Dive into the world of MongoDB update queries in this comprehensive 1.5-hour tutorial. Learn to manipulate document data effectively using various update methods and operators. Start with an introduction to document updates, then progress through creating sample documents and understanding update method syntax. Master essential operators like $set, $unset, $rename, and $currentDate. Explore techniques for updating single and multiple documents, as well as replacing entire documents. Delve into array update operators including $push, $addToSet, $pop, $pull, and $pullAll. Gain proficiency in using positional operators for precise updates in nested documents and arrays. Conclude with a summary of the update module, equipping you with the skills to perform complex data modifications in MongoDB.