COBOL Data Types, Files, and DB2 Explained

#cobol #mainframe #cobol #db2 #topictrick In this COBOL tutorial, you'll learn the core topics every COBOL developer needs — Data Types, File Handling, and DB2 database integration. This is part of our complete free COBOL programming course on YouTube, built for beginners and professionals looking to strengthen their mainframe skills. Whether you're starting from scratch or preparing for a COBOL interview, this video covers everything you need in one place. ► Index Details ◄ 00:00 Welcome Message! 03:34 What is COBOL? or Overview of COBOL. 04:05 Feature of COBOL. 07:20 History of COBOL. 12:05 Why COBOL Dominates Enterprise Computing? 14:04 Future of COBOL. 17:20 Program vs Operating System vs application programs. 19:05 Characters in COBOL. 20:36 Components of a COBOL Programming Language. 22:06 COBOL Reserved Words. 24:31 Optional Words in COBOL. 25:50 Constants and Figurative Constants. 29:30 COBOL Coding Rules. 34:30 COBOL Coding Rules Example. 35:12 What is a Data Type?. 36:36 Data Types in COBOL. 40:37 COBOL Level Number. 44:40 COBOL Picture Clause (PIC Clause). 51:25 COBOL Value Clause. 54:58 COBOL Program Structure (Program Division). 57:36 COBOL Group Items. 59:35 COBOL Initilize Statement. 1:05:50 COBOL Level 88 Clause. 1:06:00 COBOL Redefines Clause. 1:09:56 COBOL Renames Clause. 1:13:01 COBOL Accept Statement. 1:15:44 COBOL Display Clause. 1:17:36 Example: COBOL Hello World. 1:18:24 COBOL Logical Control Structure. 1:19:20 COBOL Sequence - COBOL PERFORM Statement. 1:21:00 COBOL Selection - COBOL IF Else Statement. 1:23:29 COBOL Case - COBOL Evaluate Statement. 1:25:28 COBOL String Handling Overview. 1:27:24 COBOL String Statement, COBOL Inspect Statement, COBOL Unstring Statement. 1:27:18 COBOL Reference Modification Statement. 1:27:54 COBOL Complete Reference Course Link (https://bit.ly/41S5uQd) 1:28:23 COBOL Table or COBOL Array. 1:29:30 COBOL Occurs Clause. 1:37:04 COBOL Complete Reference Course Link (https://bit.ly/41S5uQd) 1:37:35 COBOL Move Statement. 1:39:51 COBOL Usage Clause (Usage is Display, Packed Decimal - COMP-3). 1:43:08 COBOL Usage Clause Data Formats (USAGE in BINARY). 1:47:35 COBOL CALL Statement. 2:00:00 COBOL File Handling (Sequential and VSAM Files). 2:06:00 COBOL CICS File Handling (Sequential and VSAM Files). 2:10:00 COBOL Database Handling (COBOL+Db2). 2:12:00 COBOL IMS DB Handling. 2:18:00 COBOL Webservice Interface (XML and JSON format). 2:21:00 COBOL Compilation process. 2:24:00 How to design COBOL programs? 2:28:00 Thank you! ►Subscribe to Topictrick & Don't forget to press THE BELL ICON to never miss any updates. ◄ Also, Please visit below mention the link to stay connected with Topictrick on - ► Official Website : https://www.topictrick.com Thank you for your support. Topictrick™ #COBOL #MasteringCOBOLProgramming #COBOLTutorial #COBOLProgramming #COBOLCourseOnline #BestCOBOLCourses #COBOLTrainingPrograms #LearnCOBOLProgramming #COBOLProgrammingTutorial #COBOLCodingBootcamp #BestCOBOLCoursesOnYouTube #COBOLWebServices #COBOLFileHandlingTutorial #MainframeCOBOLProgramming #COBOLCompilationProcessInMainframe #COBOLInterviewQuestions