COBOL Tutorial - Common Business-Oriented Language

Explore the fundamentals and advanced concepts of COBOL (COmmon Business-Oriented Language) in this comprehensive 5-hour tutorial. Delve into the history, dominance, and continued relevance of COBOL in modern business applications. Learn about program structure, data types, control statements, string handling, and file operations. Master essential COBOL features such as PERFORM, IF-ELSE, EVALUATE, STRING, UNSTRING, and INSPECT statements. Discover how to work with COPYBOOKS, REDEFINES, and RENAMES clauses. Gain insights into the compilation process for various environments, including DB2, CICS, and IMS. Explore performance tuning techniques and cost optimization strategies for legacy systems. Prepare for COBOL interviews with practice questions and scenario-based examples. By the end of this tutorial, develop a strong foundation in COBOL programming and understand its crucial role in business-oriented applications and mainframe environments.

COBOL Introduction | COBOL Programming | COBOL Dominance | COBOL History | COBOL 2021.
COBOL Tutorial - COBOL Program Structure Overview | COBOL Program Division Code | COBOL 4 Division..
COBOL Data Types | COBOL Programming | Data Types in COBOL - Alphanumeric, Numeric | PIC- Z X 9..
COBOL Control Statements - COBOL PERFORM | COBOL IF-ELSE | COBOL GOTO | COBOL EVALUATE - Quick Guide.
COBOL EVALUATE Statement | Evaluate statement in COBOL | Evaluate in COBOL | COBOL Evaluate Tutorial.
COBOL STRING Handling | COBOL STRING Statement | COBOL STRING Examples | COBOL STRING COMPARE..
UNSTRING in COBOL | COBOL STRING HANDLING | COBOL UNSTRING STATEMENT | UNSTRING Example..
COBOL Inspect | COBOL Inspect Statement | Inspect replacing, tallying, converting | Inspect Examples.
COPY in COBOL | COPYBOOK | COBOL COPY Statement | COBOL COPY Replacing Example..
COBOL REDEFINES | COBOL Redefines Clause | COBOL Redefines statement | Redefines examples..
COBOL RENAMES Clause | COBOL 66 renames syntax and rules | Renames in COBOL | Renames Rules..
COBOL BLANK WHEN ZERO CLause | Blank when zero in COBOL with example..
COBOL Compilation Process | COBOL DB2 Compilation | COBOL CICS Compilation | COBOL IMS Compilation..
COBOL Tutorial - COBOL Merge Statement | COBOL Program to Merge two files| COBOL Merge Verb in 8 min.
COBOL Tutorial: COBOL Continue vs Next Sentence | NEXT SENTENCE in COBOL, CONTINUE in COBOL Example.
What is IBM CICS (OLTP) and what will CICS be like In the next 50 Years?.
10 Simple but important Legacy Cost Optimization Techniques | COBOL cost optimization tutorial..
PERFORM in COBOL, COBOL PERFORM until COBOL, PERFORM varying PERFORM times, PERFORM in COBOL.
COBOL DB2 Compilation Process | DB2 Precompiler | DB2 SQL Coprocessor | DB2 precompilation process..
PERFORM in COBOL | Basic PERFORM Statement in COBOL, Simple PERFORM Statement, PERFORM THRU in COBOL.
COBOL CALL Statement | COBOL CALL Statement Example | COBOL Subroutines | Call Statement in COBOL..
COBOL Tips and Tricks - top COBOL performance tuning idea, COBOL Performance Tuning Tips, Mainframe..
COBOL Perform until | Perform in COBOL types | COBOL Perform example | COBOL Perform times [COBOL]..
COBOL Inspect Statement | COBOL inspect tallying | Inspect Examples | COBOL inspect examples..
Top 10 COBOL Interview Questions | COBOL Scenario Based Interview Questions | COBOL Tutorial..
COBOL Interview Questions, Best COBOL Interviews Question, and Answers. MF COBOL Interview 2021..
Mainframe Interview Questions and Answers - JCL, COBOL, CICS, and DB2 Interview Question and Answers.