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Sarat 1) What are pre-checks you do before doing point in time recovery? 2) There is no previous level zero backup available, Can we take a Level 1 backup? 3) My database have 500+ datafiles, In that I lost 89 files. How you will identify which files to recover? 4)… Continue Reading Backup and recovery Interview questions

 Answer Credit:- https://www.linkedin.com/in/skantali/ https://www.linkedin.com/in/hemant-shahi-59921762/ How we can execute PLSQL without any privilege to change it What are the default user created when Oracle is installed ? Can you create password less user in Oracle ? If yes how ? How we can see the procedure /package body with out having… Continue Reading Oracle user role and privilege interview questions

What are base tables? When and how they will get created? Ans:-Are read-only tables(Data Dictionary Tables) that hold information about the database. Base tables are own by SYS. When and how they will get created? They get created when the database is built. https://docs.oracle.com/cd/B19306_01/server.102/b14220/datadict.htm Why to execute catproc.sql script? Ans:-Used… Continue Reading Database Architecture Interview Questions