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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 is to reverse the value of the condition. It might be seen that the operator NOT can be used in 2 ways. In easy conditions it can be used as a part of the condition. It can also be used to precede an easy condition to make it a negated simple condition. An illustration of the first use may be DEPOSIT NOT LESS THAN 500.00 whereas an illustration of the second use is Not DEPOSIT LESS THAN 500.00. Of course, in this situation, both the circumstances mean the similar thing and can be used in either form. What is the role of the operator NOT. In the previous situation NOT is the part of a relational operator and in the latter case it is a logical operator. Although, NOT should not precede a simple condition which includes NOT as a part of it.
single program how may when statement has used
OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen. identification division.
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
, (Comma) : A comma, whenever used in a picture, is considered as an insertion character and inserted wherever it become visible. There can be more than one comma in the pictu
REWRITE STATEMENT: The REWRITE statement has the format for a relative file as shown below, REWRITE record-name [ FORM identifier ]
Evaluate is like a case statement & Evaluate stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE
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
BLANK WHEN ZERO: BLANK WHEN ZERO is an editing clause that may be used along with a picture. This will set the whole data item to blanks of its value is equal to zero. Though,
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
Rules for Simple sort verb: The work file is to be defined by a sort elaboration entry (SD entry).The format of SD entry is as shown below. The rules below should be taken
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