When date is smalldatetime, DATENAME returns seconds as 00. © 2020 - TechFunda.com 16102020, SQL Server Table- Create, Read, Update, Delete (CRUD), Convert data type of SQL Server variables, Convert a column value from one data type to another. This statement has date part arguments for datepart, a time argument for date, and DATENAME returns 1900, January, 1, 1, Monday. While using W3Schools, you agree to have read and accepted our, Required. SELECT GETDATE () 'Today', DATENAME (weekday,GETDATE ()) 'Day Name' SELECT GetDate () 'Today', DATENAME (dw,GETDATE ()) 'Day Name'
To get the name of the day of week, you can use DATENAME function and to get the number of the day of week, you can use DATEPART function. datepart This example returns the date parts for the specified date. Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Parallel Data Warehouse. The example fails because the date part year is invalid for the time data type: In SQL Server 2019 (15.x), DATENAME implicitly casts string literals as a datetime2 type. Sometimes we need to get the day of week in name or number. The return value depends on SET DATEFORMAT if date is a string literal of some formats. The specific part of the date argument that DATENAME will return.
In other words, DATENAME does not support the format YDM when the date is passed as a string. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. See Configure the two digit year cutoff Server Configuration Option for information about two-digit years.
We can use DATENAME, DATEPART functions by passing respective parameters to return the day name of the week, day of the week and month names. If date is specified as a variable or table column, and the data type for that variable or column does not have the specified datepart, DATENAME will return error 9810. The DAYOFWEEK() function returns the weekday index for a given date (a number from 1 to 7). Use four-digit years to avoid ambiguity issues. The date to return the weekday index from. We can use DATENAME () function to get Day/Weekday name from Date in Sql Server, here we need specify datepart parameter of the DATENAME function as weekday or dw both will return the same result.
When the date parameter has a date data type argument, the return value depends on the setting specified by SET DATEFIRST. You must explicitly cast the string to a datetime or smalldatetime type to use the YDM format. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. DATENAME does not accept user-defined variable equivalents for the datepart arguments. Example To get the name of the day of week. If the data type of the date argument does not have the specified datepart, DATENAME will return the default for that datepart only if the date argument has a literal . datepartThe specific part of the date argument that DATENAME will return.
SQL Server has a couple of inbuilt functions to get the day of week from the given date. The return value depends on the language environment set by using SET LANGUAGE, and by the Configure the default language Server Configuration Option of the login.
The DAYOFWEEK() function returns the weekday index for a given date (a number from 1 to
Substitute a datepart value from the table for the datepart argument in the SELECT statement: SELECT DATENAME(datepart,'2007-10-30 12:15:32.1234567 +05:10'); Azure Synapse Analytics (SQL Data Warehouse) and Parallel Data Warehouse, Date and Time Data Types and Functions (Transact-SQL), Configure the two digit year cutoff Server Configuration Option, Configure the default language Server Configuration Option. If the datepart argument is TZoffset (tz) and the date argument has no time zone offset, DATEADD returns 0. We can use DATENAME, DATEPART functions by passing respective parameters to return the day name of the week, day of the week and month names. Use four-digit years to avoid ambiguity issues.
Return the weekday index for the current system date: If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: W3Schools is optimized for learning and training.
Above query will give the same result as the previous one. An expression that can resolve to one of the following data types: For date, DATENAME will accept a column expression, expression, string literal, or user-defined variable. All rights reserved. Using DATENAME function: 7). Following are valid parameters value that can be passed to DATEPART function. Following are valid parameters value that can be passed to DATEPART function. Notice that the same above result can be retrieved by passing abbreviations instead of full datepart parameter value.
For example, the default year-month-day for any date data type is 1900-01-01. In this example, variable @t has a time data type. This function returns a character string representing the specified datepart of the specified date.
5=Thursday, 6=Friday, 7=Saturday. SET DATEFORMAT does not change the return value when the date is a column expression of a date or time data type. Examples might be simplified to improve reading and learning. This table lists all valid datepart arguments.dateAn expression that can resolve to one of the following data types: 1. date 2. datetime 3. datetimeoffset 4. datetime2 5. smalldatetime 6. timeFor date, DATENAME will accept a column expression, expression, string literal, or user-defined variable. DAYOFWEEK(date) Note:1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thursday, 6=Friday, 7=Saturday. SELECT DATENAME(WEEKDAY, GETDATE()) as DayName, DATEPART(WEEKDAY, GETDATE()) as DayOfTheWeek, DATENAME(MONTH, GETDATE()) As MonthName. Note: 1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday,
This table lists all valid datepart arguments. Syntax. Sql server has a date function called DATENAME to get the name of the day or day of week Oracle day name or day of week function Mysql has a similar function called dayname() which is equivalent to datename in Microsoft SQL server See Date and Time Data Types and Functions (Transact-SQL) for an overview of all Transact-SQL date and time data types and functions.