What Is Oledb

Ole db includes not only the structured query language capabilities of the microsoft sponsored standard data interface open database connectivity but also includes access to data other than sql data.

What is oledb.

An ole db connection manager enables a package to connect to a data source by using an ole db provider. Ole db is microsoft s strategic low level application program interface for access to different data sources. Unlike odbc it encompasses both table like and non table like data such as email messages web pages word documents and file directories. Ole db object linking and embedding database sometimes written as oledb or ole db an api designed by microsoft allows accessing data from a variety of sources in a uniform manner.

For example an ole db connection manager that connects to sql server can use the microsoft ole db provider for sql server. Ole db is a microsoft technology for access to data. However it is procedure oriented rather than object oriented and is regarded as a rather difficult interface with which to develop access to data sources. Object linking and embedding database ole db is a group of apis used to facilitate and abtract access to application data of different file formats including spreadsheets structured query language sql based database management systems dbms indexed sequential files and personal databases.

It is implemented using microsoft s com component object mode. An oledbconnection object represents a unique connection to a data source. Ole db is a set of com based interfaces that expose data from a variety of sources. Ole db interfaces provide applications with uniform access to data stored in diverse information sources or data stores.

It is otherwise unrelated to ole. The ole db driver for sql server is a stand alone data access application programming interface api used for ole db that was introduced in sql server 2005 9 x. It allows to access data from a large range of data sources. With a client server database system it is equivalent to a network connection to the server.

Oledb is a data api developed by microsoft. Oledb is considered to be a successor to odbc and it can handle data sources in a much higher level compared to odbc. The oledbdataadapter serves as a bridge between a dataset and data source for retrieving and saving data. Ole db driver for sql server delivers the sql ole db driver in one dynamic link library dll.