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What is connection string in Tnsnames?
The Connect Descriptor (known also as TNS Connect String) is a type of connect identifier. It defines the parameters that need the Oracle Net Service to connect to a database service : the protocol. the host. the port.
What is SID in Oracle connection string?
A sid is the Site Identifier. It, plus the oracle_home, uniquely identify a database instance on a single machine. If you are on the machine with the database, you only need the oracle_sid and oracle_home to get connected directly.
What is Sid connection?
A SID is a unique name that uniquely identifies the database instance where as a service name is the Database TNS Alias that is given when users remotely connect to the database. The Service name is recorded in the tnsnames.
What is DB service name?
A service name is a feature in which a database can register itself with the listener. If a database is registered with a listener using a service name then the service name can be used as a parameter in the tnsnames. Service name specifies one or more names for the database service to which this instance connects.
What are the different types of Oracle connection strings?
Oracle connection strings. .NET Framework Data Provider for Oracle. Specifying username and password Data Source=MyOracleDB;User Id=myUsername;Password=myPassword; Omiting tnsnames.ora This is another type of Oracle connection string that doesn’t rely on you to have a DSN for the connection.
Do you need a DSN for an oracle connection string?
Omiting tnsnames.ora This is another type of Oracle connection string that doesn’t rely on you to have a DSN for the connection. You create a connection string based on the format used in the tnsnames.ora file without the need to actually have one of these files on the client pc.
How does connection pooling work in Oracle Database?
By default, connection pooling is enabled. This one controls the pooling mechanisms. The connection pooling service creates connection pools by using the ConnectionString property to uniquely identify a pool. Use this one if you want to restrict the size of the pool.
What is the Easy Connect naming method for Oracle?
Using the Easy Connect Naming Method (aka EZ Connect) The easy connect naming method enables clients to connect to a database without any configuration. Data Source=username/password@//myserver:1521/my.service.com; Port 1521 is used if no port number is specified in the connection string.