SQL functions are prewritten actions that can be called on a cell, record or database to flexibly manipulate and extract information for further analysis. Take a closer look at the main types of SQL functions and how to use each.
SQL uses various data types for handling alphanumeric characters, numeric values and date and time values. Here are some of the main SQL data types to know and when to use them.
In Python, floats are a common data type that lets users work with decimal numbers, covering a wider range of values than integers. Check out this quick tutorial on how to make and use floats in Python.
Binary search is an efficient algorithm for searching a sorted list of data to find an item. Here’s an overview of how it works, how it compares to linear search, how to implement it in Python and its benefits and downsides.