The CONVERT() function converts a value (of any type) into a specified datatype. Tip: Also look at the CAST() function. Syntax

May 25, 2021 · In this article we look at how to use the CAST function to change the data type for some data as well as compare CAST, CONVERT and PARSE functions.

Sep 16, 2021 · Learn how to convert SQL Server data to different data types such as string, date, integer and numeric using the CAST and CONVERT functions.

Apr 3, 2025 · Learn how to convert data types in SQL using CAST, CONVERT, and best practices. Optimize performance and avoid common pitfalls with our expert guide.

Mar 31, 2025 · The value you want to convert. target_data_type : The desired data type to convert the expression into. length (optional) Specifies the length for CHAR, VARCHAR, NCHAR, or NVARCHAR. SQL Server assigns a default length if omitted, which may cause unintended truncation when working with strings.

Jan 20, 2022 · The CONVERT function is a conversion function that allows you to both convert data between different datatypes and format the result at the same time. Eg. convert text input to a specific date format. It is important to note that the CONVERT function is specific to SQL Server and is not part of the ANSI standard.

Nov 16, 2018 · Sometimes we need to convert data between different SQL data types. In addition to working with data, there are some built-in functions can be used to convert the data. So let’s take a closer look at the SQL conversion functions SQL CAST and SQL CONVERT in detail.

Dec 7, 2020 · The CONVERT () function in SQL server is used to convert a value of one type to another type. Syntax : Parameters used : It provides the length of the target_type. Length is not mandatory. Default length is set to 30. expression is anything that will be converted.

In this tutorial, we will explore the SQL CONVERT function, its syntax, and practical examples demonstrating how to use it effectively. The basic syntax of the CONVERT function is: Parameters: data_type (length): The target data type to which the expression is converted. expression: The value or column that needs to be converted.

We can use the SQL CAST function and SQL Server CONVERT () function to modify data types such as INT to VARCHAR, VARCHAR to INT, etc..