A database is a collection of interrelated information. This information is saved in a very organized manner. By using this known structure, we can access and change the information quickly and correctly. In this information era, databases are everywhere. When we go to the library and look up a books on their computer, we are … Read more

Oracle cluster supply an optional way of storing table data. In a cluster a group of tables share the same data blocks. The tables are grouped together because they share identical columns and are often used together. For example, the employee and department table use the depth no column. When you cluster the employee and … Read more