Postgresql create table example7/28/2023 The balance column is defined as NUMERIC(10, 2), which means it can store a number with up to 10 digits, 2 of which are after the decimal point. This is sufficient for storing unique account numbers. In this example, the account_number column is defined as an INTEGER, which means it can store a whole number between -2147483648 and +2147483647. Here’s an example of creating a table with an INTEGER column: SMALLINT : This is a 2-byte signed integer, with a range of -32768 to +32767. The most commonly used integer types are: PostgreSQL provides several data types for storing numeric data, including but not limited to integers, floating-point numbers, decimals, and serial numbers. By the end, you’ll be armed with the knowledge to make informed decisions when designing your database schema. We’ll include examples for each data type and real-world use cases. But with great power comes great responsibility, and in this case, that responsibility is choosing the right data type.įear not! In this article, we’ll explore the world of PostgreSQL data types and help you navigate the labyrinth of syntax and usage. PostgreSQL is like a Swiss Army Knife for data storage – it’s a popular open-source relational database management system (RDBMS) that can handle just about anything you throw at it.
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