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Question
What is bit datatype and what's the information that can be 
stored inside a bit column?
 Question Submitted By :: Swapna
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is bit datatype and what's the information that can be stored inside a bit column?
Answer
# 1
Bit datatype is used to store boolean information like 1 or 
0 (true or false). Untill SQL Server 6.5 bit datatype could 
hold either a 1 or 0 and there was no support for NULL. But 
from SQL Server 7.0 onwards, bit datatype can represent a 
third state, which is Null.
 
Is This Answer Correct ?    5 Yes 0 No
Swapna
 

 
 
 
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