User Defined Functions Originally, SQL intended to be a “pure” declarative language. It had some built-in functions, but soon it was discovered that introducing User Defined Functions (UDF) makes SQL engine extensible. Today, UDF is arguably one of the most abused features. In the industry, I have seen UDF with 200 parameters wrapping a trivial insert statement, UDF used for query purposes, etc. Compare it to the integer generator UDF from chapter 2, which was written once only, and which is intended to be used in numerous applications. - Study24x7
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trilok sharma
27 Apr 2019 11:48 AM study24x7 study24x7

User Defined Functions Originally, SQL intended to be a “pure” declarative language. It had some built-in functions, but soon it was discovered that introducing User Defined Functions (UDF) makes SQL engine extensible. Today, UDF is arguably one of the most abused features. I...

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