File Name: oracle database administrator interview questions and answers .zip
Explore Now! These questions and answers are suitable for both freshers and experienced professionals at any level. It is the medium to connect to the database.
Answer: Oracle Database is a relational database management system RDBMS which is used to store and retrieve the large amounts of data. Oracle Database had physical and logical structures. Logical structures and physical structures are separated from each other. Answer :Oracle database is the collection of datafiles,redologs and control files while Oracle instance is the SGA ,processes in the Memory. We can have 1 or more instance serving a oracle database. In Oracle RAC , we have one set of datafiles,control file and redo logs while instance on one ore more boxes accesses the same database. Question 3 What is a Tablespace?
Explain the difference between a hot backup and a cold backup and the benefits associated with each. A hot backup is basically taking a backup of the database while it is still up and running and it must be in archive log mode. A cold backup is taking a backup of the database while it is shut down and does not require being in archive log mode. The benefit of taking a hot backup is that the database is still available for use while the backup is occurring and you can recover the database to any point in time. The benefit of taking a cold backup is that it is typically easier to administer the backup and recovery process. In addition, since you are taking cold backups the database does not require being in archive log mode and thus there will be a slight performance gain as the database is not cutting archive logs to disk.
What to look for: "I use a combination of manual and proactive monitoring to keep an eye on the database servers. I've helped software developers implement ODBC so they can pull the right data sources into custom enterprise apps. What to look for: "I have experience implementing and optimizing Hadoop solutions for enterprises. Add New Question. Big data technology is another rapidly growing area.
In this book, I have tried to cover as many tough, tricky and real time scenarios based questions as possible and have answered them based on my experiences as an Oracle DBA. COM indicated by the rollback segments regenerated in step a. Releasing any resources locks held by transactions in process at the time of the failure. Resolving any pending distributed transactions undergoing a two-phase commit at. You are not allowed to upload these documents and share on other websites execpt social networking sites.
Best Oracle DBA Interview Questions and Answers. Do you believe that you have the right stuff to be a section in the advancement of future.
This list includes characteristics of the Oracle database, roles of a Database Administrator, tools used for administering the Oracle database, comparing a cluster with a grid, the architecture of Oracle Grid Computing, and more. Many organizations are hiring Oracle DBA experts to meet their requirements and the needs and demands of their customers. In case you are looking for Oracle DBA interview questions, this is the correct place for you.
If you a Database Administrator and need to update DBA technical knowledge or need to prepare for a job interview? This DBA Interview Questions and Answers are basic and advance level so every one who is DBA can get more help with these database interview questions and answers tutorial and guide. A DBA is a Database Administrator, and this is the most common job that you find a database specialist doing.
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