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If u r concerned about the speed with which your app runs, and you're using java, your concerns will never be addressed!

You can create the copy inside your function rather than prior to the call. In theory, you could final the parameter, but if you pass THAT to another, you can change it. "final" isn't really final. Or use C++.

One way skin this DB cat is to add an identity column to the table. You may have to create a new table with the same column names, (plus the new ID one,) then copy the table with import/export. I seems you can add the Identity col and it will handle it though. Now you have a piece of data...

Yes, it means that TEST (should be Test) has all the methods and properties of AnotherClass. You can add properties and methods to Test that extend the functionality of AnotherClass. You can also redefine methods of AnotherClass to do something a different way. hth

You DO use system.getProperty, but you pass the actual name of the variable as a parameter. System.getProperty("Path"), for instance, gets the contents of the Path variable. hth

There is a desktop verson of SQL Server 7.0 that comes many packages (MSDE.) Check the MS site to see if a package you own entitles you to a free copy. I imagine VB does. Get a book on VB and SQL, I like books by WROX. Also, their ADO book teaches some SQL too.

You can use SQL Enterprise Manager's Backup and Restore commands (they are also Transact-SQL Statements.)

You should use CREATE TABLE to create a table with only the desired fields, then use INSERT SELECT to move the data. I would create two new tables rather than delete the fields from the existing one. Joins are slower.

Windows NT has no limitation on the number of IP addresses that can be bound to a NIC. The limitation is on system resources.

There's not enough info. Do you have a web server running on the machine, and on port 8080? have you moved the JSP there?