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Data modeling is the process of creating abstract representations of the structure and relationships within a database, using techniques such as entity-relationship diagrams or schema diagrams, to provide a visual guide for database design and help stakeholders understand the organization and flow of data within a system.
The article highlights the challenge of integrating junior employees in remote and hybrid work environments and suggests a structured mentoring program. The mentoring program should pair senior staff members with junior staff for virtual mentoring sessions. The senior staff member from the junior colleague’s team should meet with them monthly […]
Choosing the right partition key is essential in designing and building scalable and reliable applications on top of DynamoDB. What is a partition key? DynamoDB supports two types of primary keys: Why do I need a partition key? DynamoDB stores data as groups of attributes known as items. Items are […]
A graph data structure represents a set of objects (called nodes or vertices) and the relationships between them (called edges). Graphs can model real-world entities and associations, such as social networks, transportation networks, and computer networks. There are many reasons why we use graph data structures. Some of the most […]
What is NoSQL? NoSQL encompasses a wide variety of different database technologies that were developed in response to the demands presented in building modern applications: Developers work with applications that create massive volumes of new, rapidly changing data types — structured, semi-structured, unstructured, and polymorphic data. Long gone is the […]
This is a beginners guide to NoSQL databases. We will talk about what they are, the advantages and disadvantages of NoSQL and relational databases and also the different types of NoSQL including document databases, column stores, key-value stores and graph databases NoSQL databases have grown significantly in popularity since their […]