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27 Nov

You can also perform more complicated updates in Oracle.You may wish to update records in one table based on values in another table. You need not specify the partition name when updating values in a partitioned table.However in some cases specifying the partition name can be more efficient than a complicated Specify a complete or partial name of a database link to a remote database where the object is located.When used in the subquery of a DML statement, you can specify this clause in a subquery in the can be a subquery, a column, a function, or a collection constructor.Regardless of its form, it must return a collection value—that is, a value whose type is nested table or varray.

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There are 2 syntaxes for an update query in Oracle depending on whether you are performing a traditional update or updating one table with data from another table.

The returning clause retrieves the rows affected by a DML statement.

You can specify this clause for tables and materialized views and for views with a single base table.

When I first get to the page to edit the dropdown acts as if there is a null value in the supervisor_id field rather than binding the dropdown to the id in the superid field.

I am a noob at apex, I am sure I must have missed something simple, but not sure what???