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Data Names and Identifiers:
The Data name provides reference to the storage space in the memory where the real value is stored. This value takes part in the operation whenever that specific data name is used in the Procedure Division.
The Identifier is a general term that means the single data name or a data name qualified, indexed or subscripted. The Data names are only one form of the identifiers. The data name should be a user-defined word and it cannot be a reserved word.
Examples:
Valid Data Names Invalid Data Names
NET-SALARY COMPUTE (Reserved word)
TOT-MARK MULTIPLY (Reserved word)
N100 23 (No letter)
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:
Column and Field in COBOL program: In COBOL there are 2 types of entries termed as margin A and margin B entries. The Margin A entries start from the column 8, 9, 10 or 11 and
How do I move a single QUOTE to a field or set the value clause? "''" does not work?
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
Example of Move corresponding: Consider the DATA DIVISION entries shown below. Suppose it is needed that the data stored in the 4 fields of the PAY_REC should be
Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil
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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
Illustration of Divide verb: (a) DIVIDE 5 INTO A. If the value of A is 20, then after execution of this statement the value of A will be 4. The older value of A will be los
ROUNDED OPTION: Let us consider the DATA DIVISION entries which are as shown below: Now, subsequent to the execution of the statement ADD A B GIVING C, the C will hold
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