Oracle dba interview questions by gitesh trivedi pdf

 

    Oracle DBA Interview Questions Answers By Gitesh Trivedi Publisher: Kendba Save this PDF as: . 13 How to get Oracle DBA Interview Questions Book. Oracle DBA Interview Questions & Answers Gitesh Trivedi. Excellent book for all Oracle DBA levels. + Interview Questions/Answers. Book covers Oracle. Read eBook Oracle Dba Interview Questions & Answers By Gitesh Trivedi KINDLE PDF EBOOK EPUB. (c) - page 1 of 8.

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    Oracle Dba Interview Questions By Gitesh Trivedi Pdf

    Oracle DBA Interview Questions Answers. By. Gitesh Trivedi. Publisher: Kendba Services. Copy right protected @ Kendba Services. oracle dba interview questions answers - dbametrix - oracle dba interview questions answers by gitesh trivedi publisher: kendba services copy right protected. interview questions, oracle questions, dba questions, oracle 9i interview questions, pdf database administration interview questions and answers by expert interactively. oracle dba interview questions and answers gitesh trivedi.

    Gitesh Trivedi. Publisher: Kendba Services. Copy right protected Kendba Services. Frequently asked Oracle dba Interview Questions with detailed answers and examples. Happy oracle DBA job hunting. There are a lot of opportunities from many reputed companies in the world. Here is a list of 60 interview questions about Oracle Database with their answers. The list contains questions useful for basic, freshers and experienced oracle vybefebenalocov. I have 2 yrs exp on oracle DBA, -- Thanks for the question regarding "oracle dba interview questions and answers", version May 29, Oracle DBA Interview Questions and answers, This is useful for Junior level dba's and you can find complete information about database administration FAQ's. Database Administration - Database Administration interview questions and answers by expert members with experience in Database Administration subject. Interview questions.

    I would appreciate any feedback from you about making this book and even more valuable resource for the Oracle DBA community. Wish you best of luck.

    While the reader is not expected to possess detailed knowledge about Oracle internals, he is expected to have a decent understanding of Oracle architecture, advanced features and responsibilities of an Oracle DBA.

    If you are an Oracle DBA, this book will not only serve as a quick reference but also help you enhance your skills..

    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 ball 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.

    You have just had to restore from backup and do not have any control files. How would you go about bringing up this database? I would create a text based backup control file, stipulating where on disk all the data files where and then issue the recover command with the using backup control file clause. What command would you use to create a backup control file? Alter database backup control file to trace. What is its default setting? If it is not specified the tables that already exist will be skipped.

    If it is specified, the error is ignored and the table s data will be inserted. The default value is N. You are using hot backup without being in archivelog mode, can you recover in the event of a failure?

    Why or why not? We are unable to take hot backup in noarchive mode. You can t use hot backup without being in archivelog mode.

    So no, you couldn t recover. How many redo logs should you have and how should they be configured for maximum recoverability? You should have at least three groups of two redo logs with the two logs each on a separate disk spindle mirrored by Oracle.

    The redo logs should not be on raw devices on UNIX if it can be avoided. Users aren t being allowed on the system. The following message is received: ORA archiver is stuck. Connect internal only, until freed : What is the problem? The archive destination is probably full, take backup of archivelogs and remove them.

    Oracle dba interview questions answers by gitesh

    You get a call from you backup DBA while you are on vacation. What do you do? What are the steps involved in Database Startup? Start an instance, Mount the Database and Open the Database. What are the steps involved in Instance Recovery? Rolling forward to recover data that has not been recorded in data files yet has been recorded in the on-line redo log, including the contents of rollback segments.

    Rolling back transactions that have been explicitly rolled back or have not been committed as indicated by the rollback segments regenerated in step a. I hope it will boost your confidence. In the same way. I have covered real scenario based questions and their answers for your preparation. I have tried to cover as many tough.

    (PDF) Oracle DBA interview questions | Lijo George - irtrimuzcomcomp.tk

    The book is also intended to be a quick reference for Oracle DBAs. Interviewers have a tendency to ask trick questions or technical questions pertaining to a real time scenario. Many candidates are knowledgeable about Oracle but are not able to come up with the right answer during the interview. I would appreciate any feedback from you about making this book and even more valuable resource for the Oracle DBA community.

    To start with. The voyage of this book goes many years in the past with many individuals to be thanked for. Employers typically offer jobs to those who possess a solid understanding of Oracle fundamentals. While the reader is not expected to possess detailed knowledge about Oracle internals. Prerequisites of this Book usage: This book is intended to not only prepare you.

    If you are an Oracle DBA. A cold backup is taking a backup of the database while it is shut down and does not require being in archive log mode. Alter database backup control file to trace. The benefit of taking a cold backup is that it is typically easier to administer the backup and recovery process.

    In addition.

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    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 ball in time. 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. How would you go about bringing up this database? I would create a text based backup control file. The default value is N. If it is not specified the tables that already exist will be skipped. The following message is received: ORA archiver is stuck.

    You should have at least three groups of two redo logs with the two logs each on a separate disk spindle mirrored by Oracle. The redo logs should not be on raw devices on UNIX if it can be avoided.

    Connect internal only. So no. What is the problem? The archive destination is probably full. If it is specified. What do you do? Why or why not?

    We are unable to take hot backup in noarchive mode. What is its default setting? If no backup of the control file is available then the following will be required: Resolving any pending distributed transactions undergoing a two-phase commit at the time of the instance failure..

    Start an instance.. Rolling back transactions that have been explicitly rolled back or have not been committed as indicated by the rollback segments regenerated in step a. Mount the Database and Open the Database. Rolling forward to recover data that has not been recorded in data files yet has been recorded in the on-line redo log.

    Releasing any resources locks held by transactions in process at the time of the failure. Dismount the Database and Shutdown the Instance. Can Full Backup be performed when the database is open? Close the Database. Archived Redo Log consists of Redo Log files that have archived before being reused. Book Name: Gitesh Trivedi Edition: March Flag for inappropriate content. Related titles. Jump to Page.

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