Fidelity Investments

Questions relate to OO concepts, UNIX Shell scripting, regular expressions, design concepts, and one brain teaser.

Interview was okay. It lasted for 1 hour. They asked me: * Primary key and unique key * SQL referential integrity * How to delete duplicates from a table * Compiler run * What is garbage collection * How to count the number of characters in a word

It was a campus selection with three rounds: Written (aptitude + technical), followed by a face-to-face technical and HR round. It was kind of a knockout round. Before the process started, a presentation about the firm and the package being offered