Application Development Guide
User-Defined Functions (UDFs)
What are UDFs?
Why Use UDFs?
UDF Concepts
Implementing UDFs
Writing UDFs
Registering UDFs
Examples of Registering UDFs
Example: Exponentiation
Example: String Search
Example: BLOB String Search
Example: String Search over UDT
Example: External Function with UDT Parameter
Example: AVG over a UDT
Example: Counting
Example: Counting with an OLE automation object
Example: Table Function Returning Document IDs
Using UDFs
Referring to Functions
Examples of Function Invocations
Using Parameter Markers in Functions
Using Qualified Function Reference
Using Unqualified Function Reference
Summary of Function References
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