Caliber Technologies Interview Questions, Process, and Tips

About technical and programming language and SQL

Q1. About technical terms SQL and .net and jscript
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Q1. About our personal and professional questions and salary discussion
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Q1. About CSV and Company Details
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MCQ type. Candidate must score minimum of 60%.

Q1. What is a primary key?
Ans. 
A primary key is a unique identifier for a record in a database table.
• It must be unique for each record in the table

• It cannot be null or empty

• It is used to establish relationships between tables

• Examples: social security number, email address, student ID
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Q2. What is a foreign key?
Ans. 
A foreign key is a column or set of columns in a table that refers to the primary key of another table.
• It establishes a relationship between two tables.

• It ensures referential integrity.

• It can be used to join tables in a query.

• Example: CustomerID in Orders table refers to the CustomerID in Customers table.
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Q3. What is a unique key?
Ans. 
A unique key is a field or combination of fields that uniquely identifies a record in a database table.
• A unique key ensures that no two records in a table have the same values for the key fields.

• It can be a single field or a combination of fields.

• It is used to enforce data integrity and to facilitate efficient data retrieval.

• Examples include primary keys, candidate keys, and alternate keys.
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Q4. What is the difference between class and object?
Ans. 
A class is a blueprint or template for creating objects, while an object is an instance of a class.
• A class defines the properties and methods that an object will have.

• An object is created from a class using the 'new' keyword.

• Multiple objects can be created from a single class.

• Objects can have different values for their properties, while the class defines the structure.

• Classes can inherit properties and methods from oth
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Q5. What is inheritance?
Ans. 
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
• Inheritance allows code reusability and saves time and effort in coding.

• The existing class is called the parent or base class, and the new class is called the child or derived class.

• The child class inherits all the properties and methods of the parent class and can also add its own unique...read more
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Q1. What is your goal? Where you want to see your self after 5years?
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Q2. Why you want to join with us?
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