Extract images from Oracle BLOB. Create an Oracle Directory Object: This object maps a logical name within the database to a physical directory on the database server’s file system. CREATE OR REPLACE DIRECTORY MY_IMAGES AS '/path/to/your/export/directory'; GRANT READ, WRITE ON ... Read more

Inserting BLOB data into an Oracle database can be achieved through several methods. 1. Inserting Directly from a Buffer/Variable: DECLARE v_blob_data BLOB; BEGIN -- Populate v_blob_data with your binary data -- For example, from a RAW variable or a file read into ... Read more

Updating a BLOB (Binary Large Object) in Oracle can be achieved using several methods. 1. Updating with a Buffer (Direct Data): UPDATE your_table SET your_blob_column = :new_blob_data WHERE primary_key_column = :key_value; 2. Updating by Selecting a LOB from Another Table or Source: UPDATE ... Read more