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The following list provides a quick overview of how dates are handled:
SQL Anywhere always returns correct values for any legal arithmetic and logical operations on dates, regardless of whether the calculated values span different centuries.
The internal storage of dates by SQL Anywhere always explicitly includes the century portion of a year value.
The operation of SQL Anywhere is unaffected by any return value, including the current date.
Date values can always be output in full century format.
How date and time of day are stored
Sending dates and times to the database
Retrieval of dates and times from the database
DATE data type
DATETIME data type
DATETIMEOFFSET data type
SMALLDATETIME data type
TIME data type
TIMESTAMP data type
TIMESTAMP WITH TIME ZONE data type
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