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Valid and Invalid Word - Cobol words:
Valid Word Invalid Word & Reason
emp-sal -pay ( it starts with a hyphen)
TOTAL MARK (blank space embedded)
There are 2 types of words in the COBOL. The COBOL word can be either a user-defined word or reserved word. The reserved words are used in the COBOL statements and entries for the specific aims by the COBOL compiler.
Some reserved words are shown below:
IF, PERFORM, ADD, SUBTRACT, MULTIPLY, DIVIDE etc.
Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST
Rules for apply for the condition name: The rules below apply for the condition name. (i) The Condition names should be explained at level 88. The level number starts in ma
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and
PROGRAMS FOR REDEFINES CLAUSE: We have to write a simple program to explain the REDEFINES clause at 01 level. identification division. program- id. Redef. environment
Major difference between file and array how does record read from array and file why we are not preparing array for real time
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
REWRITE STATEMENT: The REWRITE statement has the format for a relative file as shown below, REWRITE record-name [ FORM identifier ]
What is the difference b/w index and subscript? Subscript indicates to the array occurrence whereas index is the displacement (in no of bytes) from the beginning of the array.
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
Example of Class condition: Let the BASIC-PAY be a data name in the card record defined with picture 9(5) V99. By reading the card we can test the value of the BASIC-PAY to ma
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