Postgresql Jdbc Driver

| Method | Supported | Security Level | |--------|-----------|----------------| | SCRAM-SHA-256 | Yes (v42.0+) | High (password never in plain text) | | GSSAPI (Kerberos) | Yes | High (enterprise SSO) | | SSL Client Cert | Yes | High (mutual TLS) | | MD5 | Yes (deprecated) | Medium (vulnerable to replay attacks) | | Trust | Yes | None (only for development) | | Password (plain) | Yes | Low (requires SSL) |

The PostgreSQL JDBC Driver (PgJDBC) is the official Type 4 JDBC driver for PostgreSQL. It allows Java applications to connect to PostgreSQL databases using standard JDBC API calls. PgJDBC is fully ACID-compliant, supports almost all standard JDBC methods, and includes PostgreSQL-specific extensions for advanced features like COPY , LISTEN/NOTIFY , and LargeObjects . postgresql jdbc driver

PGJDBC-2024-01 Date: October 26, 2023 (Updated for modern versions) Subject: Evaluation of architecture, features, performance, and security of the official PostgreSQL JDBC driver. | Method | Supported | Security Level |

String url = "jdbc:postgresql://localhost:5432/mydb"; String user = "postgres"; String password = "password"; PGJDBC-2024-01 Date: October 26, 2023 (Updated for modern

Java App → DriverManager.getConnection() → Driver.acceptsURL() → PgConnection constructor → QueryExecutor → TCP socket to PostgreSQL → Authentication (SCRAM/MD5/Trust) → Parameter negotiation → Ready for queries.