Store File or byte[] as SQL Blob in Java (Store and Load)

Date: 2024-08-14

This Java tutorial explains how to store and retrieve files (or byte arrays) as BLOBs (Binary Large Objects) in a PostgreSQL database. PostgreSQL uses the BYTEA data type for this purpose. The article details creating a table with a BYTEA column, then using Java's PreparedStatement to insert and retrieve file data. Docker is suggested for easy database setup. The process involves converting the file to a byte array for storage and vice-versa for retrieval. This method is efficient for managing large files within a database.

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