COBOL File Handling

In this course, learn how to handle files in COBOL. This is crucial for banking applications that need to store and retrieve customer and account information. You'll start with basic file operations and gradually move to more complex file handling.

Lessons and practices

Lesson 1: Creating and Writing to a Sequential File

Change Customer Details in COBOL

Fix COBOL Sequential File Bug

Change Customer Details in COBOL

Complete the Superhero File Code

Writing a Superhero to a File

Lesson 2: Reading From a Sequential File

Enhance File Reading Capability

Fix Sequential File Reading Errors

Fix the Sequential File Reader

Sequential File Reading in COBOL

Reading Customer Data from Scratch

Lesson 3: Appending Records to a Sequential File

Change Record Details in COBOL

Fix the COBOL Bug

Adding Customer Records in COBOL

Appending Book Records in COBOL

Appending Student Records in COBOL

Lesson 4: Handling Indexed Files in COBOL

Change Customer's Details in Indexed File

Fix the Indexed File Program

Manage Multiple Customer Records in COBOL

Change Customer Details in Indexed File

Complete the Indexed File Code

Write and Read Indexed Files

Lesson 5: Handling Errors in File Operations

Error Checking for File Writing

Fix Error Handling in COBOL

Add Error Handling to File Read

Handle Errors When Writing to Files

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.