Mindy Curnutt

Mindy Curnutt is an Integration Architect for Unisys (http://www.unisys.com)
working with Windows 2000 Data Center Server and SQL Server 2000. She has
worked with relational databases since 1995; SQL Server since version 6.5.
She has been involved in the development of manufacturing (MRP),
sales/accounting (ERP), customer relations (CRM), medicare billing,
equipment maintenance management, image/document tracking and development
process control systems. Mindy is a member of the North Texas SQL Server
User's Group (http://www.immedient.com/SQLUsersGroup/). She enjoys
developing databases, data driven webpages, playing guitar, singing,
gardening, rubber stamping and geneology.

Technical Article

Recompile Views/SPs from DOS from .SQL Files.

This script is very helpful for anyone trying to recreate particular SQL Server Database Versions for Testing.  It allows you to automatically recompile any stored procedures or views saved with drop, create and permission statements.  The scripts must all be sitting in one directory and end in the same extension.  I have found this very […]

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2002-02-25

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Question of the Day

The Read Committed Snapshot Isolation behaviour

I am currently working with Sql Server 2022 and AdventureWorks database. First of all, let's set the "Read Committed Snapshot" to ON:

use master;
go

alter database AdventureWorks set read_committed_snapshot on with no_wait;
go
Then, from Session 1, I execute the following code:
--Session 1
use AdventureWorks;
go

create table ##t1 (id int, f1 varchar(10));
go

insert into ##t1 values (1, 'A');
From another session, called Session 2, I open a transaction and execute the following update:
--Session 2
use AdventureWorks;
go

begin tran;
update ##t1 
set f1 = 'B'
where id = 1;
Now, going back to Session 1, what happens if I execute this statement?
--Session 1
select f1
from ##t1
where id = 1;
 

See possible answers