Removing duplicates rows from a unique index SQL Server table You can use the index to classify the duplicate data in unique index tables then delete the duplicate records. First, we need to create a ...

How to: Delete Rows From the Database You can delete rows in a database by removing the corresponding [!INCLUDE vbtecdlinq] objects from their table-related collection. [!INCLUDE vbtecdlinq] ...

OK, that's all well and good, but I left another detail out. <BR><BR>The amount of rows I want to delete from the first table is 516 and each one of those is referenced several times in table2.

We can also add an attribute "read only" or "protect" to a data.table, and if the user had protected the data.table in that way, .:= would not work on it.