Aakash India Projects And Builders IT Manager Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. Why are you looking for a change?
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Q1. About process and total experience
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Online questions were based on scenarios to write SQL queries. Also got few questions on Python as well for which I had only limited knowledge.

Q1. I'm listing some of the questions here which the interviewers (2 panel resources) asked me regarding Informatica ETL, Oracle DB and I might have missed some of them. What types of indexes are used on Orac...read more
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Q2. What happens if Treat source row property as "Update" at session level but at target object "Delete" is checked?
Ans. 
The source row will be treated as an update, but the target object will be deleted.
• The session level property 'Treat source row as Update' will be applied to the source row.

• The target object will be deleted regardless of the update status of the source row.

• This can result in data loss if the source row contains important information.
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Q3. What are the different types of dimension tables?
Ans. 
Dimension tables are used in data warehousing to provide descriptive information about the data in fact tables.
• Slowly changing dimensions

• Junk dimensions

• Degenerate dimensions

• Role-playing dimensions

• Bridge dimensions
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Q4. What schema type was used in your previous project? And explain why it was used?
Ans. 
We used a relational schema in our previous project as it was suitable for the data structure and allowed for efficient querying.
• Relational schema was used as it allowed for efficient querying of data

• The data structure was suitable for a relational schema

• We were able to easily join tables to retrieve necessary data

• Examples include using SQL to query a database with multiple tables

• Normalization was used to reduce data r
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Q5. Difference between Joiner and Lookup transformations?
Ans. 
Joiner combines data from multiple sources based on a common key, while Lookup retrieves data from a reference table based on a matching key.
• Joiner is used to combine data from two or more sources based on a common key column.

• Lookup is used to retrieve data from a reference table based on a matching key column.

• Joiner can perform inner, outer, left, and right joins, while Lookup can only perform an inner join.

• Joiner can...read more
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Q6. Scenario: I have records in a flat file ending with ; character at the end of each them. How to load these records into DB based on this character? What property will be used in Informatica?
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Q7. How version control happened in your previous project?
Ans. 
We used Git for version control in our previous project.
• We created a Git repository for the project.

• All team members were added as collaborators to the repository.

• We followed the Git flow branching model.

• We used pull requests for code review and merging.

• We used tags to mark important releases.

• We regularly pushed our changes to the remote repository.

• We used Git commands like commit, push, pull, merge, and rebase.

• We used...read more
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Q8. Which SCD type you worked on before and explain on that?
Ans. 
I have worked on SCD Type 2 before.
• SCD Type 2 is used to track historical changes in data.

• It creates a new record for each change and maintains a history of changes.

• It includes start and end dates for each record.

• Example: Tracking changes in employee salary over time.
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Q1. This round was taken by the project manager on a phone call. He asked me few basic fundamental questions related to my skills and the things which I worked on in my previous project. He also told me about ...read more
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Q1. Just F2F discussion with HR finalising on the compensation structure, learning opportunities and the organisational benefits as an employee.
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