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Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.
Incremental load is used to minimize the amount of data that needs to be processed and loaded.
It involves identifying the changes in the source data and applying those changes to the target system.
Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.
For e...
Keep and join are both used in programming, but they have different meanings and purposes.
Keep is a method used to filter elements from a collection based on a condition.
Join is used to combine elements from two or more collections based on a common attribute.
Keep returns a new collection with only the elements that satisfy the condition.
Join combines elements from multiple collections into a single collection.
Keep is ...
A synthetic key is a composite key created when two or more tables have multiple common fields.
Synthetic keys occur when there is a many-to-many relationship between tables.
They can be removed by resolving the underlying data model issues.
One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.
Another approach is to concatenate the common fields to create a unique key.
S...
I applied via Walk-in and was interviewed in Dec 2024. There were 4 interview rounds.
Village Sanota, Narela, Delhi, 40
Please confirmation in Hindi
please help me please talk to me. urgent.call me
I applied via Naukri.com
3 core Java questions
BT Business interview questions for popular designations
I was interviewed in Jan 2025.
Get interview-ready with Top BT Business Interview Questions
Tracking area update is necessary to ensure seamless handover of mobile devices between different tracking areas in a cellular network.
Ensures continuous connectivity during movement of mobile devices
Optimizes network resources by updating location information
Prevents call drops during handover between tracking areas
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
Numerical ability, logical reasoning, verbal ability
I applied via Referral and was interviewed in Jul 2023. There were 2 interview rounds.
BT offers a wide range of products and services including broadband, TV, mobile, and IT solutions.
BT's products include broadband internet, TV services, mobile phone plans, and IT solutions for businesses.
Global Business Services in BT focuses on providing strategic support and solutions to help businesses operate more efficiently and effectively.
Operational work in BT involves day-to-day tasks and activities to ensure...
Reasoning, Maths, General Knowledge
The duration of BT Business interview process can vary, but typically it takes about less than 2 weeks to complete.
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