Oracle 11g interview questions and answers

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Recreate the controlfile using the above portion. The control file must be available for writing by the Oracle database server whenever the database is open. So, instead of just having a forwarding address on one block and the data on another we have data on two or more blocks. Q19 How will you backup all datafiles from linux? An Oracle datafile is a big unit of physical storage in the OS file system. Lets take the example of Oracle version Which of the following is NOT an attribute of cursor. The attributes can be used to check whether cursor is opened or closed, found or not found and also find row count. When the instance crash happens and data are missed to write in the data file, then the changes can be obtained from the redo log, so work is never lost. The data dictionary is part of the database and it will be accessible as long as the database is open.

  • Top Oracle DBA, RAC, and Performance Tuning Interview Questions
  • The Best Oracle DBA Interview Questions & Answers [UPDATED]
  • Oracle DBA Interview Questions and Answers [UPDATED]
  • Top 40 oracle dba interview questions and answers Techgoeasy
  • Top 50 Oracle Interview Questions and Answers

  • If you're looking for Oracle DBA Interview Questions for Experienced or Freshers, you are at right place.

    Top Oracle DBA, RAC, and Performance Tuning Interview Questions

    There are a lot of opportunities from many reputed. Frequently asked Oracle dba Interview Questions with detailed answers and examples.

    Tips and Tricks for cracking Oracle DBA interview. Happy oracle DBA job. This Oracle DBA Interview Questions and answers are prepared by Oracle DBA Professionals based on MNC Companies expectation.
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    The Best Oracle DBA Interview Questions & Answers [UPDATED]

    A public synonym does not belong to any schema. A control file contains entries that specify the physical structure of the database such as Database name and the Names and locations of datafiles and redo log files. When the database is closed, the data dictionary will be inaccessible. Any items you have not completed will be marked incorrect.

    images oracle 11g interview questions and answers
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    Q31 How will you find the database process running in linux?

    A BLOB data type is a varying length binary string which is used to store two gigabytes memory. Question 8. If a failure prevents modified data from being permanently written to the datafiles, then the changes can be obtained from the redo log, so work is never lost.

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    What parameters are used to set parallelism in the database?

    check out awesome oracle dba interview questions and answers to succeed in any oracle database interviews. This will test your knowledge. + Oracle Dba Interview Questions and Answers, Question1: What is the difference between RMAN and a traditional hotbackup?

    Question2: What are bind.

    Oracle DBA Interview Questions and Answers [UPDATED]

    + Oracle 11g Interview Questions and Answers, Question1: What is Oracle Identity Federation? Question2: What are the benefits of this version?

    images oracle 11g interview questions and answers

    Question3: .
    Q30 Can you up the database when a control file is lost? By default, Oracle creates B-tree indexes.

    images oracle 11g interview questions and answers

    It has to be iterated through entire cursor to give exact real count. Q10 How can you obtain Information about control file? In other words, when any database user can access it, it is called public synonym.

    images oracle 11g interview questions and answers
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    Question 3.

    A GROUP BY clause can be used in select statement where it will collect data across multiple records and group the results by one or more columns. Answer: A segment is a collection of extents which is used for storing a specific data structure and resides in the same tablespace. TM Lock — Acquired once for each object, which is being changed. It is used for restoring a physical backup, reconstruct it, and make it available to the Oracle server.

    Domain Index — Refers to an application Hash cluster Index — Refers to the index that is defined specifically for a hash cluster.

    When statistics are gathered all references to that object in the shared pool or library cache become invalid, requiring a new hard parse for each SQL statement referencing the object.

    In which language Oracle has been developed?

    Oracle has been developed using C Language. 3. What is RAW datatype? RAW datatype is.

    Top 40 oracle dba interview questions and answers Techgoeasy

    Top Oracle DBA interview questions, Oracle RAC interview Oracle Interview Questions on Advanced Topics along with the answers. Oracle 11g Interview Questions and Answers for Experienced Pdf. This interview section questions contains a brief introduction to the Orcle DBA. It is intended.
    Q14 What are the different stages of database startup?

    Top Oracle 12c New Features for developers. How to find the physical location of the datafiles,redo logs,controlfile? Even if the database is idle, there is no guarantee that database will not write anything to files during snapshot.

    Top 50 Oracle Interview Questions and Answers

    Merge statement is used to select rows from one or more data source for updating and insertion into a table or a view. Datafiles will be connected to tablespace. Question 3.

    images oracle 11g interview questions and answers
    Oracle 11g interview questions and answers
    For example: 9i internet10g grid11g grid12c cloud.

    What are the different type of Segments? Then I read this file to load an array with the top 10 occurrences, I would put the first index in this array, and the count. Cross join will produce result which combines each row from the first table with the each row from the second table.

    During normal database operation, Oracle occasionally logs past block images in flashback logs b.

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    1. Oracle publishes the major release as maintenance release 1 and then usually publishes a second maintenance release during the lifetime of the software. He is expected to follow the latest patches and apply them when applicable.