3
votes
1answer
84 views

Does MERGE updates when not needed?

In SQL Server 2012, Does a merge statement like this : WHEN MATCHED THEN update SET A.len = B.len updates a row even if A.len equals to B.len ? Or does the SQL SERVER knows to ignore this ...
1
vote
0answers
45 views

How to merge rows based on how much data they have?

I am cleaning data and I formed a table something like this: file | product | color | product_id --------------------------------------------- one.csv pipe blue null ...
1
vote
1answer
88 views

Merge Fields into one Row with a Query

I am working with Microsoft Office Professional Plus 2010. What I am trying to figure out is how to merge all characters for each DOMAIN field into one row, for example: Q01 ...