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Illustration of if- else statement:
IF OK-BALANCE NEXT SENTENCE ELSE MOVE 2 BALANCE-CODE
In this illustration, the OK-BALANCE is a condition name. No action is specific if this condition is true. And when the condition is false, BALANCE-CODE must be set to 2. The sentence is equal to the following flow chart.
It may be noted that any If sentence can be alternatively written by just negating the condition. In order to maintain the meaning of the unique sentence, the then and else parts are to be interchanged. Therefore the following sentence has similar meaning as the one illustrated above.
IF NOT OK-BALANCE MOVE 2 TO BALANCE-CODE ELSE NEXT-SENTENCE
If preferred, the ELSE NEXT SENTENCE phrase may be dropped to get the equivalent form as shown.
IF NOT OK-BALANCE MOVE -2 TO BALANCE-CODE.
File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi
simplify smple interest
scope of marginal costing
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
WRITE Statement: The WRITE statement for a relative file has the format which is as shown below. WRITE record-name [ FORM identifier ]
Illustration of nested if statement: Consider the nested sentence which is as shown below: The IF-ELSE pairs in this sentence can be detected by applying the rule whic
Example of condition names: The illustration below is of the use of the condition names 77 MARITAL-STATUS PIC 9 88 SINGLE VALUE IS ZERO 88 MA
NEGATED SIMPLE CONDITION: Any of the easy condition explained can be preceded by the logical operator NOT. The consequence of placing the operator NOT before an easy condition
Comparison of Nonnumeric Operands: A nonnumeric operand can be compared to the other nonnumeric operand according to the rules as shown below: (i) Fields of Equal Sizes:
Edit Characters for Numeric Data: The characters below can be used in the PICTURE clause to indicate the editing. Z * $ - + CR DB . , B O /
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