Forum Replies Created

Viewing 15 posts - 2,911 through 2,925 (of 3,348 total)

  • RE: Query cost

    Paul White NZ (3/30/2010)


    Hugo Kornelis (3/30/2010)


    As far as I know, that was once the case. In SQL Server 7.0 or so.

    It's still in Itzik's Inside SQL Server 2008 T-SQL Querying...

  • RE: Query cost

    Paul White NZ (3/30/2010)


    Hugo Kornelis (1/27/2010)


    the strangely popular but really rather odd EXISTS 1 instead of EXISTS *...

    I too find it odd, and always use the star syntax, but it...

  • RE: Full backup Scenario

    Tom.Thomson (3/29/2010)


    (...)then it copies all the database pages from disc to the backup media

    As far as I know, the backup process copies pages from cache to the backup file, not...

  • RE: Full backup Scenario

    Festeron (3/29/2010)


    Tom.Thomson (3/20/2010)


    vk-kirov (3/20/2010)


    Tom.Thomson (3/19/2010)


    But a single select statement may write more pages than can be held in RAM and this means that dirty pages get to disc

    "Insert statement", I...

  • RE: What will be output?

    John Carlson-431129 (3/25/2010)


    vk-kirov (3/25/2010)


    Hugo Kornelis (3/25/2010)


    ' ' is converted to the value 0 (run [font="Courier New"]SELECT CAST(' ' AS int);[/font] if you don't believe me).

    This is very interesting because [font="Courier...

  • RE: What will be output?

    john.arnott (3/25/2010)


    But, then again, the implicit conversion features let us create little gems like this:

    Select 3*3e3+3e3/3ee3e,3e3e3e3e

    Try to parse that manually before you copy/paste to SSMS.

    My eyes! The goggles do nothing!

  • RE: What will be output?

    ziangij (3/24/2010)


    thanks :-)... its a good interview question.

    I would not be too happy with these things being asked in an interview. My answer would be that mixing data types like...

  • RE: What will be output?

    Good question, but unfortunately the explanation is not entirely correct. Especially this part is very misleading:

    Also the preceding space is not considered while performing the operation.

    Let's look in detail what...

  • RE: Full backup Scenario

    vogelz (3/16/2010)


    I'm not sure I understand the explanation though:

    Whenever a full backup is initiated it will place a pointer in the transaction log in order to understand from where the...

  • RE: Full backup Scenario

    Great question!

    One additional comment that was missing from the question and description, is how pending transactions are handled.

    IF the session inserting the 10000 rows does so within a transaction, and...

  • RE: Primary Keys

    Steve Jones - Editor (3/10/2010)


    sameerchachad 69959 (3/9/2010)


    I would just like to add a small point, whenever you create a Primary Key, by default its ALWAYS going to be Clustered. Unless...

  • RE: Primary Keys

    sameerchachad 69959 (3/9/2010)


    A Primary Key is always enforced by a clustered index at creation?

    Correct answer (SQL Server Central) : False

    I would just like to add a small point, whenever you...

  • RE: Concatenation Cursor

    I know the question is quite a few days already, but I just HAVE to reply. Hoping that everyone who has enthused about this method in this thread is still...

  • RE: Solving the "Running Total" & "Ordinal Rank" Problems (Rewritten)

    Paul White (2/4/2010)


    On a slightly different note, have your considered extending you set-based iteration method to implement other analytic functions like LEAD, LAG, or SUM() OVER (x PRECEDING) for example?

    No....

  • RE: Solving the "Running Total" & "Ordinal Rank" Problems (Rewritten)

    Hi Paul,

    Thanks for the clarification of your position. I'll clarify mine too.

    I, too, have an enormous respect for Jeff. I always read his articles here with great interest and I...

Viewing 15 posts - 2,911 through 2,925 (of 3,348 total)