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Intellect Design Arena Oracle Database Administrator Interview Questions, Process, and Tips
Intellect Design Arena Oracle Database Administrator Interview Experiences
1 interview found
Selected
I applied via Naukri.com and was interviewed in Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. How do you resolve gap on a Physical Standby in Dataguard ?
- Ans.
Resolve gap on a Physical Standby in Dataguard by identifying the missing archived redo log files and manually copying them over.
Check the alert log for errors related to missing archived redo log files
Identify the sequence number of the missing redo log files
Manually copy the missing archived redo log files from the primary database to the standby database location
Register the missing redo log files using the ALTER DA
- Q2. What do you do when client complains about poor performance of Database ?
- Ans.
Investigate the issue, analyze performance metrics, identify bottlenecks, optimize queries, and implement performance tuning.
Investigate the issue by analyzing logs, monitoring tools, and gathering information from the client.
Analyze performance metrics such as CPU usage, memory usage, disk I/O, and query execution times.
Identify bottlenecks in the database system such as slow queries, inefficient indexing, or hardware...
(2 Questions)
- Q1. Do you have knowldge on cloud ?
- Ans.
Yes, I have knowledge on cloud computing.
I have experience working with cloud databases like Oracle Cloud Database
I am familiar with cloud storage solutions like Amazon S3 and Google Cloud Storage
I have implemented cloud backup and disaster recovery strategies in previous roles
- Q2. Do you have knowledge on other RDBMS ?
- Ans.
Yes, I have knowledge on other RDBMS such as MySQL, SQL Server, and PostgreSQL.
I have experience working with MySQL, including database design and optimization.
I am familiar with SQL Server and have performed tasks such as backup and recovery.
I have worked with PostgreSQL and have knowledge of advanced features like partitioning and replication.
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
(5 Questions)
- Q1. Question about dba
- Q2. Difference Between SQL And nosql
- Ans.
SQL is a structured query language used for relational databases, while NoSQL is a non-relational database management system.
SQL is used for structured data with predefined schema, while NoSQL is used for unstructured or semi-structured data.
SQL databases are vertically scalable, while NoSQL databases are horizontally scalable.
SQL databases are ACID compliant, ensuring data integrity, while NoSQL databases sacrifice so...
- Q3. How to restore the database using rman
- Ans.
Restoring a database using RMAN involves connecting to the target database, restoring the control file, and recovering the database.
Connect to the target database using RMAN
Restore the control file from a backup
Restore the datafiles and tablespaces
Recover the database to bring it to a consistent state
Perform necessary checks and validations after restoration
- Q4. How to change column in table
- Ans.
You can change a column in a table using the ALTER TABLE statement in SQL.
Use the ALTER TABLE statement followed by the MODIFY keyword to change the data type or size of a column.
Use the ALTER TABLE statement followed by the ADD or DROP keyword to add or remove a column.
Make sure to specify the table name, column name, and the new data type or size when making changes.
- Q5. What are different types of objects in database
- Ans.
Different types of objects in a database include tables, views, indexes, sequences, and stored procedures.
Tables: Used to store data in rows and columns.
Views: Virtual tables created by a query.
Indexes: Improve the performance of queries by allowing quick access to specific rows.
Sequences: Generate unique numbers.
Stored Procedures: Precompiled SQL code that can be executed with parameters.
Interview Preparation Tips
Skills evaluated in this interview
Oracle Database Administrator Interview Questions & Answers
Oracle Financial Services Software
Anonymous
posted on 3 Oct 2024
Selected
I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Fundamentals of Oracle DB and Architecture
- Ans.
Fundamentals of Oracle DB and Architecture
Oracle Database is a relational database management system (RDBMS)
It uses SQL (Structured Query Language) for querying and managing data
Consists of physical and logical structures like data files, tablespaces, and schemas
Architecture includes components like instance, memory structures, and background processes
- Q2. Prepare well for the Architecture and Basics
(2 Questions)
- Q1. Fundamentals of Oracle DB, RAC, DG and Architecture.
- Q2. Work experience, questions related to your experience
(1 Question)
- Q1. Default question, which hiring manager asks
Interview Preparation Tips
Company is good from the Learning perspective.
Good environment and Resources to Learn and acquire more skill sets.
Exposure to latest trends in the market.
Onsite Opportunities.
Cons:
Salary Hikes are not so good as compared to earlier.
Oracle Database Administrator Interview Questions & Answers
Oracle Cerner
Raj Kishore Shaw
posted on 22 May 2023
Selected
I applied via Referral and was interviewed before May 2022. There were 4 interview rounds.
(1 Question)
- Q1. Basics architecture, rman, datapump, upgrade, asm
(1 Question)
- Q1. Block corruption, upgrade, rman datapump, asm, patching
(1 Question)
- Q1. Basics..... Speaking skills.. Salary discussion
(2 Questions)
- Q1. Q.About SQL Server T-SQL
- Q2. Q.Normal scenario based questions
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
(1 Question)
- Q1. What is view synonym mview Explain datapump Oracle goldengate in detail
- Ans.
A materialized view (mview) is a database object that contains the results of a query. Datapump is a tool for moving data between Oracle databases. Oracle GoldenGate is a real-time data integration and replication tool.
Materialized views (mviews) store the results of a query for faster access.
Datapump is a tool used for exporting and importing data between Oracle databases.
Oracle GoldenGate is a real-time data integrat...
(1 Question)
- Q1. What is your goal
Oracle Database Administrator Interview Questions & Answers
Oracle Financial Services Software
Anonymous
posted on 24 May 2022
I applied via Naukri.com and was interviewed in Nov 2021. There were 5 interview rounds.
(1 Question)
- Q1. Oracle DBA questions
(1 Question)
- Q1. Oracle DBA questions
(1 Question)
- Q1. Managerial round questions for this round.
(1 Question)
- Q1. HR discussion round, normal HR questions.
Interview Preparation Tips
Oracle Database Administrator Interview Questions & Answers
Oracle Cerner
Raj Kishore Shaw
posted on 22 May 2023
Selected
I applied via Referral and was interviewed before May 2022. There were 4 interview rounds.
(1 Question)
- Q1. Basics architecture, rman, datapump, upgrade, asm
(1 Question)
- Q1. Block corruption, upgrade, rman datapump, asm, patching
(1 Question)
- Q1. Basics..... Speaking skills.. Salary discussion
I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
(1 Question)
- Q1. How to configure RAC in detail? Shell scripting SQL scripting
- Ans.
Configuring RAC involves setting up shared storage, network, and database components on multiple nodes.
Configure shared storage using ASM or NFS
Configure network components such as VIP, SCAN, and listener
Install Oracle Grid Infrastructure and Oracle Database software on all nodes
Create a RAC database using DBCA or manually
Configure load balancing and failover using services
Use shell scripting and SQL scripting to autom...
Interview Preparation Tips
If you are giving interview as 3+ years, they will expect that you should posses the expertise 5+ years of experience.
Skills evaluated in this interview
Oracle Database Administrator Interview Questions & Answers
Oracle Financial Services Software
Anonymous
posted on 29 Mar 2022
(1 Question)
- Q1. Architecture of oracle database, expdp
- Ans.
Oracle database architecture consists of memory structures, background processes, and physical files.
Oracle database has a shared memory architecture
Memory structures include SGA and PGA
Background processes include PMON, SMON, DBWR, LGWR, etc.
Physical files include data files, control files, redo log files, etc.
expdp is a utility used for exporting data from an Oracle database
Interview Preparation Tips
Skills evaluated in this interview
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Intellect Design Arena Oracle Database Administrator Interview Process
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