PCS-Global Software Developer Interview Questions and Answers for Freshers

Q1. About myself and my working skills and my previous experience
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Q2. What is expected salary
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Q3. Are willing to reloacte
Ans. 
Yes, I am willing to relocate for the right opportunity.
• I am open to relocating for a position that aligns with my career goals

• I have relocated for previous job opportunities and am comfortable with the process

• I understand the importance of being flexible and adaptable in the tech industry
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C#,Dotnet MVC,Webform ,sql server, write code ,they give task ask about and explanation.

Q1. Policy term and conditions and expectation
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Q2. Why i am leaving privious organization
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Q1. Question about multidimensional array and basic from core
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Q1. Talk about your past expeience
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Q1. Codes of countries cities
Ans. 
The codes of countries and cities are unique identifiers used for various purposes.
• Country codes are typically two-letter codes assigned by the International Organization for Standardization (ISO). For example, the country code for the United States is 'US'.

• City codes can vary depending on the system used. Some cities may have official codes assigned by government authorities, while others may use codes based on airpor...read more
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Round duration - 60 minutes
Round difficulty - Easy

This was a technical round with questions on DBMS.

Q1. What is data integrity?
Ans. 
Data integrity refers to the accuracy, consistency, and reliability of data throughout its lifecycle.
• Data integrity ensures that data is accurate and consistent in storage and transmission.

• It involves maintaining the quality and reliability of data over time.

• Methods for ensuring data integrity include checksums, encryption, and error detection codes.

• Examples of data integrity violations include data corruption, unautho
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Q2. What is a trigger in the context of a database management system?
Ans. 
A trigger is a special type of stored procedure that automatically executes when certain events occur in a database.
• Triggers are used to enforce business rules, maintain data integrity, and automate repetitive tasks.

• They can be triggered by INSERT, UPDATE, or DELETE operations on a table.

• Examples of triggers include auditing changes to a table, updating related tables when a record is modified, or enforcing referential
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Q3. What is the difference between clustered and non-clustered indexes in a database management system?
Ans. 
Clustered indexes physically order the data in the table, while non-clustered indexes do not.
• Clustered indexes determine the physical order of data in the table, while non-clustered indexes do not.

• A table can have only one clustered index, but multiple non-clustered indexes.

• Clustered indexes are faster for retrieval of data, especially range queries, compared to non-clustered indexes.

• Non-clustered indexes are stored se...read more
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Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions on DBMS.

Q1. What is the difference between UNION and UNION ALL in SQL?
Ans. 
UNION combines and removes duplicates, UNION ALL combines without removing duplicates.
• UNION merges the result sets of two or more SELECT statements and removes duplicates.

• UNION ALL merges the result sets of two or more SELECT statements without removing duplicates.

• UNION is slower than UNION ALL as it involves removing duplicates.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column...read more
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Q2. What are the functions of a cursor in PL/SQL?
Ans. 
A cursor in PL/SQL is used to retrieve and process multiple rows of data one at a time.
• Allows iteration over a result set

• Retrieves data row by row

• Can be used to update or delete rows in a table

• Must be declared, opened, fetched, and closed
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Q3. Write a SQL query to fetch the nth highest salary from a table.
Ans. 
SQL query to fetch the nth highest salary from a table
• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to fetch the nth highest salary
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Round duration - 30 minutes
Round difficulty - Easy

This was a managerial round with typical behavioral problems.