GREATER THAN (>) and GREATER THAN EQUALS (>=) conditions - using $where, $gt and $gte operator in MongoDB

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GREATER THAN (>) and GREATER THAN EQUALS (>=) conditions - using  $where, $gt and $gte operator in MongoDB

First, Let's create new collection and insert document in it >
> db.employee.insert({_id : 1,  firstName:"ankit"})
> db.employee.insert({_id : 2,  firstName:"ankit", salary : 1000 })
> db.employee.insert({_id : 3,  firstName:"sam", salary : 2000 })
> db.employee.insert({_id : 4,  firstName:"neh", salary : 3000 })
First line above will create table (or collection) (if table already exists it will insert documents in it).

GREATER THAN (>) and GREATER THAN EQUALS (>=) conditions.
1) GREATER THAN (>) - using $gt operator in MongoDB in MongoDB  .
Find employee where
Salary > 1000
by using find method and $gt operator.


> db.employee.find( { salary : {$gt : 1000} } )
Output>
{ "_id" : 3, "firstName" : "sam", "salary" : 2000 }
{ "_id" : 4, "firstName" : "neh", "salary" : 3000 }


2) GREATER THAN EQUALS (>=) - using $gte operator.
Find employee where
Salary >= 1000
by using find method and $gt operator.


> db.employee.find( { salary : {$gte : 1000} } )
Output>
{ "_id" : 2, "firstName" : "ankit", "salary" : 1000 }
{ "_id" : 3, "firstName" : "sam", "salary" : 2000 }
{ "_id" : 4, "firstName" : "neh", "salary" : 3000 }

3) GREATER THAN (>) - using $where operator.
Find employee where
Salary > 1000
by using find method and $where operator.


> db.employee.find({  $where:"this.salary > 1000"})
Output>
{ "_id" : 3, "firstName" : "sam", "salary" : 2000 }
{ "_id" : 4, "firstName" : "neh", "salary" : 3000 }


4) GREATER THAN EQUALS (>=) - using $where operator.
Find employee where
Salary >= 1000
by using find method and $where operator.


> db.employee.find({  $where:"this.salary >= 1000"})
Output>
{ "_id" : 2, "firstName" : "ankit", "salary" : 1000 }
{ "_id" : 3, "firstName" : "sam", "salary" : 2000 }
{ "_id" : 4, "firstName" : "neh", "salary" : 3000 }







5) SUMMARY>
So in this mongoDB tutorial we learned how to use GREATER THAN (>) and GREATER THAN EQUALS (>=) conditions - using  $where, $gt and $gte operator in MongoDB.


GREATER THAN (>) - using $gt operator.
Find employee where
Salary > 1000
> db.employee.find( { salary : {$gt : 1000} } )


GREATER THAN EQUALS (>=) - using $gte operator.
Find employee where
Salary >= 1000
> db.employee.find( { salary : {$gte : 1000} } )


GREATER THAN (>) - using $where operator.
Find employee where
Salary > 1000
> db.employee.find({  $where:"this.salary > 1000"})


GREATER THAN EQUALS (>=) - using $where operator.
Find employee where
Salary >= 1000
> db.employee.find({  $where:"this.salary >= 1000"})


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RELATED LINKS>

What is MongoDB - A quick introduction to database


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