Which are target area of COBOL applications?
Defense, Aircraft, Insurance, Finance, Retail etc (file & data oriented applications involved)
So we can say that COBOL is basically used for writing business applications
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IS NUMERIC is used to check if the data is numeric or not. IS NUMERIC clause IN COBOL EXAMPLE 01 WS-TEXT PIC X(05). MOV...
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REDEFINES Clause IN COBOL Sometime two or more different variables defined in a program are not in use simultaneously. Their memory can b...
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Level-66 Data-item is used for RENAMES Clause. RENAMES clause is used to regroup(Re-arrange), club together existing fields under a new name...
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Almost all COBOL compilers treat a line of COBOL code as if it contained two distinct areas. These are - AREA A - Between Column 8 to 11 -Di... -
SYNC Keyword is used in COBOL to align the data(storage-area) to a Word-Boundary(Any address which is a multiple of 4). This is because, on...