How to format date and time in Delphi?

The character used to separate display date fields Converts TDateTime date and time values to a string Rich formatting of a TDateTime variable into a string Long version of the date to string format An array of days of the week names, starting 1 = Sunday An array of days of the month names, starting 1 = January

How to calculate the precision of a Delphi tdatetime?

A Delphi TDateTime is actually an 8-byte floating point Double, with zero being 12/31/1899 12:00:00 am. We can figure out the precision of a TDateTime by incrementing the floating point datetime by the smallest quantum possible:

How to include milliseconds in date and time strings?

The default date and time formatting methods, such as DateTime.ToString (), include the hours, minutes, and seconds of a time value but exclude its milliseconds component. This topic shows how to include a date and time’s millisecond component in formatted date and time strings.

What are specifiers in date time format string?

Date Time Format strings are composed of specifiers that represent values to be inserted into the formatted string. Some specifiers (such as “d”) simply format numbers or strings. Other specifiers (such as “/”) refer to locale-specific strings from global variables. In the following table, specifiers are given in lowercase.

As for the date and time formatting, the general format is: As soon as you construct a valid date time string for the SQL using the above general format and try it using any of Delphi’s dataset components as TADOQuery, you will receive the awful “Parameter object is improperly defined.

How to format a date in SQL Server?

Here, we are going to use the DATE and TIME functions that are available to format date and time in SQL Server to return the date in different formats. In this example, we are going to use the Sql Server Conversion Functions to format the date.

How to group by date and ignore time in SQL Server?

Assume that you have a Order table and you want to query the table to retreive the total orders made each day. You can do this by using the GROUP BY with the Datetime fields being type casted to date as shown below. How to Group By datetime and ignore time in SQL Server ?

What is the convert and format function in SQL?

For this demonstration, we are going to write different SQL Date format Queries using CONVERT, and FORMAT function. The CONVERT function provides different formatting styles to format date and time. ODBC canonical with milliseconds.