Viewing million of data error (Unable to select the specified database)

[eluser]rochellecanale[/eluser]
Hello guys just need a little help here my problem is i have a huge amount of data estimated 2 million and 500,000 rows and if i attempt to view this it just loading and display a white page. And if i try to refresh or reload the page it says Unable to select the specified database
How can i view all the data. By the way I'm using a pagination to view this.