Oracle Jdbc Get Generated Keys

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How to get primary key value (auto-generated keys) from inserted queries using JDBC? Description: When we are inserting a record into the database table and the primary key is an auto-increment or auto-generated key, then the insert query will generate it dynamically. The situation is a little bit complicated since one of the requirements I have is that the code should work both on mysql and oracle. I checked it against mysql and it works. I tried to resolve the problem by adding the jdbc driver for JDK1.4 ojdbc14.jar in my classpath but the result is the same.

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The Microsoft JDBC Driver for SQL Server supports the optional JDBC 3.0 APIs to retrieve automatically generated row identifiers. The main value of this feature is to provide a way to make IDENTITY values available to an application that is updating a database table without a requiring a query and a second round-trip to the server.

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Oracle Jdbc Return_generated_keys

Because SQL Server doesn't support pseudo columns for identifiers, updates that have to use the auto-generated key feature must operate against a table that contains an IDENTITY column. SQL Server allows only a single IDENTITY column per table. Ssh generate new key pair. The result set that is returned by getGeneratedKeys method of the SQLServerStatement class will have only one column, with the returned column name of GENERATED_KEYS. If generated keys are requested on a table that has no IDENTITY column, the JDBC driver will return a null result set.

As an example, create the following table in the sample database:

Oracle Jdbc Get Generated Keys 2017

Generated

Oracle Jdbc Get Generated Keys Free

In the following example, an open connection to the sample database is passed in to the function, an SQL statement is constructed that will add data to the table, and then the statement is run and the IDENTITY column value is displayed.

Oracle Jdbc Get Generated Keys 2017

See also

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