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SEARCH VERB:
The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of three fields, viz., the account number of a person, name of that and the amount that he has deposited. There are 400 such elements in the table and we want to find out whether a specific name is present in the table or not. The preferred name is given in the field is termed as NAME and if this name appears in an element of the table, we would like to show the name as well as the corresponding account number and amount. The DATA DIVISION entries for this trouble are as shown below:
The PROCEDURE DIVISION statements below can be a solution to the above problem.
In the above SEARCH statement, there are two sections- the AT END section and the WHEN section. If the condition NAME= NAME-OF-THE-PERSON (A1) is satisfied for some value the index name A1, the statement DISPLAY ACCOUNT-NUMBER (A1), NAM AMOUNT (A1) is executed. The AT END section is executed only when the whole table searched and the condition is not satisfied for any value of A1. The increment of A1 is take care by the SEARCH verb.
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK , both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:
PROGRAM FOR PERFORM - THRU: We have to write a program to elaborate PERFORM ...THRU statement Identification division. Program- id. Perfthru. Environment division.
PERFORM WITH VARYING OPTION: The format is as shown below:
RULES FOR SEARCH VERB: The rules apply for the SEARCH verb is as shown below: (1) The SEARCH verb can be applied only to a table that has the OCCURS clause and INDEXED phra
Structure of a COBOL Program: Every COBOL program should have the 4 divisions in the order in which they are specified below: 1. Identification division 2. Environment D
INPUT-OUTPUT SECTION: This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL. The
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 whene
Major difference between file and array how does record read from array and file why we are not preparing array for real time
RENAMES CLAUSE: At times re-grouping of an elementary data items in a record may be essential so that they can belong to the original as well as to the latest group. This is o
Example of File-control: The assign clause assigns a specific physical peripheral device name to a file. The physical peripheral device are machine-dependent. We use the devic
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