Store multiple bit values in a single table column

Question

I need to store some sort of day-of-week scheduling in database, where I can schedule a record (say it represents a task) for a day or multiple days of the week. I need to h

Answer 1

From the title, I was led here with a situation of having existing bit fields in a table and needing to convert to a single integer field.

In following the example of days-of-week, let's say have 7 individual bit fields that you want to convert into a (bit-mask) integer field named Schedule:

UPDATE T
SET Schedule = Mon * POWER(2,0) +
               Tue * POWER(2,1) +
               Wed * POWER(2,2) +
               Thu * POWER(2,3) +
               Fri * POWER(2,4) +
               Sat * POWER(2,5) +
               Sun * POWER(2,6)