SQL/PSM (Persistent Stored Modules) is an extension of SQL that allows for the creation and execution of procedural code within the database. It supports stored procedures, functions, and triggers, enabling more complex operations and business logic to be executed directly on the database server.

About Sql/psm
SQL/PSM was developed as part of the SQL:1999 standard to address the need for procedural programming capabilities within SQL. It aimed to enhance SQL's functionality by allowing developers to write procedural code, such as stored procedures and triggers, directly in the database, thereby improving performance and maintainability.
Strengths of SQL/PSM include its integration with SQL, allowing complex business logic to be executed on the database server, and its ability to improve performance by reducing client-server communication. Weaknesses include potential vendor-specific implementations and a steeper learning curve for those unfamiliar with procedural SQL. Competitors include PL/pgSQL (PostgreSQL), PL/SQL (Oracle), and T-SQL (Microsoft SQL Server).
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How to hire a Sql/psm expert
A SQL/PSM expert must have strong skills in writing and optimizing SQL queries, proficiency in creating and managing stored procedures, functions, and triggers, and a deep understanding of database design and normalization. They should also be familiar with transaction management, error handling, and performance tuning within the context of procedural SQL.

Filipe D.
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Back-end developer with extensive specialization in Java and supplemental expertise in front-end technologies, particularly React. Possesses over a decade of experience in crafting large-scale software solutions tailored for municipalities, universities, and the justice sector.

Lucas O.
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A seasoned Web Developer possessing expertise since 2017, demonstrating a robust enthusiasm for the JavaScript ecosystem. Current professional focus encompasses React.js, HTML, and CSS.

Diego S.
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Specializing in the advertising industry since 2009, this professional brings extensive experience encompassing major production companies and agencies, with a notable tenure running a software production company from 2018 to 2020. Over a decade of expertise as a developer, programming team coordinator, and technology project manager underscores a robust career. Self-acquired skills through on-the-job learning highlight a rapid learning capability about clients, market segments, industries, and project details. Exhibits exceptional adaptability essential for accurately discerning development requirements.

Alex O.
Skills
Professional background in software engineering since 2013, specializing in backend development and database modeling. Proven track record in developing solutions that drive organizational and individual success. Strong enthusiasm for JavaScript, with keen interest in the language’s evolution and future potential.

Eduardo D.
Skills
A software engineer with two decades of experience, specializing in front-end engineering with a focus on agile environments and effective web application deployment. Recent projects center around React.js, Next.js, and Typescript, contributing to various industries including fitness, education, pharmaceuticals, cosmetics, and healthcare. Demonstrated the ability to bring significant value to notable institutions and smaller entities alike.
Seeking a front-end engineer position, bringing comprehensive knowledge in JavaScript, React.js, Next.js, HTML, and CSS. Developed full-stack solutions utilizing Ruby on Rails, MySQL, WordPress, PHP, and Node.js. Expertise in debugging, collaboration using GitHub/GitLab, and a foundational understanding of design, advertising, marketing, and SEO concepts.
Outside the tech domain, founded a food business, demonstrating entrepreneurial skills and brand development capabilities that expanded to multiple points of sale. This venture highlights adaptability and the ability to manage a business while engaging in a digital nomadic lifestyle.

Gabriel L.
Skills
Software Developer holding an Information Systems degree from Fai - Centro de Ensino Superior em Gestão, Tecnologia e Educação, with three years of software development experience. Specializes in PHP, relational databases, Docker, and testing tools. Currently positioned as a Mid-Level PHP Developer, engaging in strategic projects aimed at customer migration to primary software, while adhering to best practices in development and testing. Additional responsibilities involve maintaining legacy systems, addressing critical bugs, handling SQL routines, and implementing minor enhancements. Previous professional experience encompasses projects within the telecommunications and healthcare sectors, demonstrating adaptability across various business models. Committed to transforming ideas into technological solutions and actively enhancing skills through studying the Laravel Framework via courses and mentorship programs.

Roger M.
Skills
Full Stack Developer with over six years of experience in systems development and a specialization in the JavaScript stack, particularly proficient in TypeScript, Node.js, and React. Versatile in handling various frameworks and libraries within this ecosystem, including NestJS, NextJS, Microservices, Test-Driven Development (TDD), Docker, GraphQL, and state management tools such as Redux, React Query, Context API, and Jotai. Expertise in ORM tools encompasses TypeORM, Prisma, Sequelize, and Mongoose, alongside proficiency in messaging protocols like gRPC, Kafka, and SQS. Adept in styling frameworks such as TailwindCSS and Material UI.
Database proficiency spans both relational and non-relational databases, including Oracle 12C, MySQL, and PostgreSQL for relational systems, and MongoDB, Redis, and DynamoDB for NoSQL databases. Additionally, possesses substantial experience with cloud providers such as Amazon Web Services (AWS) and Google Cloud Platform (GCP), and a strong grasp of microservices architecture (Lambdas), agile methodologies, and DevOps principles. Demonstrates a commitment to continuous learning and staying abreast of the latest technological trends and advancements.

Iago B.
Skills
Senior Full Stack Web Developer possessing a Bachelor's degree in Computer Science accompanied by nearly fifteen years of experience in developing and implementing innovative and efficient solutions using varied technologies and programming languages. Demonstrates proficiency in both frontend and backend development, with particular expertise in Java/PHP web development. Exhibits exceptional problem-solving abilities and a strong aptitude for teamwork. Consistently seeks opportunities to expand knowledge and contribute to collective success. Actively pursuing new professional challenges to apply extensive expertise and intelligent solutions.
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