在PL/SQL 中,Oracle 的 add_days 函数用于在给定的日期上加上指定的天数。其一般用法如下: SELECT add_days(SYSDATE, 7) FROM dual; 复制代码 上面的代码将会返回当前日期加上 7 天后的日期。 特别用法:在 PL/SQL 中,可以将 add_days 函数与其他日期函数结合使用,以实现一些特殊的功能。 例如,
This should add seven days to the “order_date” column in the SQL Server. It is good to keep in mind that this function is not supported in all SQL databases. Add Days to Date in MySQL For the sake of MySQL, we use the DATE_ADD() function which allows us to add days to a dat...
when the result is less than x, then base_days – count_so_far is the number of extra days we need to add to the holiday’s date to give us the answer. You’ll find this logic in the function below.
Oracle Database doesn't have a SQLBoolean data type. So is_working_day column stores Y/N, 1/0 or however you want to represent true/false in your database. You can then use it bypass non-working days as needed. This allows you to give control over what counts as a working ...