You can find lots of examples around:

https://www.google.com/search?q=scd+type+2+merge+sql

You cannot directly use SSIS data flow to drive a MERGE statement. The MERGE statement would have to be part of your control flow instead and you should use a...

SCD requires a Business Key in the source. In the target dimension table you can use an IDENTITY column for a surrogate key. You don't need to do anything in...

I think the topic has strayed from the original question so it may be worth making two points about customer identifiers. Firstly, IDENTITY is likely not very convenient as a...

It's very easy to find values that have the same checksums. Eg.: SELECT CHECKSUM('AB'),CHECKSUM('BR') returns 2159 for both values. This is the expected behaviour.

BOL says:

If at least one of the...

The original article is absurdly naive. Natural keys are all about data integrity. You can't sensibly ignore the integrity aspects and then assert that two different designs are possible alternatives...

Try this:

SELECT ticketid, MAX(statusno) AS statusno, MAX(status) AS status
FROM ticket
GROUP BY ticketid
HAVING MAX(statusno) = 2;

The presence of statusno and status in the same table looks like it...

Just posted a small but important correction

I think I would use a calendar table - a table with one row for each date. Join the calendar table to your check-in table like this:

SELECT...

DENY UPDATE (CreatedBy, CreatedDate, ModifiedBy, ModifiedDate) ON tbl TO xyz;

Where xyz is the user or role that has to be denied update permissions.

But I would agree with Jeff's suggestion because...

As Scott says, the result is highly unreliable and as far as I know, undocumented. This is actually a significant flaw with SQL Server's unconventional and non-standard method of doing...