| The connection string representing an
| |
| | pooling.
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| open and unique link to a data source.
| |
| | If we take database connections
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| Where a distributed system is held, this
| |
| | continuously open can be troublesome, it
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| involves a network connection. This
| |
| | can be help full for applications that
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| connection Depends on the data source,
| |
| | are in constant communication with a
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| the programming interface of the various
| |
| | database by negating the need to re-open
|
| connection objects may be different
| |
| | connections. Some database administrators
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| depends upon which they are build on. A
| |
| | may frown on the practice since multiple
|
| connection object is specific to a
| |
| | connections to the database are open.
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| particular type of data source, such as
| |
| | Using connection pooling depends upon
|
| it is different for SQL Server and Oracle
| |
| | available server resources and
|
| and Microsoft Access. Connection objects
| |
| | application requirements (i.e., does it
|
| are not used interchangeably across
| |
| | really need it).
|
| different data sources, but all the
| |
| | Using connection pooling - Dot Net
|
| methods and properties grouped in the IDb
| |
| | Interview Questions
|
| Connection interface.
| |
| | Connection pooling is enabled by default.
|
| In ADO NET, connection objects are
| |
| | You may override the default behavior
|
| implemented within data providers as
| |
| | with the pooling setting in the
|
| sealed classes. So a connection class can
| |
| | connection string. The following SQL
|
| never be modified or overridden, it is
| |
| | Server connection string does not utilize
|
| just configured through properties and
| |
| | connection pooling:
|
| attributes. We can say that in Ado net
| |
| | Data Source=TestServer;Initial
|
| all the connection classes support
| |
| | Catalog=Northwind;
|
| connection pooling, although each class
| |
| | User
|
| may implement in different manner.
| |
| | ID=Chester;Password=Tester;Pooling=False;
|
| Connection pooling is implicit, so no
| |
| | • Max Pool Size: The maximum number of
|
| need to do manually because it provider
| |
| | connections allowed in the pool. The
|
| manages this automatically.
| |
| | default value is 100.
|
| ADO NET pools connections with the same
| |
| | • Min Pool Size: The minimum number of
|
| connection or configuration. We can
| |
| | connections allowed in the pool. The
|
| maintain more than one pool, one for each
| |
| | default value is zero.
|
| configuration. An interesting note:
| |
| | • Enlist: Signals whether the Pooler
|
| Connection pooling is utilized by default
| |
| | automatically enlists the connection in
|
| otherwise specified. If we close and
| |
| | the creation thread's current transaction
|
| dispose of all connections, then there
| |
| | context. The default value is true.
|
| will be no pool left in connection
| |
| |
|
