Scalar-valued Functions SQL Server scalar-valued function takes one or more parameters and returns a single value. The scalar functions help you simplify your code. For example, you may have a complex ...

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There are external scalar functions and external table functions and both are discussed in the SQL Reference. Assuming that you have already written a function that counts the number of words in a ...

Relational DBMSs allow users to extend the standard declarative SQL language surface using User Defined Functions (UDFs) that implement custom behavior. While UDFs offer many advantages, it is ...

A systematic theory is introduced for finding the four Hessians of complex-valued scalar functions with respect to a complex-valued matrix variable and the complex conjugate of this variable. It is ...

There is increasing demand to integrate big data analytic systems using SQL. Given the vast ecosystem of SQL applications, enabling SQL capabilities allows big data platforms to expose their analytic ...