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SQL batch

How to (efficiently) delete millions of records in a SQL table

[Updated on 2024-06-30 based on feedback from comments] A while ago, I blogged about how to efficiently update millions of records in a SQL table, today I’d like to show you a simple trick to do the same when deleting millions of records in a SQL table. The idea

How to (efficiently) update millions of records in a SQL table

You need to update one or more columns in a table with millions of records with data from another table, what’s a good way of going this with low risk and in an optimized way? One of my favorite ways of dealing with millions of records in a table