What are the performance implications of using nested tables in a data warehouse? How do nested tables relate to data virtualization and federated query processing?

Feb 15, 2012 ... I now have modified the procedure to take a nested table as the input and I loop through the nested table and do all the inserts in a single procedure call. What is the point of having nested table instead of two separate tables? I think it is a waste of memory, data duplication and problems related to it. Jul 1, 2011 ... I have a plslq program that is basically filling up a nested table and at the end i want to retrieve all the item in the nested table via a refcursor. Mar 3, 2025 ... ... Oracle Database. Statements include queries, Data Manipulation ... NESTED TABLE, etc. [4]. If the JSON is an object, then a dict is ... May 7, 2012 ... I want to get all columns from emp and dept table. So i am using bulk collect into nested table concept. I have written function in three different ways. PUBLIC: Marker interface for Oracle PL/SQL Collections (Nested Tables and Varrays) ... Indicates if the instance represents a Nested Table (as opposed to Varray). Index-By Tables (Associative Arrays) · Nested Table Collections · Varrays Collections · Assignments and Equality Tests · Collection Methods · MULTISET Operators. AWS DMS supports the replication of Oracle tables containing columns that are nested tables or defined types. ... Supported Oracle nested table types as a source. May 21, 2020 ... I have a entity call 'Library' and one Nested Table call 'Room' this entity 'Room' which is is a Nested table from 'Library' is divided in two subclasses. Jan 14, 2012 ... Whilst you're never going to be able to rest your pint on one, a Nested Table in Oracle may be useful on occasion.