Data Economy Interview Questions, Process, and Tips

Questions related to database and object-oriented programming concepts.

• Joins are used to combine data from two or more tables based on a related column.

• Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

• OOPs pillars are Abstraction, Encapsulation, Inheritance, and Polymorphism.

An array is a collection of elements of the same data type stored in contiguous memory locations.

• Arrays can be one-dimensional or multi-dimensional

• Elements in an array can be accessed using their index

• Arrays can be initialized during declaration or later in the code

• Arrays can be passed as arguments to functions

• Common array operations include sorting and searching