Of course it must vs taking locks.

"and use snapshot isolation."  MEGA-HUGE overhead.  SI should only be used when...

"Switching to alphanumeric" from what?  Int, bigint?  If so, have you used negative numbers yet?  Typically the quick-and-dirty way to stretch values is to use the full range of negative numbers. ...

You can't use a "read-only connection" in/for a proc that does...

Of course it must vs taking locks.

"and use snapshot isolation."  MEGA-HUGE overhead.  SI should only be used when truly necessary.

You need to...

Yes, agree that it would benefit in the read loads. But we should also consider the overhead of CI on write operations. So if the database...

• This reply was modified 4 years, 2 months ago by ScottPletcher.

It really depends on whether you understand the consequences of NOLOCK.  It can result in a 'dirty read' if there are uncomitted transactions in the database that...

Yes, agree that it would benefit in the read loads. But we should also consider the overhead of CI on write operations. So if the database...

Yes, agree that it would benefit in the read loads. But we should also consider the overhead of CI on write operations. So if the database is read-intensive...

It really depends on whether you understand the consequences of NOLOCK.  It can result in a 'dirty read' if there are uncomitted transactions in the database that affect the...

Probably this?!:

;WITH Cte_Test_With_Row_Nums AS (
    SELECT *,
        ROW_NUMBER() OVER(PARTITION BY UserID, Schedule_Start_Date ORDER BY Start_Time) AS row_num
...

Once you assign an alias to a table, that alias is the only valid way to reference that table.  That's not a matter of preference or opinion.  It's...

You have to understand... I don't actually care what the question was.  This isn't stack overflow.  I was teaching about the proper forms and you don't need a FROM...

There is no need for the FROM clause in the first example.

I also prefer the second example because it's easy to change it to a SELECT to...

Once you assign an alias to a table, that alias is the only valid way to reference that table.  That's not a matter of preference or opinion.  It's a SQL...

There is no need for the FROM clause in the first example.

I also prefer the second example because it's easy to change it to a SELECT to see what...