or the > operator to select rows that have a higher value than a given threshold. String functions are SQL functions that manipulate and transform strings, which are sequences of characters ...

A window is defined using the OVER() clause in SQL. Functions are predefined in SQL and you use them to perform operations on data. They let you do things like aggregating data, formatting ...

This function is equivalent to the #> operator in functionality ... The conversion of JSON values to SQL types of the output column applies these rules in sequence: A JSON null value is converted to ...

You will understand the concept of using scalar functions and aggregate functions in string and numeric operations in SQL databases, Understand the concept of using GROUP BY in grouping data, ...

Such optimizations are hindered by "black box" function interfaces, where the operator has no control over the processing inside each invocation. We are currently developing VAOs (Variable Accuracy ...

we propose higher-order SQL lambda functions for in-database execution. SQL lambda expressions have been introduced to let the user customise otherwise hard-coded data mining operators such as the ...