Welcome to the first lesson of "A Closer Look at Update Operations in MongoDB". This course builds upon your understanding of basic CRUD operations and data modeling. You've already covered read operations in depth. In this lesson, we will refresh your knowledge of updateOne, updateMany, and the $set operator. Additionally, we'll introduce you to other update operators, which will be discussed in detail in upcoming lessons.
As you may recall from earlier in this course path, there are two main methods for updating documents in a MongoDB database: updateOne for updating a single document and updateMany for updating multiple documents at once. Here's the syntax for both methods:
The filter parameter specifies which documents will be updated, while the update parameter defines how the documents will be updated. The options parameter is optional and can be used to specify additional settings for the update operation.
Below is a single code snippet demonstrating how to use and :
