- Description. In SQL Server (Transact-SQL), the DATENAME function returns a specified part of a given date, as a string value.
- Syntax. The time/date interval that you wish to retrieve from date. ...
- Note. The DATENAME function returns the result as a string value. ...
- Applies To
- Example. ...
How to get current datetime in SQL?
In SQL whenever we need to insert and fetching the Current date and time. So For finding to Current Date and Time in SQL have some Predefined function. We will Implement a few methods here. With the Help of the below function. GET DATE() : GETDATE() function is mostly used to find the current Date. It will return the DATETIME data type.
How to get month name from date in SQL Server?
SQL Server MONTH () - Get Month as Integer
- Parameters. The date parameter can be a string literal, a user-defined variable, or a table column.
- Return Value. Returns an integer that represents the month part of the specified date. ...
- Get Month as Integer. ...
- Get the Month Name from Date. ...
How to convert string to date in SQL?
Convert string to date using CAST () function. SQL provides a CAST () function that allows you to convert a string to a date. The following illustrates the syntax of the CAST () function: In this syntax, the string can be any DATE value that is convertible to a date. The CAST () function returns a DATE value if it successfully converts the ...
What does date mean in SQL?
date is a valid date and format specifies the output format for the date/time. The formats that can be used are: %a-Abbreviated weekday name (Sun-Sat) %b-Abbreviated month name (Jan-Dec) %c-Month, numeric (0-12) %D-Day of month with English suffix (0th, 1st, 2nd, 3rd) %d-Day of month, numeric (00-31) %e-Day of month, numeric (0-31)
What does Datename do in SQL?
The DATENAME() function returns a specified part of a date. This function returns the result as a string value.
What is the difference between Datename and Datepart in SQL?
The DATENAME() function returns the date part as a character string whereas the DATEPART() returns the date part as an integer.
How do I get a Datename?
Approach 1: Using DATENAME Function 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.
What is day of week in SQL?
The DAYOFWEEK function returns an integer, in the range of 1 to 7, that represents the day of the week, where 1 is Sunday and 7 is Saturday. The DAYOFWEEK function is similar to the DAYOFWEEK_ISO function. The schema is SYSIBM.
How do I extract a weekday from a date in SQL?
MySQL WEEKDAY() Function The WEEKDAY() function returns the weekday number for a given date. Note: 0 = Monday, 1 = Tuesday, 2 = Wednesday, 3 = Thursday, 4 = Friday, 5 = Saturday, 6 = Sunday.
What is Tzoffset in SQL?
For datetimeoffset and datetime2, tzoffset returns the time offset in minutes, where the offset for datetime2 is always 0 minutes. For data types that can implicitly convert to datetimeoffset or datetime2, DATEPART returns the time offset in minutes.
How can show day name in SQL?
Method 1: DateName() Function for Day Name DECLARE @DateVal DATE = '2020-07-27'; SELECT @DateVal As [Date], DATENAME(WEEKDAY, @DateVal) AS [Day Name];
How do I find weekends in SQL?
SQL SERVER – UDF – Get the Day of the Week Function The day of the week can be retrieved in SQL Server by using the DatePart function. The value returned by function is between 1 (Sunday) and 7 (Saturday). To convert this to a string representing the day of the week, use a CASE statement.
How do I check if a date is Monday in SQL?
Use the DATENAME() function and specify the datepart as weekday . select ID, Name, Salary, Date from dbo. yourTable where datename(weekday, Date) in ('Saturday', 'Sunday');
What is @@ Datefirst in SQL?
@@DATEFIRST (Transact-SQL) This function returns the current value of SET DATEFIRST, for a specific session. See Date and Time Data Types and Functions (Transact-SQL) for an overview of all Transact-SQL date and time data types and functions.
How do I get Sundays in SQL?
Option 1: Sunday as the First Day of the Week DATEADD(week, DATEDIFF(week, -1, RegistrationDate), -1) AS Sunday; The function DATEADD() takes three arguments: a datepart, a number, and a date.
How do I display weekly data in SQL?
ORDER BY DATEPART(week, RegistrationDate); As you can see, the DATEPART() function takes two arguments: datepart (i.e., the identifier of the desired part) and the date from which you extract the part. The DATEPART() function has two datepart arguments that will return week data: week (also abbreviated wk , ww ).
What is the difference between Current_timestamp and Getdate () in SSMS?
CURRENT_TIMESTAMP is an ANSI SQL function whereas GETDATE is the T-SQL version of that same function. One interesting thing to note however, is that CURRENT_TIMESTAMP is converted to GETDATE() when creating the object within SSMS. Both functions retrieve their value from the operating system in the same way.
How do I select month and year from date in SQL?
How to Get the Year and the Month From a Date in MySQLEXTRACT()YEAR()MONTH()MONTHNAME()DATE_FORMAT()
How do I get just the year from a date in SQL?
You can use year() function in sql to get the year from the specified date.
How do I get the current week Monday date in SQL?
----Today SELECT GETDATE() 'Today' ----Yesterday SELECT DATEADD(d,-1,GETDATE()) 'Yesterday' ----First Day of Current Week SELECT DATEADD(wk,DATEDIFF(wk,0,GETDATE()),0) 'First Day of Current Week' ----Last Day of Current Week SELECT DATEADD(wk,DATEDIFF(wk,0,GETDATE()),6) 'Last Day of Current Week' ----First Day of Last ...
What is input_date?
input_date is a literal date or an expression that can resolve to a TIME, DATE, SMALLDATETIME, DATETIME, DATETIME2, or DATETIMEOFFSET value.
What is the concatenation operator for datepart?
Because the DATEPART () function returns an integer, the expression evaluates to 2019 ( 2018 + 1 ). However, the DATENAME () function returns a character string, therefore, the + is the concatenation operator which results in '20181' ( 2018 + 1 ).
Is a date part an integer?
Note that DATENAME () is similar to the DATEPART () except for the return type. The DATENAME () function returns the date part as a character string whereas the DATEPART () returns the date part as an integer.
How many ways can you outline the DATENAME function?
We understand there are 4 different ways you can outline the <date value> of the DATENAME function. Here they are again:
What is a datenam function?
The DATENAME function is a system function in Microsoft SQL Server we can use to present meaningful date information to the user. We use this function to basically spell out a specific part of a date value.
What is the default value of a datepart?
For example, the default value of the SECOND datepart is 0. The default value of the DAY datepart is 1.
What is the abbreviation for month?
If we wanted to, we could have abbreviated the word MONTH to just MM, like this:
Does DATENAME give a character string?
When it comes to numeric values (like DAY, HOUR, or SECOND ), the DATENAME function will still give you a character string representation of the number.
Does Time data type support day datepart?
The TIME data type doesn’t support a DAY datepart. Why would it?
Does SQL look at orderdate?
SQL will look at each OrderDate value for each row, and give us the day of the week it’s on. Nice.
Syntax
datepart - It is the part of the date that we to get. It can be a year (yy, yyyy), quarter (qq, q), month (mm, m), dayofyear (dy, y), day (dd, d), week (wk, ww), weekday (dw, w), hour (hh), minute (mi, n), second (ss, s), millisecond (ms), microsecond (mcs), nanosecond (ns), TZoffset (tz), ISO_WEEK (ISOWK,ISOWW).
Conversion failed when converting date for DATENAME
A typical error is a conversion failure. The following code shows an example:
DATENAME with a Table Data
The following example shows the year, month and day of birthdates of the employee table.
What is a t-sql datenam?
In SQL Server, the T-SQL DATENAME () function returns a character string that represents the specified datepart of the specified date. For example, you can pass in 2021-01-07 and have SQL Server return only the month portion ( January ).
What is the return type for DATENAME?
The return type for DATENAME () is nvarchar.
Can you retrieve time parts from a date?
You can also retrieve the various time parts from the date.
Is datepart numeric or integer?
The results of DATENAME () will often resemble the results from DATEPART () (due to most date parts being numeric). However, DATEPART () returns an integer as opposed to a character string. Therefore DATEPART () will return months (and the weekday component) in numeric form (e.g. 1 instead of January ).
What is the datepart function in SQL Server?
When working with dates in SQL Server, sometimes you might find yourself reaching for the DATEPART () function, only to realise that what you really need is the DATENAME () function. Then there may be other situations where DATEPART () is actually preferable to DATENAME ().
What is the difference between datepart and datepart?
So that’s the difference. In both definitions, datepart is the part of the date you want (e.g. month), and date is the date you want the datepart returned from.
The Syntax of The DATENAME Function
The “Datepart” Values We Can Use in DATENAME
- There are several <datepart> values you can use as your first argument to DATENAME. Here is the full list, along with their abbreviations you could choose to use instead, pulled directly from the Microsoft documentation:
Examples of Using DATENAME
- We understand there are 4 different ways you can outline the <date value> of the DATENAMEfunction. Here they are again: 1. String literal, like ‘2021-04-15’ 2. Column name, like OrderDate 3. Variable name, like @newShipDate 4. Expression, like GETDATE() Let’s look at an example of each:
Tips, Tricks, and Links
- Here is a list of tips and tricks you should know when using the DATENAME system function: 1. What do you think will happen if the datepart you want doesn’t exist in the date value? Take this example: SELECTDATENAME(SECOND, '6/15/2021') AS'Value'SELECT DATENAME(SECOND, '6/15/2021') AS 'Value' Or this example: SELECTDATENAME(DAY,'09:34:57') AS'Value'SELECT DA…
Next Steps
- I’ve mentioned a couple times the importance of knowing the differences between all the character string data types we have available to us in Microsoft SQL Server. Take a look at my full tutorial to learn more: SQL Server character data types (and the differences between them) While we’re on the topic of data types, you may find yourself in a situation where you need to convert …