What is reference modification?

Reference modification is a syntax for referencing a portion (substring) of a data item. The reference defines a temporary, unique data item. Reference modification may be used anywhere in the Procedure Division.

What is reference modification in cobol?

Reference modification defines a data item by specifying a leftmost character and optional length for the data item.

What is reference modification in mainframe?

Reference modification – IBM Mainframe Reference modification is a syntax for referencing a portion (substring) of a data item. The reference defines a temporary, unique data item. Both the leftmost character position and the length value can be written as integer literals, data items, or arithmetic expressions.

What is move corresponding in Cobol?

The MOVE corresponding is a group move but the elementary items of sending group item should match with elementary items of receiving item. MOVE CORRESPONDING only affects data-items that are having identical names in both sending and receiving group items.

What is the difference between FB and VB in JCL?

​Fb files will have fixed length records in file where as VB files have different length records.

What is difference between index and subscript in Cobol?

In this topic, we described about the Difference between Index & Subscript with detailed example….Summary –

Subscript Index
Subscript can increase by using ADD statement and decrease by using SUBTRACT statement. Index can increase by using SET UP BY statement and decrease by using SET DOWN BY statement.

How is GDG defined in JCL?

Create/ Alter GDG in a JCL

  1. NAME specifies the physical dataset name of the GDG base.
  2. LIMIT specifies the maximum number of versions that the GDG base can hold.
  3. EMPTY uncataloges all the generations when the LIMIT is reached.
  4. NOEMPTY uncataloges the least recent generation.

How do you display in COBOL?

Display verb is used to display the output of a COBOL program. DISPLAY WS-STUDENT-NAME. DISPLAY “System date is : ” WS-DATE. IDENTIFICATION DIVISION.

What is corresponding in COBOL?

The CORRESPONDING (CORR) phrase causes ADD, SUBTRACT, and MOVE operations to be performed on elementary data items of the same name if the alphanumeric group item or national group item to which they belong is specified. Both identifiers that follow the keyword CORRESPONDING must name group items. …

What is GDG in mainframe?

A generation data group (GDG) is a collection of historically related non-VSAM data sets that are arranged in chronological order. That is, each data set is historically related to the others in the group. Within a GDG, the generations can have like or unlike DCB attributes and data set organizations.

What is Recfm in SAS?

To read such a file, you need to use the LRECL= option to specify the record length and the RECFM= option to tell the SAS System that the records have fixed-length record format. When you specify RECFM=F, the SAS System ignores any carriage controls and linefeeds and simply reads the record length that you specify.

Which is faster index or subscript?

Subscript is slow in accessing table data item. Index is faster in accessing table data item. Subscript can initialize by using MOVE statement. Index should initialize by using SET statement.

Where can I find the modifications guide for AFSPC?

MODIFICATIONS GUIDE REFERENCES: – FAR Part 43 & SUPS …to include the PGIs! – Miscellaneous parts of the FAR & SUPS for the quick reference table AFSPC Modification Checklist (May 2006) AFSPC 64-4 Checklists- Guidebook 1 – Contract Action Review

Can a unilateral change order cite the changes clause?

THIS IS NOT FAVORED BY legal nor policy. Unilateral Change orders will cite the appropriate Changes clause in block 13A of the SF30. Bilateral modifications , including those issued under the Changes clause or any other appropriate clause will cite the appropriate clause in Block 13C of the SF30. Other unilateral modifications

Which is an example of an unilateral modification?

Unilateral modifications are used, for example, to- (1) Make administrative changes; (3) Make changes authorized by clauses other than a changes clause ( e.g., Property clause, Options clause, or Suspension of Work clause); and (4) Issue termination notices.

Where do I cite authority for a modification?

Other unilateral modifications , such as a exercise of option, will cite the appropriate clause or authority in Block 13D of the SF30. Modification Subject Authority CHANGE IN — Designs, Drawings, Specs, SOW, etc