ECHO OLE DB Data Provider
■The Embedded Component Historian Object (ECHO) by OSIsoft is a tool that Manufacturers use to add a scalable, robust, high-performance time-series data historian to their hardware devices or software products.
■ECHO is an open system, and as such, it is necessary to provide industry standard interfaces that allow other vendor products to connect to it. The two most important are OPC and OLE DB.
■The ECHO SDK allows developers to write code that connects to ECHO using any development environment that supports COM (Component Object Model).
■ECHO OLE DB, on the other hand, provides standard public interfaces that allow users to connect any client that works with OLE DB data sources. Programming is therefore reduced to configuration tasks. The number of these clients is continually growing because OLE DB standards are widely accepted.
■ECHO itself is not a relational database, and ECHO OLE DB only provides a relational view on ECHO data by implementing SQL. Both configuration and the actual archive data is represented in the form of catalogs and tables.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2004/6/28 |
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Version 2.0 |
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692 KB |
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