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What is the use of MSDTC in SQL Server?
A requirement of MSDTC in SQL Server for distributed transactions. Microsoft Distributed Transaction Coordinator (popularly known as MSDTC) is a coordinator to handle the distributed transactions. A distribution transaction involves two or more databases in a single transaction.
How do you handle distributed transactions in Microservices?
Maintain data consistency across multiple microservices without tight coupling. Perform better compared to 2PC. Offer no single point of failure. Keep the overall state of the transaction eventually consistent.
Do you use distributed transactions in your SQL queries?
You might think that I do not use the distributed transactions in your SQL queries because you do not specify BEGIN DISTRIBUTED TRANSACTION for your SQL Statements. SQL Server DTC for the distributed transactions for linked server, OPENROWSET, OPENQUERY, OPENDATASOURCE and RPC activities.
Why is using openquery on a local server bad?
OPENQUERY also requires the local user to have permissions to the target server, which is probably not what you want unless it’s an administrative script. You can’t expect every user of one database to have the same permissions to every other database.
How does openquery work in Azure SQL Server?
Applies to: SQL Server (all supported versions) Azure SQL Managed Instance Executes the specified pass-through query on the specified linked server. This server is an OLE DB data source. OPENQUERY can be referenced in the FROM clause of a query as if it were a table name.
Is it better to use openquery or dynamic SQL?
When you use OPENQUERY you take on all of the negative aspects of dynamic SQL, including less predictable plans and the server’s inability to accurately track dependencies. OPENQUERY also requires the local user to have permissions to the target server, which is probably not what you want unless it’s an administrative script.