What is the complete specification of dayOfWeek?

1. What is DayOfWeek?
2. How to use DayOfWeek in c#?
3. How does DayOfWeek compare to Java?
4. How do I use DayOfWeek in SQL?
5. What is enum in C#?
6. How do I get the current week number in C#?
7. How do I get DayOfWeek in Java?
8. What is enum variable?
9. What is Calendar class in Java?
10. How do I get Saturday and Sunday in SQL?
11. What is SQL Dow?
12. What is DW in Datepart in SQL Server?

What is DayOfWeek?

DayOfWeek is an enum representing the 7 days of the week - Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. ... The int value follows the ISO-8601 standard, from 1 (Monday) to 7 (Sunday). It is recommended that applications use the enum rather than the int value to ensure code clarity.

How to use DayOfWeek in c#?

DayOfWeek = DayOfWeek. Thursday) Console. WriteLine("The day of the week for 0:d is 1.", dt, dt. DayOfWeek) End Sub End Class ' 'This example produces the following results: ' 'Is Thursday the day of the week for 5/1/2003?: True 'The day of the week for 5/1/2003 is Thursday.

How does DayOfWeek compare to Java?

Your class should implement Comparable so you can sort your objects by their natural order. In your compareTo method compare day of week first, then time if day is the same. DayOfWeek are sorted naturally from Monday to Sunday; if your week begins on another day than Monday, you will need to handle it specially.

How do I use DayOfWeek in SQL?

SQL Server has a couple of inbuilt functions to get the day of week from the given date. 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.

What is enum in C#?

In C#, an enum (or enumeration type) is used to assign constant names to a group of numeric integer values. It makes constant values more readable, for example, WeekDays. ... An enum is defined using the enum keyword, directly inside a namespace, class, or structure.

How do I get the current week number in C#?

First of all, ((int)date. DayOfWeek + 6) % 7) determines the weekday number, 0=monday, 6=sunday. date. AddDays(-((int)date.

How do I get DayOfWeek in Java?

The getValue() method of java. time. DayOfWeek is an in-built function in Java which return the integer value assigned to the 7 days of the week, i.e, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The int value follows the ISO-8601 standard, from 1 (Monday) to 7 (Sunday).

What is enum variable?

An enum type is a special data type that enables for a variable to be a set of predefined constants. The variable must be equal to one of the values that have been predefined for it. ... Because they are constants, the names of an enum type's fields are in uppercase letters.

What is Calendar class in Java?

The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR , MONTH , DAY_OF_MONTH , HOUR , and so on, and for manipulating the calendar fields, such as getting the date of the next week.

How do I get Saturday and Sunday 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 SQL Dow?

Returns a numeric value (1 to 7) representing the day of the week for a specified date or datetime. Abbreviation for "Day of Week".

What is DW in Datepart in SQL Server?

the DATEPART. When Sunday is the first day of the week for the SQL Server, DATEPART(dw,<date>) will return 1 when the date is a Sunday and 7 when the date is a Saturday. (In Europe, where Monday is the first day of the week, DATEPART(dw,<date>) will return 1 when the date is a Monday and 7 when the date is a Sunday.)