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Limiting Query Result in MongoDB

MongoDB allows you to specify the maximum number of documents to return using limit() method, and it is also possible to skip some documents from a MongoDB database by using skip() method. In this chapter, we will learn about both functions.

    Projection Queries in MongoDB

    Protection queries are a particular type of MongoDB queries where you can specify fields you want to get in the output. In this chapter, you will learn about MongoDB Projection Queries which can be used for an additional purpose.

      Query Operations in MongoDB

      A query in a database system is a command that is used for extracting data from a database and display it in a readable form. In this chapter, you will learn about the different ways of how queries can be made using MongoDB.

        Custom Forms in Bootstrap 4

        In Bootstrap 4, elements of forms can be customized, which are meant to change browser defaults. You can change the design of radio button, checkbox, slider, i.e., range, dropdown menu, file upload dialog box trigger, toggle button, etc.

          Concept of Replication in MongoDB

          In MongoDB, replication can be implemented for the processing where it is taken care of that same data is accessible on more than a single MongoDB server. Through this concept of MongoDB, the availability of data increases. In this chapter, you will learn about this concept.

            Concept of Aggregation in MongoDB

            In MongoDB, aggregation can be defined as the operation that is used for processing various types of data in the collection, which returns a calculated result. In this chapter, you will learn about the concept of aggregation that s supported by MongoDB.

              Indexing in MongoDB

              Indexing is a necessary operation in MongoDB which brings efficiency in various execution of statements. In this chapter, you will learn about the concept of indexing and how it can be implemented in the MongoDB database.

                Sorting in MongoDB

                Sorting is one of the necessary database operations. It helps to simplify readability and sort the data as per the requirement. In this chapter, you will learn about sorting concept and how it can be implemented in the MongoDB database.

                  Concept of Sharding in MongoDB

                  Sharding is an approach of distributing data across different machines. In other words, it can be said that the sharding concept is used for splitting large data sets into undersized data sets across several MongoDB instances. In this chapter, you will learn about this MongoDB feature name - sharding.

                    SQL Injection and Preventive Measures

                    SQL Injection which is abbreviated as SQLi is one of the popular databases attacking technique that poisons dynamic SQL statements which blurs out certain segments of the query assertion or append an additional condition which leads the logic to true.

                      Delete Documents in MongoDB

                      After creating an updating the document, a situation might occur where you want to delete any document or a set of documents. MongoDB also allows you to delete any particular document or multiple collections of documents. In this chapter, you will learn about how to delete documents from a MongoDB database.

                        Pagination in Bootstrap 4

                        Pagination helps in quickly navigate or switch users from the current page to any other existing page within a website. In this chapter, you will learn about creating pagination using Bootstrap 4.

                          Update Documents in MongoDB

                          The update operation in a database is used to change or update values in a document. In this chapter, you will learn about how to update data within MongoDB database.

                            Insert Documents in MongoDB

                            The insert operation is one of the crucial operations in the database system. In this chapter, you will learn about the different concepts and methods that are related to the insert operation in MongoDB.

                              Drop Collection in MongoDB

                              For dropping a collection in MongoDB, you have to make use of the collection.drop() method. This will eliminate the collection from the database completely and will not leave any indexes that are connected to this drop collection.

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