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SMC Corporation Plsql Developer Interview Questions and Answers
SMC Corporation Plsql Developer Interview Experiences
1 interview found
Anonymous
I appeared for an interview before Apr 2022.
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2 Questions
- Q1. They have only one phone interview
- Q2. They asking about full sql and plsql
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Experience: Detailed description of explaination full topics
surbhi goyal
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. What is the difference between varchar and varchar2?
- Ans.
VARCHAR can store up to 2000 bytes while VARCHAR2 can store up to 4000 bytes.
VARCHAR can store variable-length character strings up to 2000 bytes.
VARCHAR2 can store variable-length character strings up to 4000 bytes.
VARCHAR will occupy space for NULL values while VARCHAR2 will not.
VARCHAR2 is more efficient in terms of storage and performance compared to VARCHAR.
- Q2. Explain composite indexes
- Ans.
Composite indexes are indexes that are created on multiple columns in a database table.
Composite indexes improve query performance for queries that involve multiple columns
They can be created using the CREATE INDEX statement in SQL
Example: CREATE INDEX idx_name ON table_name (column1, column2)
DEEPAK BISHOYI
I applied via Approached by Company and was interviewed in Feb 2024. There were 2 interview rounds.
I appeared for an interview in Nov 2024.
I applied via Naukri.com and was interviewed in Sep 2022. There were 3 interview rounds.
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I appeared for an interview in Oct 2022.
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I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
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Selected
I applied via Approached by Company and was interviewed before Dec 2023. There were 3 interview rounds.
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