Handling OLTP and OLAP Systems
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Welcome to NGTS
Handling OLTP and OLAP Systems
Understanding OLTP:
- OLTP systems are designed for transactional operations, typically involving high volumes of short online transactions (e.g., sales orders, ATM withdrawals).
- They prioritize quick response times, data integrity, and concurrency control.
- OLTP databases are normalized to reduce redundancy and optimize for transactional processing.
- Examples include databases used in banking systems, e-commerce platforms, and CRM systems.
Understanding OLAP:
- OLAP systems are designed for analytical operations, involving complex queries that aggregate, summarize, and analyze large volumes of data.
- They support decision-making processes by providing insights into historical and current data trends.
- OLAP databases are often denormalized to improve query performance, and they use multidimensional data models such as star or snowflake schemas.
- Examples include data warehouses used for business intelligence, data mining, and forecasting.
Strategies of Handling OLAP and OLTP System
- Database Design
- Indexing and Query Optimization
- Concurrency Control
- Hardware and Scalablity
- Data Loading and ETL Processes
- Security and Access Control
- Backup and Recovery
Welcome To NGTS
Database Administration
The NGTS a database administrator is someone responsible for creating and maintaining database servers and databases Database development involves gathering requirements, designing schemas, stored procedures, functions, and interoperability with front-end software, application servers, and middleware Database Administrator
Database Development
The NGTS database development is designing, creating a database or data model, and analyzing requirements and their intents as raw data. Database development aims to create a structure that will allow for the efficient storage and retrieval of data
What are the steps in Database Development
- Planning
- Requirement gathering
- Logical design
The NGTS database developers, also known as database designers or database programmers, are responsible for the design, programming and implementation of new databases, as well as modifying existing databases for platform updates and changes in user needs.
- Physical Design
- Conceptual Design
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- Hierarchical Databases. Developed in the 1960s, the hierarchical database looks similar to a family tree
- Relational Databases. Relational databases are a system designed in the 1970s
- Planning
- Requirement gathering
- Logical design