Replication

Technical Article

Drop and Add Foreign Keys

  • Script

Have you tried using DTS to load a database and those pesky foreign keys mess you up? This is actually two scripts, one to generate the SQL needed to drop all the Foreign Keys in a database and another to Add the Foreign Keys back when you are done. I've thrown in Disabling and Enabling […]

(9)

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2005-07-13 (first published: )

3,084 reads

Technical Article

Programming Replication from Heterogeneous Data Sources

  • Article

Microsoft® SQL Server™ enables third-party products to become Publishers within the SQL Server replication framework. The Replication Distributor Interface allows replication from heterogeneous databases that provide 32-bit OLE DB drivers to Subscribers running SQL Server 2000. Heterogeneous data sources include:

* Oracle databases

* DB2 databases

* Microsoft Access databases

* Other databases that comply with SQL Server ODBC or OLE DB Subscriber requirements

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2005-03-16

2,300 reads

Technical Article

Replicating Identity columns in SQL Server - Customizing replication

  • Article

When transactional replication is used for high availability purposes, such as if you want the applications to access the replicated server when the primary database server fails, one of the hurdles SQL Server database administrators face when configuring replication is tables with identity columns.

In this article, I am going to discuss how to customize the replication in order to make the subscription database look identical to the publishing database, so that when there is a failure in the primary server, it is simple to fail over to the subscription database.

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2005-03-07

2,807 reads

SQLServerCentral Article

Altering a column on a Replicated Table

  • Article

SQL Server 2000 replication is usually simple and easy to setup and work with. However there are many restrictions to ensure this, one of which is the alteration of a column which is engaged in replication. Author Paul Ibison brings us two options for altering columns.

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2007-11-30 (first published: )

45,697 reads

SQLServerCentral Article

Merge Replication - Manual Range Handling

  • Article

SQL Server 2000 replication is a great feature, but it can cause some headaches at times. Since the use of identities is something many people take advantage of, learning to handle these in a replication scenario is critical. Author Paul Ibison has done extensive work with replication and brings us two techniques to help manage the ranges of values.

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2005-01-13

12,814 reads

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Question of the Day

ORDER BY alias

There is a table tmp_tab:

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression:
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers