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I appeared for an interview in Apr 2025, where I was asked the following questions.
Oracle Database is a multi-model database management system known for its scalability, reliability, and advanced features.
Supports various data models: relational, document, graph, and key-value.
Offers high availability features like Real Application Clusters (RAC).
Includes advanced security features such as data encryption and auditing.
Provides tools for performance tuning, like SQL Tuning Advisor.
Integrates with clou...
The current Oracle Database version is 21c, featuring enhanced performance, security, and cloud capabilities.
Oracle 21c is the latest Long Term Support release, offering improved scalability.
New features include AutoML for machine learning and JSON enhancements.
Oracle Database 21c supports multi-model databases, integrating SQL, JSON, and XML.
It provides advanced security features like data redaction and improved audit...
OCI (Oracle Call Interface) is a low-level API for interacting with Oracle databases using C and C++ programming languages.
OCI provides a set of C functions for database operations like querying and updating data.
It allows for efficient memory management and performance tuning in database applications.
Developers can use OCI to build high-performance applications that require direct database access.
Example: A C applicat...
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posted on 7 May 2022
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Basic aptitude knowledge
Strong in java
Developed a web-based project management tool for a startup
Used React for the frontend and Node.js for the backend
Implemented user authentication and authorization using JWT
Integrated with third-party APIs such as Trello and Slack
Implemented real-time updates using WebSockets
Deployed on AWS using EC2 and RDS
I am a software engineer with experience in developing web applications and mobile apps.
Proficient in programming languages such as Java, Python, and JavaScript
Skilled in using frameworks like React, Angular, and Spring Boot
Experienced in working with databases such as MySQL and MongoDB
Familiar with Agile development methodologies and DevOps practices
My dream is to build innovative software solutions that positively impact people's lives.
Developing cutting-edge technology
Creating user-friendly interfaces
Solving complex problems
Collaborating with talented individuals
Making a difference in society
Continuous learning and growth
posted on 29 Oct 2018
I applied via Recruitment Consultant and was interviewed before Oct 2017. There were 5 interview rounds.
To select a particular row from a table, use the SELECT statement with a WHERE clause specifying the desired criteria.
Use the SELECT statement to query the table
Add a WHERE clause to specify the criteria for selecting the row
The WHERE clause can include conditions based on column values
Example: SELECT * FROM table_name WHERE column_name = 'desired_value'
My father retired voluntarily to spend more time with his family and pursue his hobbies.
He wanted to focus on spending quality time with his family after years of working
He had interests and hobbies he wanted to pursue in his retirement
He felt it was the right time in his life to step back from work and enjoy his free time
I applied via Walk-in and was interviewed before Mar 2020. There was 1 interview round.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
CKPT stands for Checkpoint. It is a background process in Oracle database that ensures data integrity and recovery.
CKPT is responsible for writing dirty buffers from the database buffer cache to the data files
It updates the control file and data file headers to record the most recent checkpoint
CKPT is triggered by various events like log switch, manual checkpoint, or when the dirty buffers reach a certain threshold
It h...
Redo log is a set of files that records all changes made to a database and is used for recovery and replication.
Redo log is a crucial component of Oracle database architecture.
It consists of two or more pre-allocated files that store all changes made to the database.
Redo log files are used for recovery in case of a system failure or crash.
They are also used for replication to maintain consistency across multiple databa...
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