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Postgresql Java Driver Info
// Update try (PreparedStatement pstmt = conn.prepareStatement("UPDATE users SET name = ? WHERE id = ?")) pstmt.setString(1, "Alice B."); pstmt.setLong(2, 1); pstmt.executeUpdate();
When building Java applications that require a robust, open-source relational database, PostgreSQL is a top contender. But Java speaks JDBC (Java Database Connectivity), not PostgreSQL’s native wire protocol. That’s where the PostgreSQL JDBC Driver ( pgjdbc ) comes in. postgresql java driver
PostgreSQL supports asynchronous messaging. The JDBC driver can listen for notifications. // Update try (PreparedStatement pstmt = conn
When fetching millions of rows, avoid OutOfMemoryError by streaming. That’s where the PostgreSQL JDBC Driver ( pgjdbc
This article explores how to effectively use the official driver, covering setup, CRUD operations, connection pooling, and advanced features like LISTEN / NOTIFY and COPY . The PostgreSQL JDBC Driver (Group ID: org.postgresql , Artifact ID: postgresql ) is a Type 4 JDBC driver. This means it’s written purely in Java and connects directly to the database using the PostgreSQL wire protocol—no native libraries or ODBC bridges required.
String url = "jdbc:postgresql://localhost:5432/mydb"; Properties props = new Properties(); props.setProperty("user", "postgres"); props.setProperty("password", "secret"); props.setProperty("ssl", "true"); try (Connection conn = DriverManager.getConnection(url, props)) System.out.println("Connected to PostgreSQL!"); catch (SQLException e) e.printStackTrace();
for (int i = 0; i < 10000; i++) pstmt.setString(1, "data" + i); pstmt.addBatch();