cobol file handling

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 – 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…

COBOL – Coding Sheet Every programming language requires an environment or platform to write codes before compilation and execution. For example, in…

COBOL – Data Layout COBOL Layout is a description of the usage of each field and its values. The data description entries…

COBOL – Divisions COBOL division is the topmost component of the COBOL program and the most important one. This generally contains one…

COBOL – File Access Mode Every file organization (In our previous section, we discussed many file organizations) has different modes of access.…