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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 SCREEN SECTION WITH FILES: identification division. program- id. environment division. input-output section. file-control. select
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
LABEL RECORD CLAUSE: This clause specifies whether or not the standard header and trailer labels must be present in the magnetic-tape files. VALUE OF CLAUSE: The VAL
We have input file, record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input f
PROGRAM TO DEMONSTRATE MERGE VERB: The two files for which a record having 2 fields viz. Account Number and Name are already available. Now Merge these two files and create a
SPECIAL-NAMES: This paragraph is used to associate some hardware names to the user-specified mnemonic names. This paragraph is elective in all compilers. The format of this pa
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
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
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
Data Division: The Data Division is a part of the COBOL program where every data item processed by the program is described. It is very important to note that unless a data
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