1. what are the roles of DBA? 2. What is index? 3.What are joins? 4.tools used in Oracle DBA? As an Oracle DBA, you can expect to be involved in the following tasks: Installing Oracle software Creating Oracle databases Performing upgrades of the database and software to new release levels Starting up and shutting down the database Managing the database’s storage structures Managing users and security Managing schema objects, such as tables, indexes, and views Making database backups and performing recovery when necessary Proactively monitoring the database’s health and taking preventive or corrective action as required Monitoring and tuning performanceIn a small to midsize database environment, you might be the sole person performing these tasks. In large enterprise environments, the job is often divided among several DBAs, each with their own area of specialty, such as the database security administrator or database tuning expert. these were the main questions asked during interview. rest as per ur comm. skills .they will hire you or not depends on you.
