Meta data,Transaction data and Master data

Hi all,
Could you plz make me clear exactly wht does Meta data,Transaction data and Master data mean and the differences

Hi Ganesh,
<b>MASTER Data</b> is the data that exists in the organization like employee details, material master, customer master, vendor master etc. These are generally created once.
Master data are distributed throughout the company, they are often not standardised and often redundant. As a result it is very costly to offer efficient customer service, keep track of supply chains and make strategic decisions. With SAP Master Data Management (SAP MDM) these important business data from across the company can be brought together, harmonised and made accessible to all staff and business partners. As a key component of SAP NetWeaver, SAP MDM ensures data integrity via all IT systems.
Regardless of the industry, companies often work with different ERP and Legacy systems. The result: the business processes are based on information about customers, partners and products which is displayed in different ways in the systems. If the data are recorded manually, there are more inconsistencies: some data sets are entered several times, others cannot be retrieved by all divisions of the company.
As corporate applications are becoming increasingly complex and produce ever greater amounts of data, the problem is intensified further. Nevertheless, your employees must work with the inconsistent data and make decisions on this basis. The lack of standardised master data easily leads to wrong decisions, which restrict efficiency and threaten customer satisfaction and profitability.
In a word: in order to save costs and ensure your company’s success it is necessary to consolidate master data about customers, partners and products, make them available to all employees beyond system boundaries and use attributes valid company-wide for the purpose of description.
<b>TRASNACTION Data</b> - These are the business documents that you create using the master data - Purchase orders, sales orders etc
http://help.sap.com/saphelp_nw2004s/helpdata/en/9d/193e4045796913e10000000a1550b0/content.htm
Regards,
Santosh

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