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Ashok Blog for SQL Learners and Beginners and Experts

Saturday, 17 June 2017

How to Configure Transaction Replication with step by step Demo of Transaction Replication


Source: Publisher




Destination: Subscriber




Configure Distribution:


Here you can see Snapshot folder should be share other wise you will get error











You can see distribution database  created after configured Distribution


You can see the sample table as see below


you can see sample view,Stored Procedures as see below

Test login as show below


Configure Publication




In transaction Replication Primary Key is important on tables we cant replicate table without primary key


You can see employee table do not have primary key so it shows error mark as below


After we have added primary key into existing table as see below

Now you can see primary key added so red mark of error is hidden




Publisher Name as see below


We configured Publication


Publisher database info as see below on publisher 


Now we can see subscriber as see below


Configure Subscription:






We need to choose push/pull subscriptions type















table records are not created as see below



table info @ publisher 


Jobs info in Publisher as see below

Job info @ subscriber as see below

It shows error it causes data not be replicated on subscriber
error says some tables missing reference key


we can see subscriber view synchronization status


you can see job history as see below



we can also see through replication monitor and we can reinitialize subscription as see below

reinitialize  subscription




we need to drop some view/Sp which need reference












Now we need to start sync on subscriber immediately or we need to wait for schedule











now we can modify some records and see how it replicate


Now modified on Publisher


you can see modified records as see below publisher

still in subscriber it shows old records on subscriber



after log reader runs you can see 2 transactions 


you can see records reflected on subscriber




that is it 
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