Download Oracle InterMedia Java Classes. User's Guide and Reference by Chittlster M. PDF

By Chittlster M.

This consultant describes how one can use Oracle interMedia Java Classes.This advisor is for builders or database directors who're drawn to storing, retrieving, and manipulating multimedia info in an Oracle database, together with builders of multimedia specialization functions. clients of this advisor must have adventure with Java and JDBC.

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This means that you must commit or roll back manually with the commit( ) or rollback( ) methods, respectively. 3 loadDataFromFile( ) Method Example 2–13 shows a user-defined method named loadDataFromFile( ), which uses the interMedia loadDataFromFile( ) method to populate the application object with media data. prepareCall("update tdoc set doc = ? println("loading unsuccessful"); } } The loadDataFromFile( ) method performs the following operations: 1. Creates an OracleStatement object. 2. Executes the given SQL query and puts the results into a local OracleResultSet object.

Sets the connection to the database, using the URL contained in connectString, the user name DOCUSER, and the password DOCUSER. sql. 4. Disables the auto-commit mode. This means that you must commit or roll back manually with the commit( ) or rollback( ) methods, respectively. 3 loadDataFromFile( ) Method Example 2–13 shows a user-defined method named loadDataFromFile( ), which uses the interMedia loadDataFromFile( ) method to populate the application object with media data. prepareCall("update tdoc set doc = ?

2. dat and creates a byte array of the same size. 3. Creates a new FileInputStream object. dat. 4. Reads the contents of the input stream into the byte array. 5. Uses the loadDataFromByteArray( ) method to load the media data in the byte array into the database OrdDoc object and into docObj. This also sets the local field on docObj, but not the database object. 6. Closes the input stream. 7. dat. 8. Uses the getDataInByteArray( ) method to get the media data from the application OrdDoc object and load it into a local byte array named resArr.

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