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Using Complex Data Types

In This Chapter

Collection Text Representation

Collection Binary Representation

Using a Collection Structure

Using a Collection Descriptor

Creating a Collection

Opening a Collection

Using mi_collection_open( )

Using mi_collection_open_with_options( )

Accessing Elements of a Collection

Positioning the Cursor

Inserting an Element

Fetching an Element

Updating a Collection

Deleting an Element

Determining the Cardinality of a Collection

Releasing Collection Resources

Closing a Collection

Freeing the Collection Structure

The listpos( ) UDR

C-Language Implementation

Sample listpos( ) Trace Output

Row-Type Text Representation

Row-Type Binary Representation

Using a Row Descriptor

Using a Row Structure

Creating a Row Type

Creating the Row Descriptor

Assigning the Field Values

Example: Creating a Row Type

Accessing a Row Type

Copying a Row Structure

Releasing Row Resources

Freeing a Row Structure

Freeing a Row Descriptor

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