cobol tutorial

COBOL – Installation There are many free Mainframe Emulators available for the Windows operating system, which can be used to write and…

COBOL – Conditional Statements Depending on certain conditions specified by the programmer, conditional statements are used to change the execution flow. The…

COBOL – Database Interface In COBOL, programs interact with DB2 Database. DB2 is Data Base2, which is developed by IBM. It is…

COBOL – Internal Sort Sequential files are used very commonly in data processing applications. The records in these files usually need to…

COBOL – Loop Statements There are some set of statements in a program that needs to be executed repeatedly, such as reading…

COBOL – Program Structure Before defining the program structure of COBOL, you must know the syntax of a COBOL program. COBOL Syntax…

COBOL – String Handling String handling statements are used in COBOL to perform operations of string manipulation. COBOL provides three types of…

COBOL – Verbs The Procedure division contains the code used to perform the manipulation of the data described in the Data Division.…

COBOL – Array/Table Processing Arrays are referred to as tables in COBOL. An array is a linear data structure, which is a…

COBOL Tutorial COBOL programming language is one of the oldest high-level programming languages. COBOL is an acronym that stands for Common Business…