In this video, you will learn more about the UNION, INTERSECT, JOIN, and EXCEPT operators while combining datasets and tables.
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This clip is from the chapter "SQL - Combining Data from Multiple Tables" of the series "Master...

Dr. Forrester explains that the United States became a country in 1783 after seven hard fought years of the American Revolution. The original thirteen colonies became thirteen states. The United States grew to a total of fifty states as...

This video covers the essential symbols used in set notation and provides examples of how the set symbols are used.

Newton Knight was a Confederate soldier in the American Civil War who went AWOL to form a guerrilla force of fellow deserters and escaped slaves, who fought against the Confederacy.

Issued by U.S. President Abraham Lincoln almost three years into the Civil War, the Emancipation Proclamation played a crucial role in ending slavery across the United States and defining the principles that still govern the country today.

Lawyer, orator and politician, Daniel Webster was one of the United States’ most famous and accomplished people in the 19th century. But what made him so special and how did he help change America?

A motto is a saying that stands for what a person, an organization or a country believes in. The United States of America has had two mottos. Let’s learn what they are and what they mean.

This video provides a brief introduction to sets and then explains the four main set theory operations of union, intersection, difference and complement. Venn diagrams are used to demonstrate the concepts. Practice questions and answers...

Dr. Forrester tells the stories of Mother Jones and Samuel Gompers. She describes “The Haymarket Affair,” and talks about the accomplishments of our country’s labor movement.

This video provides a detailed account of the U2 spy plane incident that occurred on May 1st, 1960, when an American U2 spy plane was shot down over the Soviet Union. The pilot, Francis Gary Powers, was captured and later exchanged for a...

Battle for the South How did the Union Strategy prevail in the American Civil War? DOCUMENTARY

Travel to Charleston, South Carolina and explore Fort Sumter where the Civil War began

Travel to Vicksburg, Mississippi and explore an important turning point in the Civil War.

The departure from Afghanistan leaves a 'stain on the reputation of the west', the former prime minister tells the FT Weekend Festival, as he discusses Britain's place in the world, and says nationalism in Boris Johnson's Conservative...

Dr. Forrester discusses the changes begun in the United States as a result of the Civil War and Abraham Lincoln’s signing of the Emancipation Proclamation.

Dr. Forrester discusses the events leading up to the Civil War which had an impact on why the war was fought.

In this lesson, you will learn to model a lantern in sci-fi style and the basic shape of the lantern using various modeling techniques in Blender. You will learn to use primitives, modifiers, and other tools to build the main structure...

The first Black newspaper editor in the history of the United States, Mary Ann Shadd Cary spoke out to champion the cause of freedom in an era when the voices of African Americans were rarely heard.

The youngest inaugural poet in history, Amanda Gorman introduced a new generation to the lyrical power of poetry and became a modern-day icon in the process.

Each US State has a motto, let's learn what those are!

Geography of India | Countries of the World

Founded by Abraham Lincoln during the Civil War, the Department of Agriculture safeguards farming standards and boosts rural development through a series of progressive programs.

Also known as Freedom Day and Emancipation Day, Juneteenth celebrates the resilience of Black Americans and the historic achievement of abolition itself. But how did it come about?

The Presidential Election of 1876 was considered a foregone conclusion, with Democrat Samuel J. Tilden sure to defeat Republican Rutherford B. Hayes, but disputed Southern electoral votes led to an outcome that nobody predicted.