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

In This Chapter

Operators and Operator Functions

Built-In Functions

Built-In Functions That You Can Overload

Built-In Functions That You Cannot Overload

Overloading a Built-In Function

Creating User-Defined Casts

Creating User-Defined Aggregates

Creating an Opaque Data Type

Writing Support Functions

Extending an Operator Class

Managing a User-Defined Routine

Improving UDR Performance

Appendix. Accessibility

Notices

Index