A null value in a relational database is used when the value in a column is unknown or missing. A null is neither an empty string (for character or datetime data types) nor a zero value (for numeric ...
In contrast, a regular INSERT statement retains the null value instead of inserting a default value. The INSERT ... SELECT * FROM OPENROWSET(BULK...) statement provides the same basic behavior as ...
If you are unlucky enough to have the surname "Null", you basically don't exist, as far as some SQL servers are concerned iStock It is a troublesome process registering for an account with online ...
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