start statementthe start statement places the
START STATEMENT:
The START statement places the files to the initial logical record whose record key satisfies the condition specified by the KEY phrase. The access mode should be SEQUENTIAL or DYNAMIC and the file should be opened in the I-O mode.
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procedure division statements for the indexed filesall the statements which are available for a relative file are also available for an indexed
write statementthe records are written to be logical place as determined from the value of the record key the invalid key condition occurs in the
rewrite statementas in the situation of a relative file the rewrite statement needs that the file should be opened in the i-o mode and if the
delete statementthe file should be opened in the i-o mode if the access is sequential the invalidkey phrase must be specified rather than the last
start statementthe start statement places the files to the initial logical record whose record key satisfies the condition specified by the key
file description for the relative and indexed filesthe fd entry for a relative or an indexed file is similar to that of a sequential file some
declarative and file status clausethe input-output exception condition in the situation of a direct access files can be handled by a declarative
direct organizationbesides the relative or indexed organization also a direct access file can be designed to have what is termed as direct
selection of file organizationwhile designing a file the programmer should select an appropriate association for a file the order in which the choice
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