Creating connection objects in JDBC applications

The first step in any database application is establishing a connection to the database. DB2 provides different methods to create a database connection. In general, we have two types of database connectivity:

  • Type-2 connectivity: This type of connectivity needs a database client installed on the host machine. It can only connect to local databases. If we want to use this type of connectivity to connect to a database available over the network, then we need to catalog that database on the client application host and then use this type of connectivity. The only specification provided to establish a connection is that the database name should be available in a local database directory.
  • Type-4 connectivity: ...

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