WordPress MCQs
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Unit 1 – Introduction, Installation & Configuration 1. What does CMS stand for?A) Content Management SystemB) Content Marketing ServiceC) Computer Management SystemD) Content Media SoftwareAnswer: A 2. WordPress is primarily…
September 2026
MongoDB upsert() using findAndModify()
Upsert means Update + Insert. It performs two possible operations: Explanation of each part Performs a find-and-modify operation on the emp collection. Searches for an employee whose empnm is "mital".…
MongoDB Map-Reduce
MapReduce is a data processing technique in MongoDB used to process large amounts of data and perform calculations such as sum, count, average, grouping, etc. MongoDB Map-Reduce consists of two…
How to Create a Taxonomy in WordPress
A taxonomy in WordPress is a way to group and organize posts or custom post types. WordPress has two built-in taxonomies: You can also create a custom taxonomy, such as…
Backup and Restore Facility of MongoDB
MongoDB provides backup and restore facilities to protect database data from accidental deletion, hardware failure, corruption, or other problems. 1. Backup in MongoDB Backup means creating a copy of the…
Arithmetic Aggregation Operators in MongoDB
Arithmetic aggregation operators are used to perform mathematical calculations on numeric values in MongoDB aggregation pipelines. They are commonly used with stages such as $project, $addFields, and $group. They are…
String Aggregation Operators in MongoDB
String aggregation operators are used to perform various operations on textual/string data stored in MongoDB document fields. They are commonly used inside the Aggregation Pipeline, especially with the $project stage,…
How to Perform JOIN Operation in MongoDB
MongoDB is a NoSQL database, so it does not use the traditional SQL JOIN statement. However, MongoDB provides the $lookup aggregation stage to perform a join between two collections. 1.…
List out hook in wordpress.
Hooks in WordPress are functions that allow developers to modify or add functionality to WordPress without changing the core files. There are two main types of hooks: A. Action Hooks…
simple normal WordPress theme using the five main files:
Create the folder here: 1. style.css 2. functions.php 3. header.php 4. index.php 5. footer.php How the files work together Important WordPress functions File Main purpose style.css Theme information and design/CSS…