SQL Delete Table

Introduction SQL provides the DROP TABLE command to delete a table. This tutorial will show you how to delete a table and how to clear all data without removing the table itself.Don’t worry, each section is full of examples and everything will be explained clearly. Preliminary operations First of all, for this tutorial I assume …

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SQL Create Table

Introduction The CREATE TABLE command is used to create a new table in SQL.This tutorial will show you the command syntax and several practical examples to best learn how to use it. Preliminary operations First of all, for this tutorial I assume that you have MySQL installed on your computer. If not, you can download …

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Python min()

Introduction Python provides the min() function to find the minimum (or smallest) element among a group of values.This function is built-in and you can find the official documentation here. In the next sections we will see in detail how to use the min() function with examples. Are you curious to find out how to find …

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Python max()

Introduction Python provides the max() function to find the maximum (or largest) element among a group of values.This function is built-in and you can find additional information reading the official Python documentation. In the next sections we will see in detail how to use the max() function with examples. Are you curious to find out …

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Python in operator

Introduction In this post we will see how to use the in and not in operator in Python. These two statements are used when you want to check whether or not an element is found in a list, tuple or in a string. More generally they are used to verify the presence of an element …

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Python CSV

Introduction This post will help you configure your environment to write a Python program whose purpose is to read or write a CSV file. In your life as a developer, you will surely have to write or read a CSV file.A comma-separated values (CSV) file is a simple text file that uses commas to separate …

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Linux ls command

Introduction The Linux ls command is one of the basic commands and it is used to list information about files and sub-directories of the working directory (by default).While this command is pretty simple to use, this post tells you how to best use all of its parameters. Linux ls command The ls command allows you …

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Linux cd command

Introduction The Linux cd command is one of the basic commands and allows you to change directory.While this command is pretty simple to use, this post tells you how to best use all of its parameters. Absolute and relative path Before we start talking about the Linux cd command, it is best to remember the …

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Python – if else statement

Introduction Do you need to execute a code only under specific conditions?Python if else statements are what you are looking for! This post is about simple if, if else, and if elif else.These are fundamental constructs in Python and in all other programming languages so it is important to understand them well. Logical conditions Before …

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