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100 Data Modelling Interview Questions To Prepare For In 2025

ProjectPro

It allows for the creation of a database design that is both efficient and effective. A primary key is a column or set of columns in a relational database management system table that uniquely identifies each record. List a few benefits of using surrogate keys in relational databases.

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100 SQL Interview Questions and Answers

ProjectPro

RDBMS stands for Relational Database Management System. It organizes data into tables (also called relations) which are linked using keys. Examples include MySQL, PostgreSQL, and Oracle. PostgreSQL: An open-source, feature-rich dialect known for standards compliance and advanced indexing. What is RDBMS?

SQL 40
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Exploring Vector Databases: A Guide to Their Role in AI Tech

ProjectPro

Vector Databases primarily excel in similarity search, which involves finding objects in the database that closely resemble a given query object based on their vector representations. Vector Databases stand out in their ability to handle large-scale high-dimensional datasets efficiently and perform rapid similarity searches.

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Azure Cosmos DB: The Future of Database Management

ProjectPro

Azure Cosmos DB is a fast and distributed database designed to handle NoSQL and relational data at any scale. It allows developers to build high-performance applications of varying sizes or scales using a fully managed and serverless distributed database.

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Must-Have SQL Skills in the Data Ecosystem for 2025

ProjectPro

Despite the rise of NoSQL, SQL remains crucial for querying relational databases, data transformations, and data-driven decision-making. ” SQL (Structured Query Language) skills refer to proficiency in using SQL, a specialized programming language designed for managing and manipulating relational databases.

SQL 40
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Amazon S3 to Amazon Aurora: 2 Easy Methods to Load Data

Hevo

The former is an object storage service, and the latter is a relational database designed to be compatible with MySQL and PostgreSQL. Amazon S3 and Aurora are two of the widely used highly scalable services provided by AWS.

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Difference Between Data Structure and Database

Knowledge Hut

Examples MySQL, PostgreSQL, MongoDB Arrays, Linked Lists, Trees, Hash Tables Scaling Challenges Scales well for handling large datasets and complex queries. Organization: Structures designed based on algorithms and specific data manipulation needs. Database: MySQL: A popular relational database management system (RDBMS).