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 Oracle Developer to work on your Oracle SQL database presents you with a functional IDE to write code and check data outputs from queries.

It is possible to reset a sequence in Oracle. The company does not provide a ready-made command for this task. However, it is possible to reset it by following the instructions below.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.