MongoDB Query

How-tos How to Query Nested Object in MongoDB This article demonstrates how to query nested objects in MongoDB. Learn to use dot notation, the $elemMatch operator, and the Aggregation Framework to efficiently retrieve and … ↗ How-tos How to Query With String Length in MongoDB This tutorial discusses how to query with string length in MongoDB. Learn various methods including the use of $expr, the Aggregation Framework, and regular expressions to filter … ↗ How-tos Query Similar to the SQL LIKE Statement in MongoDB In this article, we will use MongoDB to use queries similar to the SQL LIKE statement to fetch data. We will use regular expressions for searching documents in MongoDB. ↗ How-tos How to Query for Documents With Array Size Greater Than 1 in MongoDB This tutorial discusses how to use the $size, $where, and $exists operators in MongoDB to query for records when array size is greater than 1. ↗ How-tos How to Return Query Based on Date in MongoDB This MongoDB tutorial article will tell you how to query with Date Range in MongoDB and how to return query based on Date in MongoDB. Moreover, commands $gte, $lte, $gt and $lt are … ↗ How-tos How to Query for Is Not Null Value in MongoDB This guide aims to provide readers with different ways and examples to query for is not null values in MongoDB. We can use the $ne operator and the $eq operator and specify the … ↗ How-tos How to Query Date With ISODate in MongoDB This tutorial tackles what is Date() object and how you can sort collections using Date() method. Moreover, it will also explain how you can work date query with ISODate in … ↗ How-tos How to Return Unique Values in MongoDB This tutorial article will discuss the distinct function in MongoDB and how you can use it with db.collections. Moreover, you will learn how to return values from database with no … ↗ How-tos How to Query With Multiple Conditions in MongoDB This instructional post will tell you which operators can be used to find and query multiple documents on multiple conditions in MongoDB. $and and $or operators are described … ↗ How-tos How to Log All Queries in MongoDB This instructional post will teach you about logging in MongoDB. Furthermore, the operators used for logging queries in MongoDB are briefly discussed. ↗ How-tos Case Insensitive Queries in MongoDB In this article, you will learn how to use case insensitive queries in MongoDB. Moreover, how you can improve regex case insensitive queries is also discussed in this tutorial. ↗