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ADD and SUBTRACT CORRESPONDING:
The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPONDING option.
In the situation of the ADD statement, the numeric elementary items in the group referred to by identifier-1 are added to and stored in the equivalent elementary items of the group named in identifier-2. In the situation of the SUBTRACT statement, the equivalent numeric elementary items of the group referred to by identifier-1 are subtracted from and are stored in the equivalent numeric elementary items of the group referred to by identifier-2.
Size: The number of characters or digits needed to store the data item in the memory in termed as the Size of the data item. All the 4 general characteristics explained can
OPEN statement: We know that the processing of a file should start with the execution of an OPEN statement. The file can be opened in any one of the 4 open modes - INPUT, OUTP
Illustration of indexed tables: Index items defined through the INDEXED phrase of the OCCURS clause are one type of indexes. There can be other type of index items that are de
REWRITE STATEMENT: The REWRITE statement has the format for a relative file as shown below, REWRITE record-name [ FORM identifier ]
PROGRAM FOR ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.
PROGRAM FOR SIMPLE PERFORM: We have to write a program to elaborate simple PERFORM statement Identification division. Program- id. Perf1. Environment division. Da
Abbreviation: The Consecutive relational conditions in a compound condition can be abbreviated in many cases as shown: (i) When the subjects in the consecutive relational c
There are some restrictions when these procedures are used. (i) The Procedure should not contain any SORT/MERGE statement. (ii) An explicit transfer of the control outside
File- Section &Working-Storage Section: a) FILE SECTION: The FILE SECTION includes the explanation of all data items that must be read from or written onto some external
Introduction to MOVE Verb: The aim of this section is to introduce the learner how to move data from one place to the other place in the memory. This is completed with the help
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