Oracle Financial Services Software DBA Consultant Interview Questions and Answers

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
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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...read more
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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
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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.
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The assignment was given to check overall knowledge in the BI domain with questions on EDA & data modelling & visualisation.

Q1. The interview was based on the assignment provided
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Q1. Rdms architecture & dataguard concept
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Q2. Rac implementation & exadata exposure
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Q1. How many nodes can we implement in rac
Ans. 
Up to 60 nodes can be implemented in RAC.
• RAC stands for Real Application Clusters

• The number of nodes depends on the version of Oracle Database being used

• Oracle Database 12c supports up to 60 nodes in RAC
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Q1. What is the difference between 11i and R12
Ans. 
11i and R12 are two different versions of Oracle E-Business Suite.
• 11i is the older version, released in 2000, while R12 was released in 2007.

• R12 has a more modern architecture and improved features, such as online patching and subledger accounting.

• Upgrading from 11i to R12 requires careful planning and testing.

• Both versions are still in use, but Oracle has announced that support for 11i will end in 2020.
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Q1. How. Many years of experience do you have
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Q1. What is ur salary expectations
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General dba related questions

Q1. Technical discussion regarding oracle and experience
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Q2. Commands for rman backups and difference between them
Ans. 
RMAN backups can be performed using commands like BACKUP DATABASE, BACKUP ARCHIVELOG, BACKUP CONTROLFILE, etc.
• BACKUP DATABASE: used to backup the entire database

• BACKUP ARCHIVELOG: used to backup archived redo logs

• BACKUP CONTROLFILE: used to backup the control file

• BACKUP TABLESPACE: used to backup specific tablespaces

• BACKUP AS COPY: used to create a physical copy of data files during backup
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Q3. Dataguard questions
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Q4. How do you create schema, difference between data types
Ans. 
To create a schema, use CREATE SCHEMA statement. Data types include VARCHAR2, NUMBER, DATE, etc.
• Create a schema using CREATE SCHEMA statement

• Specify data types for columns when creating tables

• Common data types include VARCHAR2, NUMBER, DATE, etc.

• Use appropriate data types based on the type of data being stored
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Q1. This was the lead of the team and involved little technical questions and more of understanding work culture
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Q1. Basics architecture, rman, datapump, upgrade, asm
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Q1. Block corruption, upgrade, rman datapump, asm, patching
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Q1. Basics..... Speaking skills.. Salary discussion
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Q1. What about your self introduction
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Q2. Tell obout your hobbies
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Q3. Tell obout your techincal skills
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Q4. This job which can be useful for you
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Q5. Tells about what about your skills
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Q6. You can reach a goal
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Q1. What about your self introduction
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Q2. Tell obout your hobbies
Add your answer
Q3. Tell obout your techincal skills
Add your answer
Q4. This job which can be useful for you
Add your answer
Q5. Tells about what about your skills
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Q6. You can reach a goal
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