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Example of Special-names:
Consider the illustration: Let the SPECIAL-NAMES paragraph be as shown:
SPECIAL-NAMES. CHANNEL 1 IS PAGE-TOP.
The Channel is related with the top of the page. Whereas instructing the computer to write a line on the line printer, the programmer may like to state that the line should be printed as the first line on a new page. This may be completed by involving the ADVANCE TO CHANNEL 1 clause in the write statement. The aim of the special name clause illustrated above is to enable the programmer to substitute CHANNEL 1 by PAGE-TOP in the ADVANCING clause. The idea is to give better documentation. If one favors to use CHANNEL 1 in the write statement, then the special name entry is not needed.
DISPLAY STATEMENT: The function of the DISPLAY statement is just opposite to that of the ACCEPT statement. It is used to display the low-volume results on the operator's co
Illustration of Subtract verb: (a) SUBTRACT A FROM B. This illustration means that the value of A will be subtracted from the value of B and the subtracted result will be s
Example of Move corresponding: Consider the DATA DIVISION entries shown below. Suppose it is needed that the data stored in the 4 fields of the PAY_REC should be
BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS
Comparing features of oracle rdbms with Mysql
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the
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 RENAMES CLAUSE: identification division. program- id. environment division. data division. working-storage section. 01 emp. 02 empdet.
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