Technical Specialist Database administrator- Oracle
NTT DATA, Inc. Chennai, Tamil Nadu, India
Job Description
"As a Technical Specialist Database Administrator in Oracle, you will be responsible for designing, implementing, and maintaining large-scale database systems to meet the growing demands of NTT DATA, Inc. clients."
In this role, you will work closely with cross-functional teams to ensure seamless database operations, troubleshoot complex issues, and implement database security measures.
With the increasing adoption of Oracle databases, the demand for skilled database administrators has never been higher. As a Technical Specialist Database Administrator, you will be at the forefront of this trend, driving business growth and innovation through your expertise.
Why you should learn this:
According to Glassdoor, the demand for Oracle database administrators is projected to grow by 13% in the next 5 years, with a median salary range of $118,000 - $170,000 per year.
Expected Salary: As a Technical Specialist Database Administrator, you can expect a salary range of $120,000 - $180,000 per year, depending on experience and location.
How it works:
- Design and implement large-scale database systems using Oracle RDBMS
- Troubleshoot complex database issues and optimize system performance
- Develop and maintain database security measures to protect against cyber threats
Core Concepts to Master
Oracle RDBMS Architecture
Understand the fundamentals of Oracle RDBMS architecture, including the role of the database instance, instance parameters, and memory structures. Learn about the different types of Oracle databases, including single-instance, RAC, and Exadata.
SQL Tuning and Optimization
Master the art of SQL tuning and optimization, including techniques for index creation, query rewriting, and performance monitoring. Learn about the different tools and techniques used for SQL tuning, including Oracle's built-in tools and third-party software.
Database Security and Compliance
Understand the importance of database security and compliance in today's enterprise environment. Learn about the different types of database security threats, including SQL injection, buffer overflows, and unauthorized access. Discover best practices for implementing database security measures, including encryption, access control, and auditing.
Interview Questions (Beginner)
- What is Oracle RDBMS and how does it differ from other database management systems?
- Can you explain the concept of transactions in Oracle and how they are used?
- How do you troubleshoot common database issues, such as performance bottlenecks and deadlocks?
Job Overview
Advance Questions
- • Design a high-availability database architecture using Oracle RAC and Exadata.
- • Optimize a complex SQL query using Oracle's built-in tuning tools and techniques.
- • Implement a database security plan to protect against SQL injection and unauthorized access.