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CR and DB (Credit and Debit Sign):
The two characters that is CR or DB symbol may appear only at the rightmost place of the picture. They are similar to the minus sign edit character. In another words, the symbols CR or DB will appear in the rightmost place, only if the item is negative, or else they will be replaced by two space characters.
Examples:
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
PROGRAM FOR PERFORM - VARYING: We have to write a program to elaborate PERFORM ...VARYING Identification division. Program- id. PerfVary. Environment division. Dat
SIMPLE MERGE VERB: Like sorting, the merging of files is often required in different commercial application. It is likely to merge two or more files with the help of one MERGE
PROGRAMS FOR REDEFINES CLAUSE: We have to write a simple program to explain the REDEFINES clause at 01 level. identification division. program- id. Redef. environment
PICTURE specification: The size of a group item is equivalent to the total of the sizes of all the subordinate elementary items. The group item class is alphanumeric. The i
Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par
PROGRAM FOR SIMPLE PERFORM: We have to write a program to elaborate simple PERFORM statement Identification division. Program- id. Perf1. Environment division. Da
STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the
Picture Clause: The picture clause explains the general characteristics of an elementary data item. These characteristics are elaborated below: Class: In COBOL the
RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause
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