Answer / farooq & zahid

ECC stands for "Enterprise Core Component"
it is the main component of SAP ERP
it is SAP ERP (Enterprise Resource Planing)
and it is the main component of sap it has the basic functionalities of SD, MM, HR,PP etc.

R/3 is an architecture of SAP Systems
it is also called 3-Tier architecture
it consists of three layers
1. Presentation Layer
2. Application Layer
3. Database Layer

Answer / ramanji

R/3 means the archiecture os sap system.
ECC is component of ERP.

Answer / d jaigir

ECC is R/3. ECC6.0 is a part of ERP systems and R/3 is the three layer architecture of ecc. Predestination, application and db.

Answer / pna889

ECC means it is the laetst version of SAP ERP package.

R/3 means three tier.

not created logical system in client 000 and user sap* ,ddic.

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