Bit not null sql server

Alexey Varentsov Alexey Varentsov 1 1 silver badge 2 2 bronze badges. The OP mentions that a default was specified but "didn't work". Alexey Varentsov I did that in managment studio but it still reverts to null on new records. Pawel Czapski Pawel Czapski 1, 2 2 gold badges 15 15 silver badges 24 24 bronze badges. It wont let me assign my own value. Setting default vaule will not change existing rows value, it will assign default value only to new rows.

For existing values you need to do update. See my edited answer. Are you just talking about the inline table editor in SSMS? If so, then simply ignore the field in question. Once you actually insert the row it'll get the default value.

Only after you add the record it alters them to desired value and then posts. My program picks up the existing value before post which reads null of course. Then I encounter conversion error. How can you move to the new row in managment studio so you can already see the default value displayed?

Then the problem is with your application logic. Pick a time when you can add the column in the way Gail showed, maybe as part of a scheduled reboot or other downtime, or look at Chris' method where the column is added as NULL-able but chunk the update to fill in the column with 0's into small batches of 10K rows or so at a time so you do not block too many users while you backfill the data.

If you cannot get out of that then consider leaving it as a NULL-able column. Looks like it will have to be nullable, update to frontend code to handle this and apply the default in batches. You could also make the "real" column name a computed column that the developers use, and based off a "dummy name" column so they don't have to deal with NULLs. You can later rename the columns once all defaults are in place so the app code doesn't have to change.

You must be logged in to reply to this topic. Login to reply. March 14, at am Only one expression can be of either binary or varbinary data type in a bitwise operation. If expression has a value of 0, the bits in the result set are set to 1; otherwise, the bit in the result is cleared to a value of 0.

In other words, ones are changed to zeros and zeros are changed to ones. When you perform any kind of bitwise operation, the storage length of the expression used in the bitwise operation is important. We recommend that you use this same number of bytes when storing values. For example, storing the decimal value of 5 as a tinyint , smallint , or int produces a value stored with different numbers of bytes: tinyint stores data using 1 byte; smallint stores data using 2 bytes, and int stores data using 4 bytes.

Viewed 9k times. I have made the following query to select a record that isn't 0. Improve this question. Pauwelyn H. Pauwelyn 4 4 gold badges 15 15 silver badges 35 35 bronze badges.

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