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Remove Field from MongoDB Document
Understanding the $unset Operator:The $unset operator is the primary tool for removing a specific field from a MongoDB document
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List Databases in MongoDB Shell
This command will display a list of all the databases currently present in your MongoDB instance. Each database will be displayed with its size in megabytes
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Understanding MongoDB's Equivalent to SQL's LIKE Operator
In SQL, you use the LIKE operator to perform pattern matching on text data. For example, WHERE name LIKE 'John%' would find all names starting with "John". MongoDB doesn't have a direct equivalent