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Mule ESB -CopyBook- DataWeave

Mule ESB -CopyBook- DataWeave

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Mule ESB -CopyBook- DataWeave

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  1. Mule ESB -CopyBook- DataWeave CopyBook Tutorial

  2. WHAT is COBOL? • COBOL stands for Common Business Oriented Language. The US Department of Defense, in a conference, formed CODASYL (Conference on Data Systems Language) to develop a language for business data processing needs which is now known as COBOL. • COBOL is used for writing application programs and we cannot use it to write system software. The applications like those in defense domain, insurance domain, etc. which require huge data processing make extensive use of COBOL.

  3. Importance of COBOL • COBOL was the first widely used high-level programming language. It is an English-like language which is user friendly. All the instructions can be coded in simple English words. • COBOL is also used as a self-documenting language. • COBOL can handle huge data processing. • COBOL is compatible with its previous versions. • COBOL has effective error messages and so, resolution of bugs is easier.

  4. COBOL Coding Syntax: Positions Field Description 1-6 Column Numbers Reserved for line numbers. 7 Indicator Indicating comments, can have either (*, -, /), 8-11 Area A All COBOL divisions, sections, paragraphs and some special entries must begin in Area A. 12-72 Area B All COBOL statements must begin in area B. 73-80 Identification Area It can be used as needed by the programmer.

  5. Leveling Numbers : Level Number Description 01 Record description entry 02 to 49 Group and Elementary items 66 Rename Clause items 77 Items which cannot be sub-divided 88 Condition name entry

  6. DataTypes : Symbol Description 9 Numeric A Alphabetic X Alphanumeric V Implicit Decimal S Sign P Assumed Decimal

  7. Sample CopyBook : 01 BOOK-RECORD. 03 BOOK-KEY. 05 BOOK-ISBN PIC X(10). 03 BOOK-TITLE PIC X(32). 03 BOOK-AUTHOR PIC X(32). 03 BOOK-CATEGORY PIC X(10). 03 BOOK-STOCK PIC X(5).

  8. Thank YOU

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