Nail Your Next Job Interview with These Top Questions and Answers | aihirely
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07 Jan, 2025
CSS Interview Questions(2024)
Pseudo-elements in CSS are used to apply styles to specific parts of an element, such as the first letter, the first line, or inserting content before or after an element's content. Pseudo-elements allow you to style portions of an element without adding extra HTML markup. They are prefixed with two colons (::) to distinguish them from pseudo-classes (which are prefixed with one colon :).
07 Jan, 2025
CSS Interview Questions(2025)
The CSS Grid system is a powerful two-dimensional layout system in CSS that allows you to create complex and flexible web layouts with ease. Unlike Flexbox, which is primarily one-dimensional (working either in rows or columns), CSS Grid enables you to design layouts both in rows and columns simultaneously, providing more control over the placement and alignment of elements within a container.
07 Jan, 2025
Commonly Asked MySQL Interview Questions (2025)
In MySQL, an index is a data structure that improves the speed of data retrieval operations on a database table. Indexes are used to quickly locate and access the rows in a table based on the values of one or more columns, without having to scan the entire table. Think of an index like a book's table of contents, where you can quickly jump to the section you're interested in without reading every page.
07 Jan, 2025
Most Frequently asked MySQL Interview Questions and Answers
A deadlock in MySQL occurs when two or more transactions are blocked, each waiting for the other to release locks on resources (such as rows or tables). This creates a circular dependency, where no transaction can proceed because each transaction is holding a lock that the others need.
07 Jan, 2025
MySQL Interview Questions (2025)
MySQL is an open-source relational database management system (RDBMS) that uses Structured Query Language (SQL) to manage and manipulate relational databases. It is one of the most popular databases, known for its speed, reliability, and ease of use. MySQL is commonly used in web applications and has been a key component of the LAMP stack (Linux, Apache, MySQL, PHP/Perl/Python).
07 Jan, 2025
MySQL Interview Questions and Answers for 2025
A subquery in MySQL is a query nested inside another query. It allows you to perform a query within the context of another query, often to retrieve data that will be used in the outer query. Subqueries can be used in the SELECT, INSERT, UPDATE, or DELETE statements and can help with complex queries where a direct comparison or condition is needed.
07 Jan, 2025
MySQL Interview Questions for Developers
MySQL handles transactions using the ACID properties, ensuring that database operations are reliable, consistent, and recoverable. A transaction in MySQL is a sequence of one or more SQL operations that are executed as a single unit of work. If any of the operations fail, the entire transaction can be rolled back to maintain data integrity.
07 Jan, 2025
MySQL Interview Questions and Answers
In the context of MySQL, ACID stands for Atomicity, Consistency, Isolation, and Durability. These are a set of properties that guarantee that database transactions are processed reliably and ensure data integrity even in the event of failures (like power outages, system crashes, or software bugs). Let's go over each ACID property in detail:
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