ERP systems and relations of production planning control operations

This thesis studies on the relations of Enterprise Resource Planning (ERP) systems which can be defined as a knowledge management system aiming at the integration of Production, Sale, Finance, Human Resources functions that cover the whole working processes of enterprises with Production Planning Control operations. In the thesis, data are obtained by survey data gathering instrument in a large scale ready-made clothing company which applies ERP system and as a result of the thesis the points of relation are displayed. 8 operations are determined as Production Planning Control operations and these operations are evaluated together with ERP system. Detailed information is given relative to the definition, scope and diachronic of ERP systems as well as its practice and application processes in enterprises. Necessary information and details are also given regarding the Production Planning Control operations.It has become an obligation but not a requirement for present enterprises to develop into organizations which are administered by knowledge and which can act fast and take quick and accurate decisions in order to maintain or not to lose its position in the market against acceleration of change in every area. Most of the organizations are taking advantage of ERP systems in order to develop reliable knowledge and to enable this knowledge to have permanency and used in working processes and thanks to this, organizations can receive support on their globalizing, quality, productivity and growing targets.Key Words: Enterprise Resources Planning (ERP), Material Requirements Planing (MRP), Manufacturing Resources Planning (MRP II), Production Planning and Control