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Database

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Database: digital data repository for storage, management, and security. Types: relational (tables) and nonrelational (various structures). Crucial for businesses to handle extensive data (petabytes) and support initiatives like AI and ML. Not just storage; ensures data integrity, access, and usage. Distinction from spreadsheets like Excel; databases manage more complex queries and formats. Common types include navigational, relational, nonrelational (NoSQL), object-oriented, vector, and cloud databases. Each serves specific data management needs and scalability. Databases uphold data usability, integrity, and security, crucial for compliance and operational efficiency, especially supporting AI technologies.

https://www.ibm.com/think/topics/database

Domain Authority (DA)

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Domain Authority (DA): Definition & Calculation
DA is a Moz metric predicting a website's ranking potential on SERPs, ranging from 1-100. It uses a machine learning model analyzing linking factors and site appearance frequency in search results. Higher DA indicates better ranking potential. Monitor DA via Moz's Link Explorer or API. To increase DA, focus on quality backlinks, content creation, and SEO best practices. DA is comparative, not absolute, meaning relative performance matters more than the score itself. Misunderstandings include DA as a direct ranking factor, its fixed nature, and confusion with PageRank. For SEO strategy, track your score, analyze competition, and prioritize link building. Regular progress tracking is vital for improvement.

https://moz.com/learn/seo/domain-authority

Domain Name

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A domain name is a website's address used to access it via a browser, combining a business name with an extension (like .com). Key benefits of registering a custom domain include increased memorability, credibility, and branding. It consists of three elements: top-level domain (TLD), second-level domain (SLD), and third-level domain (subdomain). Choosing the right TLD affects perceptions and targeting audience. Domains can be registered through registrars, and differences between domain names and URLs are clarified. Tips for selecting a domain name emphasize uniqueness and memorability.

https://www.hostinger.com/tutorials/what-is-a-domain-name

Domain Name Registrar

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Domain name registrar: a business that facilitates domain name registration, leasing them from registries (which own the names). Registrars notify registries when a domain is sold and manage reservations, not ownership. They also protect user privacy and maintain security against attacks like hijacking. Cloudflare is one such registrar, offering transparent renewal costs.

https://www.cloudflare.com/learning/dns/glossary/what-is-a-domain-name-registrar/

Domain Name System (DNS)

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DNS (Domain Name System) translates domain names (like example.com) into IP addresses, allowing users to access websites easily. It involves four servers: recursive resolver, root nameserver, TLD nameserver, and authoritative nameserver. DNS lookups typically involve 8 steps, with caching improving speed by storing past queries. Recursive queries require the resolver to find records, while iterative queries allow servers to provide referrals. DNS caching occurs at the browser and OS levels, enhancing performance.

https://www.cloudflare.com/learning/dns/what-is-dns/

Domaining

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Extreme TLDR: Domaining involves investing in domain names for profit, likened to real estate. Key investment factors include domain length, keyword strength, memorability, and TLD. Strategies include flipping (short-term) or long-term holding. Essential tools include marketplaces, escrow services, and domain parking. Avoid practices like domain squatting. Consider time, investment, and competition before starting. Steps for success: educate, focus on known industries, utilize tools, price fairly, list effectively, monitor values, start small, pivot as needed, and learn from mistakes.

https://www.godaddy.com/resources/skills/domaining-101

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