Microsoft sql server datetime

When the conversion is from smalldatetime , the hours and minutes are copied. The seconds and fractional seconds are set to 0. The following code shows the results of converting a smalldatetime value to a datetime value.

When the conversion is from datetimeoffset n , the date and time components are copied. The time zone is truncated. When the fractional precision of the datetimeoffset n value is greater than three digits, the value will be truncated. The following example shows the results of converting a datetimeoffset 4 value to a datetime value. When the conversion is from datetime2 n , the date and time are copied.

When the fractional precision of the datetime2 n value is greater than three digits, the value will be truncated. The following example shows the results of converting a datetime2 4 value to a datetime value. The following example compares the results of casting a string to each date and time data type.

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Try the following query: select convert varchar, getdate , ; go Friday, September 16, AM. Thanks for replying. Your reply pointed out my mistake -- I typed in the convert call as "convert datetime, MyDate, ". It should have been "convert varchar, MyDate, ". Thanks again, Richard. Saturday, September 17, AM. Conversions from string literals to date and time types are permitted if all parts of the strings are in valid formats.

Otherwise, a runtime error is raised. Implicit conversions or explicit conversions that do not specify a style, from date and time types to string literals will be in the default format of the current session.

The following table shows the rules for converting a string literal to the datetime2 data type. The following example compares the results of casting a string to each date and time data type.

Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? Note Under database compatibility level , implicit conversions from datetime to datetime2 data types show improved accuracy by accounting for the fractional milliseconds, resulting in different converted values, as seen in the example above.