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How do I create a wide table in SQL Server?
A wide table is a table that uses column sets and sparse columns. It still follows the same width restrictions per row (8019 bytes) – so you’d typically only use it when your columns are mostly all nulls. “To create or change a table into a wide table, you add a column set to the table definition.”
How replication works in MS SQL Server?
Replication is a set of technologies for copying and distributing data and database objects from one database to another and then synchronizing between databases to maintain consistency. Merge replication is primarily designed for mobile applications or distributed server applications that have possible data conflicts.
Can a table have more than one primary key?
Each table can only have one primary key. Access can automatically create a primary key field for you when you create a table, or you can specify the fields that you want to use as the primary key. This article explains how and why to use primary keys. To set a table’s primary key, open the table in Design view.
When do you need replication in SQL Server?
By: Rajendra Gupta | Updated: 2015-10-27 | Comments (1) | Related: More > Replication SQL Server replication is great to move data from one database to another, but sometimes there is a need to replicate tables with the same names as existing tables.
How does merge replication work in SQL Server?
When the network connection is established between both database servers, merge replication agents detect changes made on both databases and modify databases to synchronize and update their state. Merge replication is similar to transactional replication, but data is replicated from the Publisher to the Subscriber and inversely.
How can I replicate some of those tables via linked server?
I have access to the Database #1 via Linked Server but I need to replicate some tables in realtime; I tried using the Replication option in the Object Explorer, but it does not allow me to do anything with the Linked Server. How can I replicate some of those tables via Linked Server?
How is peer to peer replication used in SQL Server?
Peer-to-peer replication can help scale out an application that uses a database. The main working principle is based on transactional replication. Below you can see how MS SQL Server peer-to-peer replication can be used between database servers that are distributed across the globe.