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Can a deleted table be referenced when testing an insert?
Although referencing the deleted table when testing an INSERT or the inserted table when testing a DELETE does not cause any errors, these trigger test tables do not contain any rows in these cases.
How can I insert values into a table?
But since you want to insert more than one record, you can use a SELECT FROM in your SQL statement. insert into table_name (col1,col2,….) values (select col1,col2,… FROM table_2 …) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid …
How does the inserted table work in SQL?
Each update on table XXX is actually a delete row X from XXX then an insert of row X in table XXX. So the inserted inside the trigger is a copy of what got inserted. You can do a lot with a trigger, but triggers are dangerous.
Is the table structure of inserted and Deleted tables the same?
That means these two tables can only be available as part of a trigger. If you try to access these tables outside of a trigger, then you will get an error. The table structure of both inserted and deleted tables will be exactly the same as the table structure of the table on which the trigger is created.
Can a insert query update a deleted record?
A potential problem with the two solutions offered is that, depending on how they are written, an update query may update zero records and an insert query may insert zero records. In these cases, the Inserted and Deleted recordsets will be empty.
Is the format of the inserted and Deleted tables the same?
The format of the inserted and deleted tables is the same as the format of the table on which the INSTEAD OF trigger is defined. Each column in the inserted and deleted tables maps directly to a column in the base table.
Can a deleted column be used in an INSERT statement?
DELETED cannot be used with the OUTPUT clause in the INSERT statement. INSERTED. Is a column prefix that specifies the value added by the insert or update operation. Columns prefixed with INSERTED reflect the value after the UPDATE, INSERT, or MERGE statement is completed but before triggers are executed.