Abstract: Modern data management applications involve complex processing tasks over large volumes of data. Although this falls naturally within the scope of relational databases, many such tasks ...

Abstract: Queries containing user-defined functions (UDFs) are widely used, since they allow queries to be written using a mix of imperative language constructs and SQL, thereby increasing the ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential part ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

JavaScript user-defined functions support stateless, compute-only scalar functions that do not require external connectivity. The return value of a function can only ...

alasql.from.DB = function(dbtype, opts, cb, idx, query) { var res = []; async_read_data_from_mysql_function(dbtype, opts.dbname, opts.tablename, function(data) { res ...

The three most common open source technologies for writing data science programs are Python, SciLab, and R. Here's how to write program-defined functions in R. There's no clear definition of the term ...