Me postulé en línea. Acudí a una entrevista en Tata Consultancy Services en ene 2017
Entrevista
Informatica power center
...and asked scenario. Olap and oltp.. What are the differences between connected lookup and unconnected lookup?
Connected vs Unconnected Lookups
Connected Lookup Unconnected Lookup
1. It receives input from the pipeline & participates in the data flow. 1. It receives input from the result of an LKP.
2. It can use both, dynamic and static cache. 2. It can’t be dynamic.
3. It can return more than one column value i.e. output port. 3. It can return only one column value.
4. It caches all lookup columns. 4. It caches only the lookup output ports in the return port & lookup conditions.
5. It supports user-defined default values. 5. It doesn’t support user-defined default values.
Acudí a una entrevista en Tata Consultancy Services (Chennai)
Entrevista
They asked about your ETL tool, SQL, Linux.
1. What is target load order?
2. Write the difference between connected lookup and unconnected lookup.
3. How you identify duplicates and how to find latest duplicate
Preguntas de entrevista [1]
Pregunta 1
They asked about your ETL tool, SQL, Linux.
1. What is target load order?
2. Write the difference between connected lookup and unconnected lookup.
3. How you identify duplicates and how to find latest duplicate
Me postulé en línea. El proceso tomó 2 semanas. Acudí a una entrevista en Tata Consultancy Services (Mumbai) en sep 2024
Entrevista
1st Round was telephonic--> Asked basic about router ,lookup and joiner transformation,Lookup Caches,Difference between unconnected Lookup and connected Lookup.
2nd Round Virtual Technical Interview: How would get specific number record to target like 1st and 3rd.
SCD Types
Schema Change Handling
Aggregation
Working on performance tuning in Informatica Powercenter
Preguntas de entrevista [1]
Pregunta 1
How would get specific number record to target like 1st and 3rd.
SCD Types
Schema Change Handling
Aggregation
Working on performance tuning in Informatica Powercenter