dateadd関数を用いることで、すでにあるカラムに、時間や日数を加えたり減らすことができます。例えば日本はutc+9なので、標準時間から日本の時間にするには、dateaddを用いて日本時間に直す必要があります。またwhere条件にもdateaddを用いることができるため ...

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

Returns a new DT_DBTIMESTAMP value after adding a number that represents a date or time interval to the specified datepart in a date. The number parameter must evaluate to an integer, and the date ...

SQL> select dateadd(-55.499 second to timestamp '01.01.2000 00:00:55.499') from rdb$database; 2000-01-01 00:00:00.4990 SQL> select dateadd(-55.501 second to timestamp ...

A little while ago I was working with a date column in a Tabular model and wanted to create a calculated column that returned a date 100 days after the original date. Without thinking too much about ...