MongoDB – aggregate query
document https://www.mongodb.com/docs/manual/aggregation/ Operators for aggregation queries https://www.mongodb.com/docs/manual/reference/operator/aggregation/ Classification of Aggregate Query Operators arithmetic expression operator array expression operator boolean expression operator comparison expression operator conditional expression operator … Common Mongo aggregation operations are compared with mysql queries SQL Aggregate where $match group by $group having $match select $project order by $project limit $limit sum() $sum […]
MongoDB – aggregate query Read More »