2004-09-15
1,981 reads
Replication
2004-11-05 (first published: 2004-08-08)
1,699 reads
Find Database Schema and Objects Changes
This procedure will execute, taking two parameters, (the 2 db names, and will then list out the major object and schema changes for you. It is pretty sraight forward and suggestions are appreciated. It's a good utility for a DBA to track changes after upgrades, etc.. Each portion is easily convertable to a stand alone […]
2004-08-02 (first published: 2004-07-16)
1,107 reads
Log Shipping vs. Replication
SQL Server high availability. Log shipping or replication, clustering or some other solution. It's a challenge and as companies grow more dependent on their databases, it's one that more and more DBAs face everyday. Paul Ibison has taken a look at how log shipping and replication can be compared in the quest for high availability.
2008-06-27 (first published: 2004-06-17)
66,367 reads
Script to automatically restore needed log-backups
Given a backupfile with a lot of sequential log-backups, this script automatically restores just those backups out of the file, which are necessary to bring the database up to a given timelag relating to the original database.Params are path to backupfile, name of the db to restore to, timelag in minutes.
2004-09-08 (first published: 2004-05-28)
1,643 reads
Script to transfer logins to second server
Modification of DR_Script_Logins.sql by Bruce Canady.Puts out a script to add new logins or change the password of existing logins.I insert the output into a table in my production-db. insert database.dbo.login_table exec master.dbo.dr_script_loginsThat way its backed up with the data, and the logins can be restored anywhere by the script i added at the […]
2004-09-03 (first published: 2004-05-26)
2,532 reads
Replication Gotcha - Columns with Defaults
Some days the simplest things go wrong. On this particular day Andy tried to remove a column that was part of an article in a transactional publication, wound up in an inconsistent state that required a snapshot to fix. Deeper investigation reveals the cause and a work around.
2004-05-25
7,545 reads
Find Replicated columns of certain data types
Script to look at all articles in all publications in a DB to find replicated columns of certain data types. I used this to find BLOB columns that we wanted to remove from the articles.
2004-08-09 (first published: 2004-02-19)
460 reads
Snapshot Replication for the Beginner - Part 2
This article covers how to build the snapshot subscription without getting bogged down in too many low level details. You'll learn enough here to get started experimenting and get results. Depending on comments from you, we may ask Andy to move on to transactional replication or to dig deeper into snapshot options. Tell us what you think!
2004-02-04
7,742 reads
2004-01-12
1,998 reads
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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; goThen, 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