What Is Data Type BigInt?


Larry Thompson

What Is Data Type BigInt?

When working with databases or programming languages, you often come across different data types. One such data type is BigInt. In this article, we will explore what BigInt is and how it differs from other numeric data types.

Overview of Numeric Data Types

Before diving into BigInt, let’s quickly recap some commonly used numeric data types:

  • Integers (Int): Integers are whole numbers without any decimal points. They can be either positive or negative.
  • Floating-Point Numbers (Float or Double): Floating-point numbers include decimal points and can represent a larger range of values compared to integers.
  • Decimal: The decimal data type is used to store decimal numbers with high precision and a fixed number of decimal places.

The Need for BigInt

In certain scenarios, the numeric data types mentioned above may not be sufficient to handle very large integers. This is where BigInt comes into play. BigInt is specifically designed to handle integers beyond the range of traditional integer data types.

The Range of BigInt

The range of values that can be stored in a BigInt varies depending on the programming language or database system being used. However, in general, a BigInt can store integers with a much larger range compared to regular integer data types.

In most programming languages, the range of a BigInt is typically at least -2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807).

Working with BigInt

When working with BigInt, it’s important to keep in mind that operations involving BigInt may be slower compared to regular integer operations. This is because the size and complexity of BigInt numbers require additional computational resources.

BigInt in Database Systems

BigInt is commonly used in database systems, especially when dealing with large datasets or when the need for precise integer calculations arises. It provides the flexibility to store and manipulate large integers without losing accuracy.


In summary, BigInt is a data type specifically designed to handle very large integers that fall outside the range of regular integer data types. It allows for accurate storage and manipulation of these numbers in programming languages and database systems. When working with BigInt, it’s important to consider the potential impact on performance due to its larger size and complexity.

If you encounter scenarios where regular integers are insufficient for your needs, consider using BigInt as a reliable alternative.

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