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Latest online learning materials with easy-to-understand examples in various subjects.

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.

                          Create Collection in MongoDB

                          Collections are like that of tables of RDBMS and are capable enough to store documents of diverse or dissimilar types. Creation and removal of collections in MongoDB can be done in specific ways. In this chapter, you will learn about the creation of collections in a database created using MongoDB.

                            Data Types in MongoDB

                            Data type is an essential component of a language. MongoDB stores data in BSON format. In this chapter, you will learn about the different data types that exist in MongoDB, along with their implementation techniques.

                              Cards in Bootstrap 4

                              Cards are a square or rectangular box-shaped bordered element in which contents reside with some padding around it. Options like contents, headers, footers can also be included in it. These cards can be used for different purposes and provide different styles and features which you will study in this chapter.

                                Database Create and Drop in MongoDB

                                For storing data in a MongoDB, you need to create a database first. This will allow you to systematically organize your data so that it can be retrieved as per requirement. If you wish to delete a database, MongoDB also allows you to delete that. In this chapter, you will learn how to create and delete a database in MongoDB.

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