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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.
INDEXED TABLES: The OCCURS clause that is used to define tables can optionally have an INDEXED phrase. This phrase involves the names of data items which are to be used as sub
Picture Clause: The picture clause explains the general characteristics of an elementary data item. These characteristics are elaborated below: Class: In COBOL the
Example of Level numbers - cobol programming: To explain the hierarchical structure introduced above, the concept of the level number is employed in COBOL. The most broad
simplify smple interest
Figurative Constants: The Figurative constants have several fixed names and the compiler recognizes these names and it sets up the equivalent values in the object program.
PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration: A) Perform the para-2 5 times. In this situation the specifie
Can u please let me know how can i use SSA''s in IMS while fetching segments. Thanks, Rajesh
NESTED IF STATEMENT: The then and else statement of an IF statement can hold other IF statements. The involved IF statements in their turn may also hold other IF statements
Illustration of the abbreviation: A few illustration of the abbreviation are given below: Illustration: The compound condition AMOUNT GREATER THAN 499 AND AMOUNT L
COMPUTE VERB: The COMPUTE verb is very powerful. All the evaluations performed by the other 4 verbs can also be completed easily by using the COMPUTE verb. Its normal format i
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