You create a CLOB in Oracle through the database's Structured Query Language, or SQL. Using SQL's "ALTER TABLE" statement, you add a CLOB data item to an existing table in your business' database.

Using default values on database columns helps to insulate database design issues from application code. Find out how to change a column's default value at a later date using a single command.

A developer shouldn't spend time on database table creation when unit tests run. Instead, have Hibernate create tables in the database for JPA and other data-driven applications.