MongoDb OR ($or) Operator
The $or
operator are used to performs a logical OR operation on more than two
expressions and returns all the match documents.
Syntax: {$or: [ { <expression
1> }, { <expression 2> }, .. , { <expression N> } ]}
Query:
db.customers.find({
"$or": [{ "Age": 30 },
{ "Name": "Anil Singh" }]
});
MongoDb OR ($or) AND AND ($and)
The $and
operator are used to performs a logical AND operation on more than two
expressions and returns all the match documents.
Syntax: {$and: [ { <expression
1> }, { <expression 2> } , .. , { <expression N> } ] }
Query:
db.customers.find({
$and:[
{$or:[{"Name"
: "Anil Singh"}
]},
{"Age": "30"}
]});
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