Test to See if Your Connection is Alive : Connection « Database « Java Tutorial

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Java Tutorial » Database » Connection

20. 3. 5. Test to See if Your Connection is Alive

For Oracle database: you may use the Connection object with query of "select 1 from dual"; if the query returns the result, then it is a valid Connection object.
For MySQL database: you may use the Connection object with query of "select 1"; if the query returns the result, then it is a valid Connection object.

20. 3. Connection
	20. 3. 1.	Connection Object
	20. 3. 2.	Connection Object Requirements
	20. 3. 3.	Connection Properties: Pass additional properties using java.util.Properties:
	20. 3. 4.	Passing 'user' and 'password' Parameters as a java.util.Properties Object to Connection object
	20. 3. 5.	Test to See if Your Connection is Alive
	20. 3. 6.	Vendor URL Formats
	20. 3. 7.	Connection's Method to Print Native SQL

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