Author: S K S

File handling verbs are used to perform various operations on files. Following are the file handling verbs − OpenReadWriteRewriteDeleteStartClose Open Verb Open is the first file operation that must be…

Till now, file organization schemes have been discussed. For each file organization scheme, different access modes can be used. Following are the types of file access modes − Sequential AccessRandom…

File organization indicates how the records are organized in a file. There are different types of organizations for files so as to increase their efficiency of accessing the records. Following…

The concept of files in COBOL is different from that in C/C++. While learning the basics of 'File' in COBOL, the concepts of both languages should not be corelated. Simple…

Arrays in COBOL are known as tables. An array is a linear data structure and is a collection of individual data items of same type. Data items of a table…

String handling statements in COBOL are used to do multiple functional operations on strings. Following are the string handling statements − InspectStringUnstring Inspect Inspect verb is used to count or…

There are some tasks that need to be done over and over again like reading each record of a file till its end. The loop statements used in COBOL are…

Conditional statements are used to change the execution flow depending on certain conditions specified by the programmer. Conditional statements will always evaluate to true or false. Conditions are used in…

COBOL layout is the description of use of each field and the values present in it. Following are the data description entries used in COBOL − Redefines ClauseRenames ClauseUsage ClauseCopybooks…

Data Division is used to define the variables used in a program. To describe data in COBOL, one must understand the following terms − Data NameLevel NumberPicture ClauseValue Clause 01…