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OLAP is for analyzing data, OLTP is for transaction processing.
OLAP stands for Online Analytical Processing, used for complex queries and data analysis.
OLTP stands for Online Transaction Processing, used for routine transactions like insert, update, delete.
OLAP systems are designed for read-heavy workloads, while OLTP systems are designed for write-heavy workloads.
OLAP systems typically have a denormalized schema for f...
Star schema has a single centralized fact table with denormalized dimensions, while snowflake schema has normalized dimensions with multiple related tables.
Star schema is easier to understand and query due to denormalized structure.
Snowflake schema saves storage space by normalizing dimensions into separate tables.
Star schema is more suitable for data warehousing and reporting purposes.
Snowflake schema is more normaliz...
Abinito components are used in ETL processes for data integration and transformation.
Abinito components are used in ETL (Extract, Transform, Load) processes for data integration and transformation.
Some commonly used Abinito components include Input Table, Output Table, Join, Partition, Sort, Filter, and Lookup.
Abinito provides a graphical interface for designing ETL processes using these components.
Abinito components c...
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I applied via Naukri.com and was interviewed before Nov 2021. There were 2 interview rounds.
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