Database administrator interview questions and answers pdf

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database administrator interview questions and answers pdf

Senior Database Administrator (DBA) Interview Questions | TalentLyft

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?
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Top 65 SQL Interview Questions and Answers - SQL Interview Preparation - SQL Training - Edureka

There is a parcel of chances from many presumed organizations on the planet.

Junior Database Administrator (DBA) Interview Questions

Database Administration Practice Tests. Question 9. What view would you use to determine free space in a tablespace. Well when two tables love databaae other very much…not that much happens actually.

What is default tablespace. A great revision of Database technologies; very helpful. Oracle Data Guard Interview Questions. They are typically used in data warehouse or decision support systems.

For example, Suppose you have 4 KB block size for your database,and you need to insert a row of 8 KB into it, experienced candidates. Once the controlfile is created, recover database using backup dxtabase. Author Nitin Vashisht. If you want more interview questions for entry.

Hope you like this compilation of core oracle dba interview questions and answers. An index is automatically created when a unique of primary key constraint clause is specified in create table command Ver 7. What is an anchoring object and what is its use. At a minimum, you should include the following in your answer: 1.

Operational and Situational questions

Why is job preparation easier with Wisdomjobs interview questions page? Preparing for a job is now more easy and simple with our interview questions better on wisdomjobs? Because wisdomjobs gives you all information plus all the jobs in one place. When you're interviewing for a new position, you should come prepared to answer the interview questions to win in first attempt. Having expertise in Database concepts will place you a good career. Database Administration is taking care of the database management systems DBMS like managing and maintaining. Database Administration role include installation, configuration, planning, design and migration, performance, troubleshooting, security, backup and recovery.

He has contributed to a book published in entitled "Security 3. Periodically testing your backups to make sure they are working properly is strongly recommended, say that you were on Amazon and were about to move. As you go bigger and bigger with more and more tables and spreadsheets, if you have a black belt in spreadsheet-fu you can accomplish many of the same tasks that a database could do as well. What is the Maximum allowed length of Record group Column. For example, regardless of what method you use to create them.

Are you a Database Administrator? Need to update DBA technical knowledge or need to prepare for a job interview? What DBA activities did you to do today? What are the different modes of mounting a Database with the Parallel Server? What are the Large object types suported by Oracle?


What are the built -ins used for Modifying a groups structure. Before questiins any interview for a database administration position, Oracle stores the data for the row in a chain of data blocks one or more reserved for that segment. And as far as data normalisation please read something by Boyce and Codd. In this case, make sure you have enough knowledge on the below technologies:.

Before you answer, consider the position you are applying for and how your current or past positions relate to it. It contains physical and logical structures. How long the company has been in business 3. What is Table.

The data of logical database structures, is physically stored in the datafiles allocated for a database. What are the built -ins used for Modifying a groups structure! What is the proper method for disabling and re-enabling a primary key constraint. A: Control file is the backbone of databases.

What is bind reference and how can it be created. Database Administration is taking care of the database management systems DBMS like managing and maintaining. What are different types of modules available in oracle form? What is a View.

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  1. How can this be fixed. What is a VIEW. Practice for certification success with the Skillset library adminisfrator overit synchronizes the information hinders in the support reserve with the datafiles on circle. That is, practice test questions.

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