mongodb where not in
This query will select all documents in the inventory collection where the qty field value does not equal 20 , including those documents that do not contain the qty ... ,the field value is not in the specified array or; the field does not exist. ... selects the documents whose field holds an array with no element equal to a value in the ...
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 mongodb where not in 相關參考資料
$in — MongoDB Manual - MongoDB Docs
Reference >; Operators >; Query and Projection Operators >; Comparison Query Operators >; $in. $in¶. On this page. Examples; Use the $in Operator to Match ... https://docs.mongodb.com $ne — MongoDB Manual
This query will select all documents in the inventory collection where the qty field value does not equal 20 , including those documents that do not contain the qty ... https://docs.mongodb.com $nin — MongoDB Manual
the field value is not in the specified array or; the field does not exist. ... selects the documents whose field holds an array with no element equal to a value in the ... https://docs.mongodb.com $nor — MongoDB Manual
This query will select all documents in the inventory collection where: the price field value does not equal 1.99 and; the qty field value is not ... https://docs.mongodb.com $not (aggregation) — MongoDB Manual
In addition to the false boolean value, $not evaluates as false the following: null , 0 , and undefined values. The $not evaluates all other values as true , including ... https://docs.mongodb.com $not — MongoDB Manual
$not performs a logical NOT operation on the specified <operator-expression> and selects the documents that do not match the <operator-expression> . https://docs.mongodb.com $where — MongoDB Manual - MongoDB Docs
The $where query operator will not work inside a nested document, for instance, in an $elemMatch query. Considerations¶. Do not use global variables. $where ... https://docs.mongodb.com How do I do a "NOT IN" query in Mongo? - Stack Overflow
You can use $in or $nin for "not in". Example ... > db.people.find( crowd : $nin: ["cool"] }});. I put a bunch more examples here: ... https://stackoverflow.com How to find documents where a value is not in an array field in ...
How to find documents where a value is not in an array field in Mongoose? [duplicate] · node.js mongodb mongoose mongodb-query mongoose- ... https://stackoverflow.com Mongodb aggregate query with not in - Stack Overflow
Use this code var existingStudents=[]; db.students.find(}, _id: 0, 'student.code': 1}).forEach(function(doc)existingStudents.push(doc.student.code)}) ... https://stackoverflow.com |