In SQL, each column has a data type that defines the kind of data that a column can store. In this tutorial, you will learn about Data Types in SQL with the help of examples.

An SQL developer must decide what type of data that will be stored inside each column when creating a table. The data type is a guideline for SQL to understand what type of data is expected inside of each column, and it also identifies how SQL will interact with the stored data.

Jan 30, 2025 · In this article, we will learn a comprehensive overview of SQL Data Types, their significance, and practical examples for various real-world scenarios. We will cover different SQL Data Types like Numeric , Date and time , Character, etc.

In SQL Server Database, each column of a table, all the local variables, and parameters must have a data type. The SQL Server supports the following data types. Integer Data Types are allowed only to hold integer types of values and this data type can be applied on EmpId, ProductCode, BracnchCode columns, etc.

Mar 19, 2025 · SQL Data Types With Examples. SQL uses various data types for handling alphanumeric characters, numeric values and date and time values. Here are some of the main SQL data types to know and when to use them.

Summary: in this tutorial, you will learn about most commonly used SQL data types including character string data types, numeric data types, and date time data types. In a database, each column of a table has a specific data type.

Sep 18, 2024 · Data types tell the database how much space to allocate for a value and how to interpret the data. This becomes crucial when we need to perform operations on the data or maintain data integrity.

Explore the core SQL data types- Numeric, String, Date, Boolean, and Binary- with examples. Enhance your database performance and optimize storage efficiency now! Structure Query Language (SQL) data types are essential for defining the kind of …

Feb 27, 2025 · In this article, we’ll explore the most common SQL data types, covering the different categories with tips to help you choose the best fit for your database. We can broadly categorize data types in SQL into seven groups: Exact numeric: These store whole numbers and decimals with exact precision.

Jun 28, 2024 · Exact Numeric data types in SQL server with Examples: Query: Decimal (P,S) Here, Query: 2.31. SQL Approximate Numeric category includes floating point and real values. These datatypes in SQL are mostly used in scientific …