Jeff Moden

Forum Replies Created

Viewing 15 posts - 51,916 through 51,930 (of 59,091 total)

RE: Primary Key and Unique Key on a column

You don't need both... Primary Key is a unique index that doesn't allow nulls.
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 11, 2008 at 12:27 am

#787796
RE: how to choose composite index

Best thing to do is to look them up in Books Online. Bottom line is, if they work, then it's probably a good thing... if they don't work (as...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 11, 2008 at 12:07 am

#787793
RE: Turn off logging

My apologies... I just remembered something and I verified it in Books Online... you don't need to set Trunc. Log On Checkpoint because the SIMPLE recovery mode does it for...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 11, 2008 at 12:05 am

#787792
RE: Turn off logging

I have the auto shrink on. I
That's probably one of the worst things you can do... you are fragmenting the database and fragmenting the physical files on disk. Everytime...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 11:59 pm

#787790
RE: how to choose composite index

Not normally... of course, there are always exceptions.
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 11:54 pm

#787788
RE: Getting Started - What to Learn / Tools Advice

Most results will be taking a present value from a previous value grouped by a name and show the result eg.
Smith 1/1/2008 ...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 10:26 pm

#787769
RE: Change Control System Design

Yes... look for "Configuration Management".
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 10:11 pm

#787764
RE: getting into Data Warehousing

Create a datawarehouse environment on your development server? Buy a copy of SQL Server Developer's Edition and install on you home PC? Take a course?
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 10:08 pm

#787763
RE: Im having troubles with code for project Leap Years-help please

The definition of leap years changed many times and leap years didn't always exist. In fact, depending on which country you're talking about, leap year definitions were different for...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 10:00 pm

#787761
RE: Using VBScript to Automate Tasks

Heh.... Just like SQL allows itself to take any form... or Java... or...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 9:53 pm

#787756
RE: Turn off logging

Yes... there are... just setting recovery model to SIMPLE doesn't stop logging for loading of data. You have to use BCP or BULK INSERT or SELECT/INTO and your target...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 9:43 pm

#787755
RE: Help with Year calculations

Agreed... guess I need to wipe some of the egg off my face. DOB columns would be an appropriate place to use DATE only (although I don't know if...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 9:35 pm

#787750
RE: Cursor in SQl Server

Lynn Pettis (3/10/2008)
And it wasn't that I gave up too early; we had a workable solution, and there were many other things I needed to work on that were considered...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 9:23 pm

#787746
RE: Can a temporary table created with an execute statement survive that statement?

Giving away a fine "secret" here, but no one's ever heard of temporary stored procedures? Build it using dynamic SQL... execute it... it's all in the same scope that...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 8:42 pm

#787726
RE: Help with Year calculations

Jack Corbett (3/10/2008)
I like to use between when doing date ranges, I just think it is easier to read. I would use DateAdd(SS, -1, DateAdd(YY, 1, Convert(datetime, @year))) to...
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.
Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

March 10, 2008 at 8:35 pm

#787723

Viewing 15 posts - 51,916 through 51,930 (of 59,091 total)