The volume of data retained, managed, and accessed today is unprecedented. Businesses expect the IT department to keep data online and accessible indefinitely, putting intense pressure on the databases required to store and manage it. To meet today’s needs; we need to replace outdated and inefficient legacy processes with new, more agile techniques. SQL Server Replication is one of the techniques to accommodate such demands.
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In most cases, an organization can either use the existing out-of-the-box database replication features offered by their database software provider or invest in custom solutions to execute and manage database replication processes. The latter option sometimes allows greater flexibility to create data replicas across multiple types on multiple platforms.
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Bringing impactful analysis into a data always comes with challenges. In many cases, we rely on automated tools and techniques to overcome many of these challenges.
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In this article, you’ll learn how to setup a simple, custom distributed database replication system.
In general, a typical setup of transactional replication model of a central publisher with multiple subscribers includes the creation of a replica database(s) which may serve multiple purposes including:
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This article discusses the challenges of meeting the availability, and performance requirements of high ended transactional replication environments. In addition, you’ll learn a new innovative approach that can be used to add/drop articles from an existing replication environment while maintaining replication system up and running.
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In the article How to setup SQL Server database replication for reporting Server we discussed all about setting up a simple SQL Server transactional replication environment. In this article, we’ll simulate a more robust system that replicates faster and includes both DDL and DML statements. We’ll walk-through the steps to setup a dynamic transactional replication.
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In this article, you’ll see how to simulate production loads on a test server with a “record and replay” type situation using the transaction log, batch scripting, PowerShell and a SQL Server agent job.
We’ll be walking through the scenario in the following steps
In this article, we’ll discuss the purpose of database replication and show how you can implement Replication using ApexSQL Log, a SQL Server transaction log reader.
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Data replication has been around for many decades. There are two primary types of data replication, logical and physical. This article covers a high-level view of logical replication, the differences between logical and physical replication, and the specifics of SQL Server transactional replication.
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If you have an Azure SQL Database, it is possible to replicate the data in multiple locations. In this new chapter, we will explain how to do it. This article has 3 sections:
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From time to time, I’ve run into replication issues in inherited environments that I did not architect and some of these environments experienced errors in replication because of how it was constructed from the beginning. In this tip, we look at some of the basics in replication architecture and then at solving some of these problems. Some of the replication issues I’ve seen are caused by misunderstanding what is impossible and possible with replication.
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Nowadays many customers are spread globally and need to manage the requirement for users to connect from/to any location, perform an activity (insert, update, delete), and the databases should be kept synchronized across multiple sites.
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If an environment chooses to use snapshot or transactional replication, one useful exercise is to ask the technical end user (or client) what they think replication does. If you have access to a white board, you can even ask them to demonstrate what they think replication will do for their data. Generally, these technical end users will plot something similar to the below image, where we see a table with data being copied to another table with data.
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SQL Server replication is a relatively old high-availability solution part of the Microsoft world. In fact, there have not been any significant changes to this solution in the recent versions SQL versions, but it is still a widespread mechanism for distributing objects from one database to another and synchronize them. Replication is very useful when you have remote and mobile users accessing your data. Let’s cut to the chase and give you more details about our specific case. 🙂
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This article is for people who need to replicate the SQL Server Databases. SQL Server includes several types of replications to synchronize the databases across different SQL Servers.
Sometimes we need to replicate the data to have a Backup. Sometimes we need to synchronize Servers that are located in different cities or countries.
In this article, we will introduce you to the SQL Server Replication Theory and then we will show a step-by-step tutorial to replicate a Table using the Merge replication.
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