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Transaction file:
A transaction file is a file which contains new records those changes to old records which are used to update the master file.
The problem of file updation can be defined as shown below:
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
Example of Accept statement: For illustration, ACCEPT FLAG-A can be specified to read the value of the FLAG_A from the console. It may be keep in mind that no file definition
COMPOUND CONDITION: The two simple conditions can be connected by the logical operators AND or OR to form a compound condition (also termed as combined condition). When two co
CONDITIONS-NAME CONDITION: The condition name is an entity which itself is a condition and these can have either a true or false value. Though, a condition name cannot be d
VALUE CLAUSE: The value clause defines the preliminary value of the data item. Normally initialization will be completed just before the first statement in the procedure di
Data types available in COBOL are given below Alpha-numeric (X), numeric (9), alphabetic (A)
PERFORM STATEMENT: The PERFORM statement can be used to execute the group of consecutive statements written elsewhere in the program. We refer to this group of statements a
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
Minus sign - edit characters for numeric data: The minus sign can appear either at the leftmost or rightmost location of the picture. If an item is negative, a minus sign will
COMPUTE VERB: The COMPUTE verb is very powerful. All the evaluations performed by the other 4 verbs can also be completed easily by using the COMPUTE verb. Its normal format i
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