OLE DB

OLE DB (Object Linking and Embedding, Database) is a set of COM-based interfaces developed by Microsoft to provide high-performance, universal data access to diverse data sources, beyond just traditional relational databases. It abstracts the complexities of data access, enabling applications to…

Key facts

First appeared
1996
Category
technology
Problem solved
OLE DB was created to solve the problem of fragmented and proprietary data access, aiming to provide a single, universal interface for accessing heterogeneous data sources, not just relational databases. Before OLE DB, developers faced a multitude of APIs for different data types (e.g., ODBC for relational, specific APIs for spreadsheets, mail, or custom files), leading to complex and inconsistent data integration strategies.
Platforms
Microsoft Windows

Related technologies

Notable users

  • Microsoft (for internal products and developer tools)
  • Large enterprises with legacy Windows applications (e.g., finance, manufacturing, government) developed between the late 1990s and early 2000s
  • Independent Software Vendors (ISVs) who built data-driven applications on the Microsoft stack