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ITC Infotech data modeller Interview Questions and Answers
ITC Infotech data modeller Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. About your experience
- Q2. OLTP and OLAP difference
- Ans.
OLTP is for transaction processing, OLAP is for analytics and reporting.
OLTP stands for Online Transaction Processing, used for real-time transaction processing.
OLAP stands for Online Analytical Processing, used for complex queries and data analysis.
OLTP databases are normalized, while OLAP databases are denormalized for faster query performance.
OLTP systems are optimized for write operations, while OLAP systems are op...
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