hibernate.jdbc.fetch_size and hibernate.jdbc.batch_size

Two important settings for hibernate java application, affecting hibernate CRUD performance.
C = create, R = read, U = update, D = delete

Fetch Size determines when JDBC Statement read data, how many records are going to be read per fetch.
Recommend setting for Oralce JDBC application:
hibernate.jdbc.fetch_size 100
hibernate.jdbc.batch_size 25