CDA Campus Interview Questions and Answers

A project is a temporary endeavor with a specific goal, timeline, and budget.

• Projects have defined objectives and deliverables.

• They involve a team of people working together towards a common goal.

• Projects have a start and end date, and are typically constrained by budget and resources.

• Examples: Building a bridge, developing a new software application, organizing an event.

No, static methods cannot be overridden in Java.

• Static methods belong to the class itself, not to any specific instance of the class.

• In Java, static methods are resolved at compile time based on the reference type, not at runtime based on the object type.

• Subclasses can have static methods with the same signature as the superclass, but they are not considered overriding.

• Example: class A { static void method() {} } class...read more

RDBMS stands for Relational Database Management System, which is a type of database management system that stores data in a structured format using rows and columns.

• RDBMS organizes data into tables with rows and columns.

• It uses SQL (Structured Query Language) for querying and managing data.

• It enforces relationships between tables using foreign keys.

• Examples of RDBMS include MySQL, Oracle, SQL Server, and PostgreSQL.

A foreign key is a column or a group of columns in a database table that uniquely identifies a row in another table.

• Used to establish a relationship between two tables in a database

• Enforces referential integrity

• Helps maintain data consistency

• Prevents actions that would destroy links between tables