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Her skills include SQL infrastructure and database design, performance tuning, security, high availability, disaster recovery, very large databases, replication, T-SQL coding, DTS/SSIS packages, administrative and infrastructure tools development, reporting services and more.
Like a stored procedure, a trigger is a named PL/SQL unit that is stored in the database and can be invoked repeatedly.
I want to trigger a workflow only when a value is updated in a list item, but not everytime the item is changed.
For example I have a column for approve/not approve and I want that to be the trigger not the other values in the item.
A trigger is a special kind of stored procedure that automatically executes when an event occurs in the database server.
DML triggers execute when a user tries to modify data through a data manipulation language (DML) event.
Intro | Part 1 | Part 2 | Part 3 | Part 4 | Part 5 | Part 6 | Part 7 Problem: You already have a trigger on the table. You wonder if performance will improve if you add functionality to the existing trigger or maybe the best option is to create another trigger. In this expert-led tutorial, senior DBA and technical trainer Basit Farooq provides a step-by-step guide for using the SQL Server Import and Export Wizard to transfer data between SQL Server databases and Microsoft Excel worksheets.
If the same can be done in a single database call please mention.Otherwise, if you are not sure which solution is best in a specific case, just test it as I have demonstrated.Explore Microsoft SQL Server triggers ABOUT THE AUTHOR: Michelle Gutzait works as a team member of the SQL Server Database Experts at a worldwide company providing Remote Administration services for databases, operating systems, SANs and networks.Merge seems to be a good option as it is a single database call and would improve performance.The given merge does the following: 1) when not matched insert 2) when matched update For me what is required is 1) when no data insert 2) when matches do nothing 3) when not matches UPDATE would i be able to find out "when no data insert" using merge.