Introduction

Extending the Database Server

Using a User-Defined Routine

Running a User-Defined Routine

Developing a User-Defined Routine

Extending Data Types

Extending Operators and Built-In Functions

Creating User-Defined Casts

Creating User-Defined Aggregates

Creating an Opaque Data Type

Writing Support Functions

Extending an Operator Class

In This Chapter

Using Operator Classes

Extending an Existing Operator Class

Creating an Operator Class

Dropping an Operator Class

Managing a User-Defined Routine

Improving UDR Performance

Appendix. Accessibility

Notices

Index