and the sign of the number.
What is zoned decimal?
Zoned-decimal format means that each byte of storage can contain one digit or one character. In the zoned-decimal format, each byte of storage is divided into two portions: a 4-bit zone portion and a 4-bit digit portion.
What is SFF in sort JCL?
SFF (signed free form) and UFF (unsigned free form) can be used for numeric values that include separators (e.g. commas), decimal points, various types of signs, etc. SFF extracts the sign and digits from these values. UFF extracts the digits from these values.
What is Outfil in JCL?
OUTFIL control statements allow you to create one or more output data sets for a sort, copy, or merge application from a single pass over one or more input data sets. You can use multiple OUTFIL statements, with each statement specifying the OUTFIL processing to be performed for one or more output data sets.
How do you write ZD?
The ZD format fills in zeros to the left of the data value. Like standard format, zoned decimal digits are represented as EBCDIC characters. Each digit requires one byte of storage space….Note:
- ‘F0’x=0, ‘F1’x=1, and so on.
- ‘C0’x=+0, ‘C1’x=+1, and so on.
- ‘D0’x=-0, ‘D1’x=-1, and so on.
