Oracle Dba Interview Questions







Database administrator interview questions Although the labor market is not as tight as it was a couple of years ago, recruiting top Oracle talent is still a challenge—especially f Microsoft Access Interview Questions. 2019 1z0-068 Pdf Exam Dump 100% Pass | The Best Oracle Database 12c: RAC and Grid Infrastructure Administrator Valid Braindumps Questions Pass for sure, Our website is a worldwide certification dumps leader that offer our candidates the most reliable Oracle exam pdf and valid 12c exam questions which written based on the questions of 1z0-068 real exam, It is reported that people who attend the. 10 SQL Server DBA Interview Questions | Senior DBA - […] You can find scores of questions on the internet, as well as questions based on your own experiences. ORACLE DBA Interview FAQs. Oracle Concepts and Architecture Interview Questions and Answers includes, Physical database, structure of Oracle Database, components of Logical database, Tablespace, SYSTEM tablespace, relationship among Database, schema, Schema Objects, Table. Interview questions and answers for Oracle database Oracle Database Administration Interview Questions and Answers. ONLC offers instructor-led training classes in Washington, District of Columbia for Oracle database PL/SQL, administration and development. Oracle DBA Interview Questions and Answers - Oracle 11g Database. Global Inventory holds information about Oracle Products on a Machine. SQL is an ANSI and ISO standard and is the de-facto standard database query language. Oracle DBA Interview Questions, Ahmedabad, India. ORACLE APPS DBA INTERVIEW QUESTIONS. What are the advantages in using Oracle Data Guard? Following are the different benefits in using Oracle Data Guard feature in your environment. com due to wonderful sell. Oracle Database Cloud Service uses the same standards, products, and skills you currently use on premises, making it easy to move database workloads to the public cloud. PCT-FREE is a block storage it uses to mention how much space should be left in database block for future updates (updating the records eg. I have divided the questions into 3 categories Technical Interview Questions, Unix Related questions asked to an Oracle Database Administrator (DBA) and Backup and Recovery Interview Questions commonly asked in Oracle DBA interview. Comprehensive, community-driven list of essential SQL interview questions. Oracle Database Cloud Service uses the same standards, products, and skills you currently use on premises, making it easy to move database workloads to the public cloud. Displayed here are Job Ads that match your query. ORACLE DATA GUARD INTERVIEW QUESTION - ANSWER. Frequently asked Oracle DBA Interview Questions and Answers for Freshers and Experienced candidate prepared by mytectra experts are here, All the best. It is intended as a tutorial on the Oracle, and commonly asked qestions in all interviews. Various options available with adpatch depending on your AD version are autoconfig, check_exclusive, checkfile, compiledb, compilejsp, copyportion, databaseprtion, generateportion, hotpatch, integrity, maintainmrc, parallel, prereq, validate. startup migrate was used to upgrade a database till 9i. You may also look at the following articles to learn more - Most Useful Group Interview Questions | 6 Tips for a Group Interview; Effective ways to Stand Out In a Phone Interview. November 16, 2008 at 11:04 PM. So, You still have an opportunity to move ahead in your career in Oracle DBA Development. Top 20 dba interview questions and answers If you need top 7 free ebooks A data block size is specified for each Oracle database when the database. I have checked and studied lot of website and taken the opinion of experienced professionals and come up with Interview Questions for SQL. Oracle 11g Interview Questions and Answers for Experienced Pdf. Whether you are a developer creating web applications, a DBA or a tester involve in web testing, SQL skills are important both in database programming and database validation. Mistakes in a DBA hire can cost an organization a lot of money and hurt morale. Real Time Oracle DBA training by MNC Expert with 15+yrs. This interview section questions contains a brief introduction to the Orcle DBA. If you are assigned to managing 20-200 production databases. Oracle DBA Interview Questions and answers for beginners and experts. txt) or read online for free. One or more datafiles, two are more redo log files, and one or more control files. Either if you are the interviewer, or the interviewer. Sep 8, 2013. I've collected a list of questions to help you start as a study guide before you begin your employment path. Oracle DBA Interview Questions/FAQs Part1 1. I am migrating my Oracle database from non-exadata to exadata but my source OGG software and target OGG software versions are different (Say Source is running OGG 11. In this article, we explore some of the most common interview questions asked during a database manager interview along with some great answers to help you win the job. This global Inventory location will be determined by file oraInst. No one expects an Oracle DBA to have in-depth knowledge of all aspects of Oracle database security. Probably learning SQL and PL/SQL may not fascinate you. Oracle dba interview Questions and Answers. The combination of the background processes and memory buffers is called an Oracle instance. For the professionals who are looking forward to attending Oracle Database Administrator interview in recent times, here are some of the most popular interview questions and answers that will definitely help you in the right way. Explain the difference between a hot backup and a cold backup and the benefits associated with each. Mistakes in a DBA hire can cost an organization a lot of money and hurt morale. Oracle is a database server that is used to handle data in a structured manner. Oracle is a secured database that is widely used in multinational companies. Q: Is it true that the retrieval time is shorten by the dynamic calculation and the database calculation time is longer? A: It is exactly backwards than stated because the when the calculation of dynamic members is made we will have a longer retrieval time. It is most frequently used in enterprise applications, such as corporations, schools, interest-based user groups, charities or governmental entities. MySQL Tutorials. pls suggest. Here is the first part of a two part series on helping you answer those tough questions that you might experience in your quest for an Oracle DBA position. You can visit our page again to get latest updates regarding the SQL Queries Interview Questions and Answers for 3 Years’ Experience, SQL DBA Interview Questions And Answers etc. oracle apps dba interview questions for 3+ years of experience You can use adadmin utility to compile or you can use utlrp. Interview Mocha’s Oracle DBA online test is created by Oracle DBA experts and contains questions on Oracle basics, Oracle administration, Oracle replication, data recovery advisor, SQL performance analyzer. Here, we have prepared the important Oracle database Interview Questions and Answers which will help you get success in your interview. What happens if the ICM goes down?. Here we provide most common Interview question for SQl and database. sh/bTIx61Y You can also suggest me to make a video on any topic of. Oracle DBA Interview Questions and Answers (1) Oracle Interview Questions and Answers (1) Oracle-Questions (1) R12 New Techstack and Directory Structure Changes (1) RAC INTERVIEW QUESTIONS AND ANSWERS (3) Restore and Recovery Scenarios (1) RMAN COMMANDS (3) Scenarious (1) TUNING INTERVIEW QUESTIONS AND ANSWERS (1) UPGRADATION OF DATABASE FROM. Finally, latest 4 th edition of Oracle DBA Interview Questions released today. The purpose of a database is to store and retrieve related information. May 4, 2011 karunakar reddy Oracle Apps DBA Interview Questions Leave a comment Jinitiator is the Oracle JVM used to run the applet instead of using browsers own JVM. Behavioral-based interview questions focus on how you handled various work situations in the past. What sort of questions one can expect in an entry level (junior DBA) interview? Assume the candidate has 3 years of experience (as a developers and DBA). ORACLE Tutorials ; Oracle DBA Interview Questions and Answers: Oracle DBA Interview Questions 1. Database Administrator Interview Questions and Asnwers. Oracle is also a database server, which manages data in a very structured way. Data Guard Interview Questions & Answers Data Guard Interview Questions & Answers. DBMS can be termed as File Manager that manages data in a database rather t Top 50 SQL Interview Questions & Answers. Step by step how to apply CPU(SPU) Patch in Oracle. What you’re saying is absolutely correct Linux interview questions for DBA , but this isn’t the exact situation everywhere. These 45 solved Oracle questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals. The Delete command will log the data changes in the log file where as the truncate will simply remove the data without it. As one of the world's leading database management providers, Oracle is known for providing top-of-the-line solutions for its users. AllInterviewz provides a large collection of interview questions and answers mainly on technical side like C, JAVA, Oracle, SAP, DW etc. One of the resumes I read mentioned the applicant had = experience in performance tuning by 'tuning buffer cache hit ratios' and = that made me want to buckle down and ask a few appropriate questions. This list includes questions for junior, experienced and characteristics of Oracle database, roles of a database administrator, tools used for administering Oracle database, comparing a cluster and a grid, Oracle Grid Computing Architecture…. the therory and the quaries both. Learn Best Oracle in Chennai exclusively in Velachery, Tambaram, OMR, Anna Nagar, T Nagar, Thiruvanmiyur, Adyar, Porur, Maraimalai Nagar and Siruseri with certified experts. oracle core interview questions Oracle RAC interview questions oracle ASM interview questions oracle training in Mumbai oracle dba training in Mumbai. Oracle E-Business Suite R12. However for Oracle to apply these transactions on the destination database, the before image key values are required to identify the effected rows. Database Administration - 261 Database Administration interview questions and 826 answers by expert members with experience in Database Administration subject. Question and Answer for Some very tricky JDBC interview questions asked to experienced senior Java Developers. Free VMware vSphere Interview Guide. But I had found one better and effective blog related to Oracle DBA Interview Q/A’s. Oracle 18c Database (18. This post “SQL DBA – INTERVIEW QUESTIONS ANSWERS – 2” helps SQL DBA for interview preparation. 1- You have written in your CV that As a DBA u can Test a Backup, How? 2- You have written in your CV, that you can monitor physical and logical backup, how?. Explain the difference between a hot backup and a cold backup and the benefits associated with each. net interview questions please send to my mail id. 5th edition of book is most popular and hot in market. Question 02: In which version of Oracle RAC is implemented? Answer: Oracle 9i database introduced Oracle RAC in year 2001. Setting DB_ULTRA_SAFE at the primary will also automatically set DB_ LOST_WRITE_PROTECT=TYPICAL on the primary database. Get DBA full form and full name in details. Oracle Database Cloud Service uses the same standards, products, and skills you currently use on premises, making it easy to move database workloads to the public cloud. As a database developer, writing SQL queries, PLSQL code is part of daily life. Creating Database Manually; Postgres – DBA Guide. i have two tables. Basic (Every DBA should answer correctly ALL these questions. DATABASE Administrator (DBA) Interview Questions and Answers Are you a Database Administrator? Need to update DBA technical knowledge or need to prepare for a job interview? Check out this collection of DATABASE Administrator (DBA) Interview Questions and Answers DATABASE Administrator (DBA) Interview Questions and Answers. 25 Oracle Goldengate Interview Questions and Answers. Oracle Dba Technical Interview Questions And Answers Pdf Downloads Torrent Simple-Complex Ankur 12-6-2011 04:08 AM Oracle interview questions. Although, my interview questions were only that detailed when a DBA was among the interviewers. The Oracle database consists of the physical components such as data files; redo log files, and the control file. Below is the list of top DBA Interview Questions and answers to your rescue. Explain the difference between a hot backup and a cold backup and the benefits associated with each. Oracle DBA Interview Questions And Answers-Set-3. Database Administration DBA FAQs Interview Questions Oracle Oracle DBA VirtualNuggets. Oracle Application DBA 11i Interview Questions - II 1)I am applying a patch , can I open another session and run adadmin ? Ans: Yes, unless you are running a process where workers are involved. 0 Data Guard with Broker configuration whenever there is an attempting to restart the standby in read only. Oracle 11g has made it extremely simple to set up a standby database environment because Recovery Manager (RMAN) now supports the ability to clone the existing primary database directly to the intended standby database siteover the network via the DUPLICATE DATABASE command set while the target database is active. 3557 TCS interview questions tips to crack GD topics test pattern shared by 1 candidates interviewed for TCS TCS oracle database administrator Interview Questions. Oracle is a database server that is used to handle data in a structured manner. What is Online Patching? Ans: Online patching is a new patching mechanism that is available with R12. Oracle DBA Interview Questions/FAQs Part1 1. What is the difference between database and instance Oracle database is consists of. What is database background process like DBRW, LGWR, CKPT SMON, PMON etc? 2. Oracle is a secured database that is widely used in multinational companies. Oracle dba interview questions with answer 1. Some Important routine Oracle DBA Interview Questions "Very useful questions and proper answers of Oracle DBA HR Interviews" Here are some common and general interview questions raised by either HR department or It recruiters. Q: Is it true that the retrieval time is shorten by the dynamic calculation and the database calculation time is longer? A: It is exactly backwards than stated because the when the calculation of dynamic members is made we will have a longer retrieval time. Displayed here are Job Ads that match your query. The Systems Global Area (SGA) and shared pool are memory structures. Oracle 11g Interview Questions and Answers for Experienced Pdf. Oracle DBA Interview Questions and Answers (1) Oracle Interview Questions and Answers (1) Oracle-Questions (1) R12 New Techstack and Directory Structure Changes (1) RAC INTERVIEW QUESTIONS AND ANSWERS (3) Restore and Recovery Scenarios (1) RMAN COMMANDS (3) Scenarious (1) TUNING INTERVIEW QUESTIONS AND ANSWERS (1) UPGRADATION OF DATABASE FROM. Step by step how to apply CPU(SPU) Patch in Oracle. These questions are common for both Senior Oracle DBA or Junior DBA. Ashutosh Nautiyal Oracle DBA's Blog Oracle Core Interview Questions & Answers How can you see the Current SCN number of the database?. The portal brings oracle dba interview questions for freshers, experts and pro separately so that you can prepare for the. We have compiled a list of Spotfire interview questions to help you better prepare for your Spotfire job interview. Oracle SQL/PLSQL Questions & Answers: What is SQL statement? SQL stands for Structured Query Language that is use for updating, deleting and inserting the information from databases. • Changes to entries logged. Oracle is also a database server, which manages data in a very structured way. You can expect that your interview at Oracle will be challenging and filled with a wide variety of questions. Introduction to DBA interview questions And Answer. 1- You have written in your CV that As a DBA u can Test a Backup, How? 2- You have written in your CV, that you can monitor physical and logical backup, how?. Oracle interview question for Oracle Database DBA includes, Database Instance, Memory Structure, Background Process, Schema, Parallel. Oracle Patching,Cloning and Upgrade Interview Questions and Answers When you moved oracle binary files from one ORACLE_HOME server to another server then which oracle utility will be used to make this new ORACLE_HOME usable?. Oracle Interview Questions. 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. Candidates for this role should have a Computer Science degree along with work experience as a Database Developer or Database Administrator. Work wise, a DBA has more pressure; That doesn't a java developer has less pressure but going by the nature of job DBAs have greater responsibilities and hence pressure. Off course, 4th edition of Oracle DBA Interview Questions & Answer book became best seller of 2013 for Kendba. 60 Technical Questions 42 Backup & Recovery Questions Unix For Oracle DBA 20 Questions Download Oracle 11g / 12 c Software Links to Download Oracle 12c / 11g for Linux. For example, a new DBA should be aware of roles, profiles, user accounts, object and system level privileges, and related concepts. Interesting take on some fundamental interview questions. Read on to know more about Oracle DBA Interview Questions: Oracle DBA - Interview Questions Oracle DBA is incomplete without knowing SQL and PL/SQL. But I had found one better and effective blog related to Oracle DBA Interview Q/A's. There are a lot of factors that determine how well a DBA will fit into an environment. Instead of browsing hundreds of websites you can simply get all answers to your oracle questions on one platform. Oracle interview question for Oracle Database DBA includes, Database Instance, Memory Structure, Background Process, Schema, Parallel. Oracle DBA interview questions Hi aspiring DBA's, I will be posting the commonly asked interview questions and answers here, be updated regularly. For those who are looking for Oracle Apps DBA Jobs , I have listed 100+ interview questions for Apps DBA's with answers. I'm not an expert, do correct me if I'm wrong anywhere, much appreciated, Thank you for reading and learning something today!Disclaimer: The following questions and solutions are intended for a quick refresh on the interview questions which…. November 16, 2008 at 11:04 PM. Frequently asked basic and advanced Oracle Database. Oracle Performance Tuning Interview Questions And Answers. Candidates for this role should have a Computer Science degree along with work experience as a Database Developer or Database Administrator. Oracle 11g DBA Interview Questions and Answers. Oracle DBA Interview Questions (Part-2) 5 Questions to Note for Every Data. Top Ten DBA Interview Questions I'm often asked what interview questions should be asked of a new DBA you are considering to hire. What are the scripts do you use while Apps Cloning? adpreclone. But if you are running Oracle database 10. Oracle 11g DBA Interview Questions and Answers Posted by Abka - Free download as Word Doc (. We have compiled a list of Spotfire interview questions to help you better prepare for your Spotfire job interview. Oracle database also support this language. Interviewing for a database position is a careful game of give and take. oracle dba interview questions and answers which i faced you can find the path to your current session's trace file or to the trace file for each Oracle Database. By going through this questionnaire, anyone must be able to recognize the questions and explanations provided. ora file and cannot be changed latter. They gather user requirements, design and test databases. Database Administrator (DBA) Interview Questions. Oracle database (Oracle DB) is a relational database management system (RDBMS) from the Oracle Corporation. In this you will learn what is Spotfire analytics, features of Spotfire, Spotfire cloud, Spotfire shared folders and more. The demand for strong database management and development skills is strong and growing — hiring experts says database and database-related jobs are on the hot list for 2014/2015. The Oracle RDBMS is highly tunable and allows the database to be monitored and adjusted to increase its performance. sql server dba interview questions and answers for experienced,latest sql server dba interview questions,sql server dba interview questions 2014,2013,2012,2011. but this is asked quite often in Apps DBA Interview. Here is the Collection and Answer to some Interesting ORACLE DBA Interview Questions. Oracle DBA – A Helping Hand Rajeev Kumar Jha – Domain Head Oracle (OCP 9i, 10g, 11g, 12c & Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator). Creating Database Manually; Postgres – DBA Guide. The interviewer will ask you more difficult and scenario-based questions to check your knowledge and experience as well. Can anybody out there help me with interview question and answers. Probably learning SQL and PL/SQL may not fascinate you. The Author has shared DBA interview Questions with Answers. Most consumer-facing web startups these days use one of the major open source databases, either MySQL or PostgreSQL, to some degree. Posted by Dinesh Sati. Here I have collected some common Interviews questions asked to a DBA relating to Unix environment. Candidates for this role should have a Computer Science degree along with work experience as a Database Developer or Database Administrator. Oracle database upgrade from version to version. Oracle SQL/PLSQL Questions & Answers: What is SQL statement? SQL stands for Structured Query Language that is use for updating, deleting and inserting the information from databases. As one of the world's leading database management providers, Oracle is known for providing top-of-the-line solutions for its users. Get DBA full form and full name in details. 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Top most important Oracle DBA interview questions and answers by Experts: Here is a list of Top most important Oracle DBA interview questions and answers by Experts. I've often thought about this 51 ORACLE SQL PL/SQL INTERVIEW QUESTIONS. Learn and practice the placement papers of ORACLE and find out how much you score before you appear for your next interview and written test. This gives an view of the crucial responsibility of a DBA. Frequently asked basic and advanced Top 80 + SQL Queries Interview Questions and Answers with Examples for Business Analyst, Data Analyst, DBA, Freshers and Experienced Java, PHP, Dot Net programmers in Oracle, MySQL and MS SQL Database. Few Basic Hyperion interview questions for jobs:. How many Maximum Datafiles can there be in an Oracle Database? 9. One or more datafiles, two are more redo log files, and one or more control files. Control file is very crucial file of oracle database, which content location of redo log files and database files. Interview questions and answers for Oracle database Oracle Database Administration Interview Questions and Answers. It stores information about both the logical and physical structure of the database, the valid users of an ORACLE database, integrity constraints defined for tables in the database and space allocated for a schema object and how much of it is being used. An Oracle database server consists of an Oracle database and an Oracle instance. Oracle interview question for Oracle Database DBA includes, Database Instance, Memory Structure, Background Process, Schema, Parallel. Thomas LaRock explains how dating is like looking for a job. DBA Questions: The following questions have been developed to afford a reasonable view into the skills, experience, and qualifications of someone applying for the position of Oracle DBA. 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We have compiled a list of Spotfire interview questions to help you better prepare for your Spotfire job interview. Originally developed in 1977 by Lawrence Ellison and other developers, Oracle DB is one of the most trusted and widely-used relational database engines. Oracle DBA Learn Oracle 11g / 12c Database Admin step by step Oracle SQL Tutorial for Oracle SQL Oracle DBA Interview Questions Most asked Oracle DBA Interview Questions. “Oracle DBA Interview Questions with exclusive real time scenario based and most advance topics. Nice Q/A for fresher Oracle DBA. Although, my interview questions were only that detailed when a DBA was among the interviewers. (for half an hour to write queries ,given different tables and data) get the name till @ symbol in email id. As a database developer, writing SQL queries, PLSQL code is part of daily life. Where most smart folk work on a project - why can’t you do this the Boss asks :). ORACLE DATA GUARD INTERVIEW QUESTION - ANSWER. What is the difference between database and instance Oracle database is consists of. This has been a guide to List Of Oracle Interview Questions and answers so that the candidate can crackdown these Oracle Interview Questions easily. Home > Interview Question and Answer > Oracle > Oracle Concepts and Architecture. Top most important Oracle DBA interview questions and answers by Experts: Here is a list of Top most important Oracle DBA interview questions and answers by Experts. Tagged in dba questions , oracle , questions and answer. Oracle Interview Questions and Answers The data dictionary of an ORACLE database is a set of tables and views that are used as a read-only reference about the. One or more datafiles, two are more redo log files, and one or more control files. can i use commit in a trigger. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next SQL interview ahead of time. 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Oracle Database Interview Questions and Answers such as How can I prevent the Alert Log from becoming very large, How I can determine which SQL statement triggered an Oracle error, What are the parameter recommendations for Oracle, Where can I find the Oracle installation or upgrade CDs etc. ORACLE DBA 500+ QUESTIONS. 13)Can we apply PSU on database without applying PSU on grid in 11. I read some of those from Gitesh Trivedi's book called Oracle DBA Interview Questions And Answers 5th edition. According to research, Oracle DBA has a market share of about 0. 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 free inside look at Senior Oracle-DBA interview questions and process details for 85 companies - all posted anonymously by interview candidates. The orainventory stores information about: All Oracle software products installed in all ORACLE_HOMES on a machine Other non-Oracle products, such as the Java Runtime Environment (JRE). Apps Patch worker can fail in case it doesn't find expected data, object. Below is the list of top DBA Interview Questions and answers to your rescue. Oracle interview Questions. ORACLE DBA INTERVIEW QUESTIONS No posts. Oracle Application DBA 11i Interview Questions - II 1)I am applying a patch , can I open another session and run adadmin ? Ans: Yes, unless you are running a process where workers are involved. Hi, Best Oracle DBA Interview Questions and Answers books is from Kendba. What sort of questions one can expect in an entry level (junior DBA) interview? Assume the candidate has 3 years of experience (as a developers and DBA). What are the components of Physical database structure of Oracle Database? What is the function of ARCH ?. With well over a decade of Oracle experience from version 6 to 11g, I have had my share of interviewing prospective DBA employees in a range from Junior to Senior DBAs. Oracle RAC interview questions and answers RAC : It is therefore recommended that the minimum version of the client used is the Oracle Database 11g Release 2 client. Oracle PL SQL tutorial to teach you the basics of programming in PL/SQL like cursors, stored procedures, functions. According to research, Oracle DBA has a market share of about 0. Interviews - Repository of Interview Questions and Answers AllInterviewz provides a large collection of interview questions and answers mainly on technical side like C, JAVA, Oracle, SAP, DW etc. If you are looking for DBA Database Tuning Interview Questions, here is the comprehensive list. It is one of the best place for finding expanded names. November 16, 2008 at 11:04 PM. Here is the Link to Download Interview Question & Answers of Oracle 11g and 12c http://jmp. 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Is it an upgrade in place or a new install/migration What are the best hardware configuration and setup in order to provide high availability capabilities for database as a service (i. oracle dba interview questions and answers which i faced you can find the path to your current session's trace file or to the trace file for each Oracle Database. We have compiled a list of Spotfire interview questions to help you better prepare for your Spotfire job interview. if my SGA Memory size is 10GB and my table size is 5GB, When i select the 5GB table it will fit into the buffer cache. In this 2019 Oracle database Interview Questions article, we shall present 10 most important and frequently asked Oracle database interview questions. Perfectly prepare for an Oracle DBA interview and know expected database interview questions. PCT-FREE is a block storage it uses to mention how much space should be left in database block for future updates (updating the records eg. More Questions with Practical way explained here in this blog, Please read. I've often thought about this 51 ORACLE SQL PL/SQL INTERVIEW QUESTIONS. Customer reports a application slowness issue, and you need to evaluate database performance. Free VMware vSphere Interview Guide. Off-loading Backup operation to standby database. This list includes questions for junior, experienced and characteristics of Oracle database, roles of a database administrator, tools used for administering Oracle database, comparing a cluster and a grid, Oracle Grid Computing Architecture…. Top most important Oracle DBA interview questions and answers by Experts: Here is a list of Top most important Oracle DBA interview questions and answers by Experts. DBA Interview Questions 1) Primary database scn is 22 and standby SCN is 24 how you will resolve this issue. 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