This query selects all documents in the inventory collection that meet one of the following conditions: the price field value is less than or equal to 1.99. the ...

22 апр. 2020 г. · This operator is used to perform logical NOT operation on the specified operator expressions and select or retrieve only those documents that do ...

This query will select all documents ... Remember that the $not operator only affects other operators and cannot check fields and documents independently.

Use the $ne operator to select documents where the field value is not equal to (≠) the specified value, including those that lack the field.

17 июн. 2011 г. · You can use $in or $nin for "not in". Example ... > db.people.find({ crowd : { $nin: ["cool"] }});. I put a bunch more examples here: ... MongoDB not equal to - Stack Overflow MongoDB using NOT and AND together - Stack Overflow How to perform a "NOT IN" query in mongodb without using $nin? Другие результаты с сайта stackoverflow.com

The $not operator can be used with regular expressions. It selects or retrieves only those documents that do not match the given operator expression. The user ...

Evaluates a boolean and returns the opposite boolean value; i.e. when passed an expression that evaluates to true , $not returns false ; when passed an ...

This query will select all documents ... Remember that the $not operator only affects other operators and cannot check fields and documents independently.

Use the $nin operator to select documents where the field value isn't in the specified array or the field doesn't exist.

The $not operator is a logical query operator that performs a logical NOT operation on a specified <expression> and selects documents that do not match the < ...