Category
page 1Database APIs
Java Database Connectivity
API for Java
Open Database Connectivity
ODBC, standard interface for accessing database systems
PHP Data Objects
PHP databases communication extension
OLE DB
Microsoft API for uniform access from heterogeneous data sources
Web SQL Database
deprecated Web browser API
SQLJ
SQLJ is a working title for efforts to combine Java and SQL. It was a common effort started around 1997 by engineers from IBM, Oracle, Compaq, Informix, Sybase, Cloudscape and Sun Microsystems.
embedded SQL
SQL used as an embedded domain-specific language

Indexed Database API
The Indexed Database API (commonly referred to as IndexedDB) is a JavaScript application programming interface (API) provided by web browsers for managing a NoSQL database of objects. It is a standard maintained by the World Wide Web Consortium (W3C).
Remote Data Objects
data access application programming interface primarily used in Microsoft Visual Basic applications on Windows 95 and later operating systems
database abstraction layer
software architecture layer