What is default isolation level hibernate uses if not explicitly set?

Question

I have an application that uses hibernate version 3.6.4, and c3p0 version 0.9.1.2 for connection pooling. My underlying RDBMS is MySql version 5.0.67.

My installation o

Answer 1

looks like meta.getDefaultTransactionIsolation()); is hardcoded in the implementation of DatabaseMetaData in the mysql driver

public class DatabaseMetaData implements java.sql.DatabaseMetaData lines....

1475    public int getDefaultTransactionIsolation() throws java.sql.SQLException JavaDoc {
1476        if (this.conn.supportsIsolationLevel()) {
1477            return java.sql.Connection.TRANSACTION_READ_COMMITTED;
1478        } else {
1479            return java.sql.Connection.TRANSACTION_NONE;
1480        }
1481    }

so i'd bet and trust getSession().connection().getTransactionIsolation()