Dear Friends, I have hourly data with Date as "2008-11-30 00:00:00:000" format. One of the most frequently asked questions in SQL Server forums is how to format a datetime value or column into a specific date format. How to convert from string to datetime? SQL Server Date Formats. This function works almost the same as the CONVERT() function, except that the syntax is slightly different (and CAST() doesn’t accept the style argument).. La fonction SQL CONVERT(), dans les systèmes MySQL et SQL Server, permet de convertir une donnée d’un type en un autre, de façon semblable à CAST().La fonction permet par exemple de convertir une données de type FLOAT en INTEGER ou un DATE en DATETIME. This example shows how to use the CONVERT() function to convert strings in ISO date format to datetime values: Converting a string in ANSI/ISO and US date format to a datetime. I want to convert this in to YYYY-MM format and group it for some reports. Here's a summary of the different date formats that come standard in SQL Server as part of the CONVERT function. In this tutorial, you have learned how to use the CAST() and TO_DATE() functions to convert a string to a date in SQL. In this article, we learned how to do a SQL convert date in SQL Server. Notice that the date format must be corresponding to the date string as specified in the statement DD MON YYYY Check it out the Oracle TO_DATE() and PostgreSQL TO_DATE() functions for the details. Practical examples for T-SQL DATE / DATETIME functions. SQL Server 2008 and earlier used the CONVERT functions to handle date formatting. Common Questions about SQL convert date in SQL Server. In this tip, we look at how to use the FORMAT function for Date and Time formatting in SQL Server. So many queries deal with DATE and TIME information that it’s important to get to know the date tools. Execute the following T-SQL scripts in Microsoft SQL Server Management Studio (SSMS) Query Editor to demonstrate T-SQL CONVERT and CAST functions in transforming string SQL date formats, string time & string datetime data to datetime data type. We learned how to modify the data type in a table, how to use the CAST, CONVERT and FORMAT functions. In SQL Server, you can use the CAST() function to convert an expression of one data type to another. DATE and TIME values in PostgreSQL have a whole special set of functions and operators for their proper use. So if you need to convert a string to a date/time value, you can use the CONVERT() function or the CAST() function. Below we’ll cover and practice the main functions you’ll likely need. Note: The following link contains FAQ about functions and dates in SQL Server: FAQ about Dates in SQL Server Conclusions. Both CONVERT() and TRY_CONVERT() function can recognize ANSI/ISO and US formats with various delimiters by default so you don’t have to add the style parameter.