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SQL Server: Union vs Union All

How To Use LEN and DATALENGTH Function In SQL Server

Union and Union All are used to combine two or more result sets in SQL. A Union set operator is different from SQL Joins. Union combines two sets whereas SQL Joins combines two or more columns based on a matching row condition. This tutorial describes the differences between Union and Union All based on function and performance.

How to Clear an App’s Cache and Data on Android

An application’s cache and data store the information you enter, achieve, or save while you use the app. An application’s data is responsible for storing offline app and game data, which allows you to save games and continue where you left off at a later time. However, as time goes by, some applications may horde a large amount of data which you may no longer need. Unnecessary data may take up a considerable amount of your phone’s precious storage.

An application’s cache may save information on your application, too. The cache is responsible for the automatic login credentials to online applications such as Facebook, Twitter and Instagram. On your Android phone, you can also clear this data by deleting the application’s cache and data. This article will guide you through the whole process.

Windows 10: Download Maps for Offline Use

Windows 10 comes with a Maps app that is super handy when you want to search for places and directions quickly. However, it requires an active internet connection to work properly. Luckily, you can still use it without a connection by downloading offline map data. Here is how to do it.

How to Control Windows 10 with your Voice

Hi, I'm Cortana

Cortana is the new voice-activated personal assistant for Windows 10. Those of you familiar with Apple’s Siri and Google Now will be familiar with this concept. You can ask Cortana when the next Star Wars movie comes out or what tomorrow’s weather forecast will be or to open an app or file for you. If you ask her, Cortana will even tell you jokes. Read on to find how to set up and use this feature.

Windows 10: Change or Add Another Language

If you ever want to change the display language of Windows 10 or want to add additional languages to use in documents, the steps in this tutorial will help you.

Windows 10: Multitasking with Snap

Windows 10 Snap

Those of you familiar with Windows 7 and 8 have probably witnessed the organizational wonder that is windows snapping. For those of you new to the concept, you will be pleased to discover that Windows allows you to grab an open application or window and “snap” it to a predefined area. Previously, you could snap windows to take up half of your screen so that you could see two windows side by side. Windows 10 further breaks your screen into four quadrants to which you can snap your windows. Once you pick up on this simple trick, you will wonder how you survived without it.

Reminders App: Create a New Reminder List on iPhone

By default, the Reminders app on iPhone shows only one list for all the reminders you create. You can add tasks to this list by creating a new reminder on the Reminders app on your iPhone. As you use the Reminders app, you may wonder if there is a way to group your reminders according to topic. That way, you can easily organize tasks or lists based on their relationship to each other. For example, it would be simpler to view a list of tasks for work instead of having them mixed with your personal reminders. You can create separate lists on your iPhone to categorize your reminders. This article will walk you through the steps on creating a new list.

How Do I Reset Windows 10 to Its Default Settings?

If your Windows 10 machine is not running well and you cannot find the root of the problem, resetting the system to its default state may help. Here is how to do it using the built-in feature of Windows 10.

Windows 10: Disable Background Apps to Conserve Power

By default in Windows 10, many pre-installed apps are given the privilege to run in the background. This ability enables apps to stay up-to-date and post notifications on-screen even when you are not using them. While this feature makes apps more useful since they can give you timely notifications, not all apps make good use of it. Furthermore, there may be apps that you rarely use, but they are still be able to run in the background all the time. Leaving unnecessary apps running in the background will not only consume more device resources, but it will also drain the battery faster. Luckily, it is possible to disable background mode for those apps. Here is how to do it.

Microsoft Edge: How to Use Reading Mode

Microsoft Edge how to use reading mode

The internet has a well deserved reputation as the ultimate time sink. One minute you are researching the cultural impact of Hellenistic Greece, and a few clicks later you, find yourself scrolling through endless pages of baby animals snuggling with sleeping babies. While this might be a fun way to pass the time, sometimes we really need to focus and get work done. Reading Mode is a tool offered in Microsoft Edge to help fight off internet distractions. When Reading mode is on, all advertisements and links to other articles disappear. This leaves you with a clean, book-like interface, and whatever you are reading is front and center.

Windows 10: Change the Lock Screen Background

If the default pictures that appear on the lock screen of your computer are not visually appealing to you, follow the steps in this tutorial to set your own pictures.

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