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FILE-CONTROL paragraph for the indexed files:
The common format for the SELECT clause for a file is as shown below:
SELECT file-name ASSIGN TO implementor -name
The ORGANIZATION clause specifies that the file is an indexed file. The RECORD KEY clause indicates the record key data item on the basis of which the file is sequenced. The field that is specified in the RECORD KEY clause (data-name-1) is also termed as the primary key. Whereas the files are stored on the basis of the prime key, that is the records of an alternative key.
cobol program for generate a eb bill
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION (RANDOM MODE): We have to write a program to create an Indexed Sequential File in random mode for Student particulars. Suppose jus
IF STATEMENT: The easiest form of the IF statement is IF condition-1 statement-1 where the condition-1 may be any one from the shown below. When the condition-1
Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t
NONSTANDARD CLAUSES: The various clauses explained above are as per the ANSI standard. Also, most compilers provide for additional nonstandard clauses to meet the specific nec
RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different
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
UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda
Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
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