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FD Entry for variable-length Records:
The RECORDS CONTAINS and BLOCK CONTAINS clause are quite dissimilar in the case of files with variable- length records. The syntax of these two clauses is as shown below:
Sign - Picture clause: The numeric data item can be signed or unsigned. If a numeric data is regarded as unsigned then during the execution these unsigned data items are treat
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION: We have to write a program to create an Indexed Sequential File in a dynamic mode for Student particulars. Suppose just 3 fields:
GIVING file-name-5. The input files to be merged through the MERGE statements which are specified in the USING phrase. These files should be sequential files and should be
Example of Nested if statement: Illustration: Consider the following sentence The nested IF sentence holds two IFs and one ELSE. The IF-ELSE couple has been marke
Buffers: The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel. For illustration, if two buffers a
Size: The number of characters or digits needed to store the data item in the memory in termed as the Size of the data item. All the 4 general characteristics explained can
Illustration of Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
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
We have input file, record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input f
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