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Programming PL/SQL
Querying Object Tables
Using Oracle Objects
Object Oriented Terms
Query Object Tables
Collections Varrays Oracle
Querying Nested Tables
Practical/SQL Examples
SQL Query Example
Querying Complex Object
Alternate Query Example
Object Relational Summary
Querying Related Tables
Understanding Related Object Tables
Analyzing Dangling References
Writing deref Queries
Querying Object Tables
Creating PL/SQL Block
Object Relational Conclusion
Querying Nested Tables
Flattening nested Table
Query Flattens Nested Table
Simple varray Query
Query to Flatten varray
Flatten varray - Exercise
Procedure retrieves Nested Table
Varrays Nested Table Conclusion
Object Table Modification
Modifying Object Tables
Insert into Table
SQL Insert Rows
SQL Update Object Table
Subquery in Update
Delete Rows from Table
DML Statements Conclusion
Modifying Nested Tables
Modifying nested Varrays
Insert Rows into Table
Varray insert Command
Updating nested Table Rows
Updating Varray Rows
Delete Nested varray Command
Delete Entire Array
Nested Tables Conclusion
Modifying LOBs
Updating within varray syntax
UPDATE <table_name> SET <varray_name> = <variable> WHERE <clause>;
Syntax for updating Varray
Location 1
The
UPDATE
statement with the table name
Location 2
The
SET
clause to update the value within a varray
Location 3
The
WHERE
clause to select a particular row of the object table