If you access a column from the table to be updated in an expression, assignments are generally evaluated from left to right.For multiple-table updates, there is no guarantee that assignments are carried out in any particular order. COLUMN2 IS NULLAn outerjoin is performed based on the equijoin condition.When we do an Insert operation on a table, we get a message which reads, “(n row(s) affected),” but if we want to see what data rows were inserted into a table, we can use an OUTPUT clause and a memory resident inserted table to return the results back to the screen in the same way that a select statement does.Let us insert a record, and use an OUTPUT clause to print the results on the screen.By commenting, you are accepting the IBM commenting guidelines and the DISQUS terms of service.
For information about the physical representation of a table, see Section 126.96.36.199, “Files Created by CREATE TABLE”.
In most cases, you do not have to specify any of them.
These options apply to all storage engines unless otherwise indicated.
(This is because the order in which the rows are updated determines which rows are ignored.) Such statements produce a warning in the error log when using statement-based mode and are written to the binary log using the row-based format when using mode.
(Bug #11758262, Bug #50439) See Section 188.8.131.52, “Determination of Safe and Unsafe Statements in Binary Logging”, for more information.