Government of Maharashtra Project Trainee Interview Questions and Answers

Validations used in project

• Input validation to ensure correct data type and format

• Data validation to ensure data integrity and consistency

• Business rule validation to ensure compliance with requirements

• Authentication and authorization validation to ensure secure access

• Error handling and exception validation to ensure proper handling of errors

Stored procedures are precompiled SQL statements that can be saved and reused in a database.

• Stored procedures can improve performance by reducing network traffic and improving security.

• They can be used to encapsulate business logic and provide a consistent interface to the database.

• Parameters can be passed to stored procedures, allowing for dynamic queries.

• Examples of stored procedures include ones that retrieve data,

Views in SQL are virtual tables that are based on the result of an SQL statement.

• Views are created using the CREATE VIEW statement.

• They can be used to simplify complex queries.

• They can also be used to restrict access to sensitive data.

• Views are updated automatically when the underlying tables are updated.

• They can be used to join multiple tables into a single view.

Java is platform independent due to its bytecode and JVM.

• Java code is compiled into bytecode which is platform-independent.

• JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.

• JVM acts as an abstraction layer between the Java code and the underlying hardware.

• This allows Java programs to run on any platform that has a JVM installed.

• For example, a Java program written on a Windows machine ca...read more