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Hitachi Senior Database Developer Interview Questions and Answers
Hitachi Senior Database Developer Interview Experiences
1 interview found
Dipender Sharma
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(3 Questions)
- Q1. Difference between deadlock blocking and questions related to deadlock and blocking
- Q2. What are Isolation levels and which is default one and how to specify different isolation from default one.
- Ans.
Isolation levels determine the level of visibility of changes made by other transactions.
Isolation levels include Read Uncommitted, Read Committed, Repeatable Read, and Serializable.
The default isolation level in most databases is Read Committed.
To specify a different isolation level, you can use SQL statements like SET TRANSACTION ISOLATION LEVEL in SQL Server or SET TRANSACTION in Oracle.
- Q3. Their were many other question related to performance tunning and indexes.
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pawan gupta
30 question of c code snippet 5 question of aptitude and 2 coding question
(2 Questions)
- Q1. Storage class in c
- Ans.
Storage classes in C define the scope and lifetime of variables.
There are 4 storage classes in C: auto, register, static, and extern.
Auto variables are stored in memory and have local scope.
Register variables are stored in CPU registers for faster access.
Static variables retain their value between function calls.
Extern variables are declared outside of any function and can be accessed by other files.
- Q2. Mutex and semaphore
Interview Preparation Tips
Skills evaluated in this interview
Vaishnavi Patil
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
This includes data interpretation,games,paragraph based question in verbal ability and the time is 30 mins
(2 Questions)
- Q1. What is linked list
- Q2. Project related
Interview Preparation Tips
Anonymous
As 1st round we had an aptitude test, which was not so hard. Also had two sets of coding questions at end of the test.
Interview Preparation Tips
I applied via campus placement at Karpagam College of Engineering, Coimbatore
They asked about corona
Selected
I applied via Naukri.com and was interviewed in Jul 2023. There were 4 interview rounds.
Fibonacci, Some sql queries, Aws concepts
(1 Question)
- Q1. Java core, springboot
(1 Question)
- Q1. Salary discussion
Coding related to Arrays and String
(1 Question)
- Q1. Explain your project?
Interview Preparation Tips
I applied via Company Website and was interviewed in Mar 2024. There were 2 interview rounds.
My gd topic was Big data
(3 Questions)
- Q1. Introduction, resume-based
- Q2. Projects and intenship
- Q3. Also study the core subjects like os
Interview Preparation Tips
I applied via campus placement at Marathwada Mitra Mandal's College of Engineering, Pune and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. Questions from resume and project
Selected
I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.
It was basically a aptitude round of 60 questions.
There were 3 coding questions.The question was based on Recursion and
Dynamic problem.
(1 Question)
- Q1. Self introduction What is polymorphism, oops concepts DBMS Indexes Normalisation Abstraction vs interface
Interview Preparation Tips
- Java
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Hitachi Senior Database Developer Interview Process
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