Check if values has changes using SQL Server Trigger | SQL Server Check if values has changed

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In this SQL Server tutorial, we will understand how to check if the value has changed using the SQL Server trigger. Here, I have shown how to create a trigger in an SQL server that will check if the column value has been changed or not.
Additionally, we have covered 3 different methods in SQL Server for this particular task using examples.
Here is the list of queries that we have covered
1. How to use the UPADTE() method in sql server trigger to check if value has changed.
2. How to use the COUMNS_UPDATED() method in sql server trigger to check if value has changed.
3. How to use the INSERTED & DELETED() method in sql server trigger to check if value has changed.
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