Oracle database (Exhaustive 400+ questions and answers) Cassandra administration Kubernetes (CKA/CKAD) Postgres Administration You can filter out your choice in the first column. IT interview questions – Google Sheets If you want to practice in quiz format, please request access using below link:- QUIZ – Log In
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) Can you explain what are internal mechanism of Transportable tablespace […]
Heman Sahi 1. Your RMAN backup triggered, you deleted snapshot controlfile at backend, what will happen to your running backup ? 2. what happens internally when we issue ‘ RESYNC CATELOG’ for recovery catelog ? 3. You enabled Block change tracking and then immediately performed level 1 backup, will BCT be used ? 4. Your RMAN backup triggered, you added […]
Thanks Akhil Mohan. Debasis Maity: 1.Why controlfile and redolog file multiplexed? Control file : A control file is a small binary file that records the physical structure of the database and includes: The database name. Names and locations of associated datafiles and online redo log files. The timestamp of the database creation. The current log sequence number. Checkpoint information. Oracle […]
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 privilege to execute it How we can create password file […]
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 to create and recreate database internal views/procedures/packagess. Primarily used after […]
1.What are new features of datapump in 12c? https://oracle-base.com/articles/12c/data-pump-enhancements-12cr1 2.which case we need to use flashback_time or flashback_scn parameter? If you need consistent backup for example when you do initial load using datapump for golden gate. 3.During impdp with full=y caluse , do we need to create user before import? No.User will be automatically created. 4.which memory area expdp and […]
Listener related questions:- Answer Credit:- https://www.linkedin.com/in/saibal-ghosh-ccsk-prince2-%C2%AE-469b0a7/ 1.Can we manually force a particular scan ip (out of the three) to relocate on a particular host (lets say – on node 5 of 5 node RAC) ? Ans:- srvctl relocate scan_LISTENER -i 1 -n node1 $ srvctl relocate scan -h Usage: srvctl relocate scan -i <ordinal_number> [-n <node_name>] -i <scan_ordinal_number> Ordinal number […]