Html css web developer job sydney jobs

I am currently in need of a graphic designer specialized in business logo design. This is a freelance job which allows flexibility in working hours. The ideal candidate should be creative and experienced in logo design that effectively communicates the identity of the business. This job allows remote work, therefore effective communication skills are necessary.

...Your creativity in this phase will set the foundation for the unique digital experiences we aim to deliver. Develop a Static yet CSS-Responsive Bricks Page Template Using REM: Ensure the template you create is fully responsive, adapting gracefully to any screen size. Employing REM units and 62.5 Mechanism for styling will ensure scalability and fluidity across devices. Define All CSS Styles in a Bricks Child Theme: Centralize your CSS customizations within a Bricks child theme. This approach ensures that all styling changes are preserved and easily manageable, separate from the main theme. Outline the Relevant HTML, CSS, and PHP Elements: Your expertise in web development languages will be crucial here. Ensure that the structural, stylistic, ...

I need a highly skilled Shogun developer to integrate a new payment system functionality into our existing platform. Even though no specific programming language was highlighted, a deep understanding of Python, Java and C++ would be advantageous to navigate our existing structure. The end goal is to implement a secure and user-friendly payment environment. Features should include: - Multi-currency support - Integration with popular payment gateways - Fraud detection mechanisms - Easy to use interface for both backend and frontend users Candidates should have prior experience with payment system integration and a keen eye for detail in terms of security and efficiency, as well as a proven track record of successful project completions.

Project Description: I am looking for a skilled Java developer to help enhance a personal project involving an agent-based simulation model. The project requires adding sophisticated features to an existing simulation that models agent interactions within an environment. Project Details: Enhance Agent Interactions: Develop and integrate methods for agent movement and aggregation to simulate complex social behaviors within the simulation environment. Simulate Social Dynamics: Implement features that allow agents to "date" locally, using advanced algorithms to manage movement and interactions. Dynamic Agent Management: Add functionality to dynamically introduce new agents into the simulation, reflecting the natural flux of a social environment. Behavioral Rules Implementa...

...recreating it in Vue.js We are looking for a developer who can convert the functionalities from to our new functionalities. We converted one product already. So here is a sample of our new layout: You would receive all our old javascript and the Vue-project and you would recreate the old page functionalities in the new structure. Attention: - Not needed is the Tooltip-functionality of the old site - Please however be aware that the Filters on top of the page are reactive (You can see that by clicking for example on "UV-Lack, glänzend" in the Filter Section. As a reaction to your click some options in the Filter section vanish). This IS needed. As it is the most difficult part of the job please state in your bid that you understood

I am in search of an experienced full stack development team to create a job board. Both PHP and MySQL, as well as Ruby on Rails should be familiar technologies for the successful candidate/team. The features I require include: - Job search engine - Resume submission capability - Creation of employer profiles Equally important to functionality is design. The job board must have a modern, sleek aesthetic while remaining user-friendly and intuitive. Moreover, the platform should be customizable and flexible to accommodate future expansion or changes. A successful history in similar projects is highly desired for this task. Proven design skills and a keen eye for UI/UX will also be highly advantageous. Note: Read the attached document for more details

I have a project that requires an experienced developer to assist in the building of an open-source B2B e-commerce platform. Given the open-ended nature of the project, any developer considering this job should ideally bring a wide array of programming skills to the table, including but not limited to Python, Java, and JavaScript. Key Functionalities Needed: - User authentication system - Product listing and search abilities - Shopping cart functionality The platform also requires different integrations to optimize the user experience: - Payment gateway integration - Integration with various shipping carriers - CRM integration I want a professional with previous experience in e-commerce platforms and a deep understanding of B2B systems. Continued collaboration is a ...

I'm in need of a competent Python programmer with experience in working with real-time market data streaming to assist me in the development of a Zerodha Kite Live Websocket project. Key Features: - Real-time market data streaming: It should provide real-time updates on market data. - Order placement functionality: Enable easy and prompt order placement. - Trade execution notifications: Immediate notifications should be sent out once a trade is successfully executed. Design: The interface should be customizable and user-friendly, to simplify data analysis for end users. Ideally, the chosen freelancer should have prior experience working on similar financial projects and a solid understanding of market data streaming. Proficiency in Python is a non-negotiable as the entirety of ...

I need a clean and minimalist HTML front end for a new website. The purpose and type of website will be shared with the selected freelancer. Ideal skills and experience: - Proficient in HTML, CSS and Javascript - Prior experience in creating modern, sleek designs - Strong understanding of responsive design - Ability to work collaboratively on design elements Please provide examples of your previous work for consideration.

We are seeking an experienced [VA] to help us with our company tasks such as social media posts, research data entry etc... The ideal candidate should have a strong background in [LinkedIn Job posting - data entry - Google drive/sheets] The tasks are very simple, however, this will be ongoing, daily work for the foreseeable future. Must be reliable and consistent in order to be successful in this role

...recreating it in Vue.js We are looking for a developer who can convert the functionalities from to our new functionalities. We converted one product already. So here is a sample of our new layout: You would receive all our old javascript and the Vue-project and you would recreate the old page functionalities in the new structure. Attention: - Not needed is the Tooltip-functionality of the old site - Please however be aware that the Filters on top of the page are reactive (You can see that by clicking for example on "UV-Lack, glänzend" in the Filter Section. As a reaction to your click some options in the Filter section vanish). This IS needed. As it is the most difficult part of the job please state in your bid that you understood

I'm looking for an experienced Solana smart contract developer to guide me to create a robust and secure smart contract. The contract should have the following features: - Token creation: The ability to generate tokens as needed - Token transfer: Smooth transfer of tokens between users - Smart contract upgradeability: The contract should support future upgrades and improvements The ideal candidate should: - Be proficient in Rust, with prior experience in Solana smart contract development - Be able to implement basic security checks and willing to have the code reviewed by multiple experts - Have a good understanding of blockchain technology and be able to deliver high-quality, secure code. This project requires a high level of expertise in Solana blockchain development.

Php developer for a web portal ( College search engine cum admission portal )

We are looking for a talented game developer to create a mobile version of the popular Indian card game Teen Patti. The game should capture the essence of Teen Patti and provide an engaging and immersive gaming experience for players. Responsibilities: Develop the game mechanics, including card dealing, betting, hand evaluation, and player actions. Implement multiplayer functionality for real-time gameplay with friends or random opponents. Design and integrate high-quality graphics, animations, and sound effects that enhance the gaming experience. Optimize performance for various mobile devices and ensure smooth gameplay. Requirements: Proven experience in game development, with a portfolio showcasing previous work on mobile games. Proficiency in game development frameworks such ...

Hello! I need WordPress developer who can fix Core Web Vitals issues in Google Search Console and make my all URLS in good. I see most issues are related to INP, and LCP. It consists of searching for “heavy” database queries and rewriting them into “lighter” ones. This also includes optimization of the code itself. You also need to get rid of unnecessary plugins, and some need to be rewritten. Since it is plugins that are often the “brakes” in the operation of the site. My site is WooCommerce and experiencing issues related to lower speed as well. I want you to implement proper caching, image optimization, script optimization, reduce unnecessary plugins etc. I don't want you to use plugins but need manual work. Also We had some iss...

I need a Wordpress expert who is proficient in Elementor to help me fix issues on my website. I'm having issues with lots of pages, plugins and some codings. I need someone expert, reliable and professional. This might be a long-term partnership for the right person. Thanks

I need a website template written in raw html, css and js (no third party library). The website has responsive menu (look at the attachment to see my design) : - The menu item can be a leaf item or parent item that will show subtitems if clicked. - Clicking menu item/subitem will show the corresponding content. - The menu is placed on right side in the desktop and on top under image header in mobile. - The image header and menu should always be shown even when the page is scroll down - The menu has background color in desktop and transparent bg on mobile What you have to do: - Create the website - Use some random image for the image header - Create a div with text 'Item1', 'Child1', 'Child2', 'Item3', 'Child3', 'Child...

I'm looking for an experienced developer to create a unique, bespoke WordPress theme based on pre-existing PSD files. The theme should be developed with PHP, HTML, JS, CSS, BS5 Grid, and ACF. I have 7 unique page/template designs ready. Key requirements include: - Converting PSD files into WordPress theme - Deep understanding of PHP, HTML, JS, CSS, BS5 Grid and ACF for WordPress - Creation of the theme according to specified requirements. - ALL content will be added by us. Key Points: 1: Bespoke WordPress Theme Build (PHP, HTML, CSS, JS) 2: Combination of the old WordPress WYSIWYG editor & ACF (Advanced custom fields). No blocks/Gutenberg or a theme page/builder etc) 3: Bootstrap 5 Grid (Mobile First etc) 4: Needs 1 x Custom...

I am in need of a skilled full-stack developer with experience in Vue.js, Firebase, and to create a comprehensive real estate application targeted for both web and mobile platforms. The critical features that need implementation are property search and property listing. Ideal Skills and Experience: * Expert in Vue.js, , and Firebase * Proven experience in developing real estate applications * Familiarity with both web and mobile application development * Experience implementing property search and listing functionality.

I need a talented and experienced developer based in Latin America who is proficient in JavaScript and Python. The project will involve creating and integrating user authentication and databases. Key Requirements: - Proficiency in JavaScript and Python. - Experience in developing secure and efficient user authentication systems. - Strong grasp of integrating databases effectively for seamless data management. - Familiarity with common security protocols and best practices. Desirable Skills: - Knowledge of Angular, React, or Django would be a plus, but not a strict requirement. - Experience in payment gateway integration would also be beneficial, but not necessary for this particular project. Please submit your proposal if you meet the requirements and are interested in working on...

...looking for a Sr. Full Stack developer to manage our existing project for a long term. The candidate will check the existing code structure(Frontend and Backend) and update the bugs and add new features. Main tech stack: Backend - Python Frontend - React.JS Server - AWS DB - Postgresql The right candidate should have at least 5 years of experience in Python and React.JS. In the first phase, we should launch this project in 7 days, and once launch, we can go ahead maintainous mode for a long term. - Be responsible for adding new features and update bugs to our existing project - Have demonstrated experience in Python(Django) and React.JS framework - Be capable of understanding complex existing code and system architectures We need the reliable and responsive developer for...

Looking for a skilled developer to fill in for a team member on vacation. The ideal candidate should have: - Strong experience in C# and ASP.net - Good knowledge of SQL Server The role involves: - Troubleshooting and fixing bugs in our existing applications - Enhancing and adding new features to our applications The projected timeframe for this position is less than a month, but the role could potentially be extended. You're being hired for not only your skills but also your problem-solving abilities - an essential trait when dealing with application bugs/issues. The key objectives for this role are: - Improving the performance and stability of our applications - Enhancing the user experience and application functionality Note: We skipped the outcome due to the job's shor...

I'm in need of an experienced app developer who can create a cross-platform application. The app should primarily provide a data prediction feature similar to 'Probo app' or 'MPL Opinio'. The functionality of the data prediction feature needs to be a combination of predictive text input, machine learning algorithms, and real-time data analysis. Key Requirements: - Develop a cross-platform app for iOS and Android - Implement a data prediction feature - Ensure the data prediction is based on predictive text input, machine learning algorithms, and real-time data analysis Desirable Skills: - Proficiency in both iOS and Android app development - Strong background in data prediction and analysis - Previous experience with predictive text input and machine learni...

This should be a very simple job for someone with the correct knowledge. I have a temporary email website (and webflow app) where users can create temporary email aliases. These emails should automatically delete after 14 days but they are not deleting. I need someone to create a Cron Job on my shared hosting in cPanel. The task at hand is for an automatic email deletion sequence which deletes all emails older than 14 days in my cPanel email account and sends a confirmation email each time it runs to a specified email. Key Details: - There is already a cron job created but it does not work. - Specifically designed for cPanel email account and not other email service providers. - Test the functionality to ensure correct execution. - The cron job should not del...

**Job Title:** Freelance Web Developer for Digital Marketing Agency Website **Project Overview:** We are a dynamic digital marketing agency looking to revamp our online presence with a modern, user-friendly website. The new website will serve as the digital face of our agency, effectively showcasing our services, portfolio, and client testimonials while also offering valuable industry insights through a blog. **Project Scope:** **Website Structure & Design:** - Create a visually appealing, responsive design optimized for desktop, tablet, and mobile. - Develop a homepage that highlights our agency's unique selling points. - Develop inner pages, including: - About Us - Services (individual pages for each service) - Portfolio - Blog ...

Update, next release. The work has been discussed in the freelancer chat.

Hi, I'm currently working on a project and I'm looking for a Full Stack JavaScript developer to help me with a few key aspects: - I need the developer to work with Google/Here Maps API and the Places API. The main goal of using these APIs is to ensure that geolocation services are correctly integrated into the project. - The project also needs deployment on AWS. The most crucial aspect of the deployment is ensuring that it's done correctly. The project is already developed and available on Github at the developer has to make the project work and deploy it on AWS cloud. I will provide the Places API key. Has to solve any error that comes and deploy the project on AWS error free. The ideal candidate for this project would have: - Proficiency in Full

The project entails developing an Angular application that seamlessly retrieves data from Teradata and presents it in a user-friendly manner. Specifically, the developer should be proficient in: -Setting up Angular environments. -Creating Angular services to interact with Teradata. -Retrieving and processing data from Teradata within Angular components. -Handling errors and exceptions effectively. -Optimizing performance for data retrieval and presentation. -Testing, debugging, and deploying Angular applications.

I'm seeking an advanced C# developer with prior experience in creating desktop applications on Windows. Familiarity with TWAIN integration is crucial. Key Requirements: - Advanced C# Knowledge: The ideal candidate should be comfortable and well-versed in advanced concepts. - Windows Desktop Application Development: Previous experience in developing desktop applications on Windows is a must. - TWAIN Integration: You should have prior experience integrating TWAIN for image scanning functionalities. This is a challenging project that requires a high level of expertise in C# and experience in developing Windows desktop applications, particularly with TWAIN integration. If you're confident in your skills and have a solid track record in similar projects, I'd like to hea...

I'm in need of a resume builder that can cater to my specific job application needs. The software should be able to generate a professional resume that can be customized according to the job I'm applying for. Key Features: - Customization: The software should allow me to create a resume from scratch. - Download: It should enable me to download the resume in multiple formats. Skills and experience required: - Proficiency in resume building software development. - Understanding of job market and requirements. - Experience in user-friendly UI/UX design.

I'm looking for a full stack developer with expertise in rolling out B2B white-labeled solutions. Key Requirements: - Strong Experience with .Net, React, React Native, MongoDB, and AWS - Experience in developing white-labeled solutions - Understanding of User authentication and User management - Ability to provide features like Branch Management and Databases - Previous experience with small scale projects (10-50 users) Your role would be to help me create and implement a system that allows businesses to use my product under their brand. This would include setting up user authentication, managing user details, enabling branch management, and ensuring the system can scale up to 50 users without a hitch. Experience in developing similar solutions and strong knowledge in the sp...

I'm looking for a skilled full stack developer with in-depth experience working with the Spring Framework and Next.js. Have questions about the advantages of the Spring framework? Let's discuss during the Interview. Specifically, the following points need to be covered: Front-End Development: - Implement user authentication mechanisms Back-End Development: - Create robust APIs to support the front-end functionalities The ideal candidate for this project should have a successful track record in: - Front-end development with a focus on user authentication - Back-end development, specifically API creation - Proficiency in the Spring Framework - Expertise in If you have experience in these technologies and can deliver high-quality code within a specified timeframe, I...

I'm looking for someone with a LinkedIn account who can make 10 free job posts per month to LinkedIn on my behalf and respond to applicants. This takes me about 10 minutes per post. So 1.5 hours work per month. Once every 3 days, you will make a post (copy/paste mine), respond to applicants close the job post a new one. If you read all this include 88730 in your reply. Be aware, if you bid a price I will not accept any negotiation on that price if I reach out to you. Bid carefully. You do not need to write the posts; I have everything prepared for you. Once you send a single message to the applicants you never need to message them again. I have a whole lot of people already doing this on a regular basis, so you'll be joining a team. Not that you have to interac...

I'm seeking an Angular developer to work on an exciting project that involves building a web application from scratch. Key Responsibilities: - Front-end Development: You will be responsible for creating the user-facing side of the application. This will involve translating UI/UX design wireframes to actual code. - UI/UX Design: A good eye for design is crucial. The application should be intuitive and visually appealing. - Performance Optimization: It's important that the application performs well under various conditions. You'll need to focus on optimizing the performance of the application. Your primary goal will be to create a high-quality, responsive web application using Angular. Integration with Third-Party Services: - Payment Gateways: The app...

I am in need of a skilled Java developer to add new functionality to my project. The specific tasks you'll be working on include: - Writing code for the added features - Debugging and testing to ensure the new functionality works correctly - Creating an architecture that integrates seamlessly with the existing project While I do not have specific frameworks in mind, your experience with Java and its various tools will be essential for the successful completion of this project. A background in the Spring Framework, Hibernate, or JavaFX could be beneficial, although not mandatory. Please get in touch with your past work and experience, especially any similar projects you've previously undertaken. Looking forward to collaborating with you.

I have an urgent need for a skilled blockchain developer who can swiftly handle smart contract development and blockchain integration. The project requires someone who can hit the ground running and deliver quality work within a tight timeframe. Ideal candidates should have: - Proven experience in smart contract development, particularly on Ethereum - A solid understanding of blockchain integration - The ability to work efficiently and under pressure - Good communication skills and a proactive approach to problem-solving The project timeline is urgent, so if you're confident in your blockchain skills and are available to start immediately, I'd love to hear from you.

I require a dedicated Django developer to create a web application featuring user authentication and efficient database management. Your tasks will include: - Developing a robust user authentication system - Setting up a reliable database management system I don't have a specific web layout in mind; I'm entrusting the design aspect to you, the chosen freelancer. I'm looking for a sleek, user-friendly interface that aligns well with the application's functionality. Your skillset should include: - Proficiency in Django and Python - Knowledge and application of JavaScript and HTML/CSS - Strong background in user interface design - Experience in designing from scratch - A solid understanding of database structures Please note: Previou...

Hey, We are looking for Senior Blockchain Developers (5+yrs) with a deep understanding of L2, Rust, C++ and Solana codebase. If you feel this is a good fit, please send your CV Max rate is 16$

I'm seeking a skilled UI designer to create a visually appealing and user-friendly informational webpage. Key Requirements: - Graphic Design Expertise: The candidate should be proficient in creating visually appealing layouts and designs for webpages. - HTML/CSS Coding Skills: The ideal candidate should be able to translate design concepts into functional web elements using HTML and CSS. - User Experience (UX) Knowledge: It is crucial that the designer understands the importance of user experience and can create a layout that is intuitive and easy to navigate. Content: The webpage will primarily consist of a portfolio, specifically a candidate profile. The design should be able to present this content in an engaging and aesthetic way, without compr...

...project involves the front end development for my e-commerce website that aims at showcasing and selling physical goods to consumers. This dedicated platform will serve as a one-stop shop where customers can browse through various products and make purchases. Key Skills and Requirements: - Extensive experience in web development, especially in e-commerce platforms. - Strong HTML, CSS, JavaScript, skills, for creating interactive web interfaces. - Knowledge of responsive web design to ensure the platform is accessible on various devices. - Experience with user interface and user experience (UI/UX) design to ensure customer-friendly navigation. - Familiarity with e-commerce integration, ensuring a seamless purchase process for our customers. Your ...

I have a custom HTML template that I would like to convert to a WordPress theme. The WordPress site should include functionality for membership registration and a blog. Key Requirements: - Convert an existing HTML template to a functional and responsive WordPress theme - Implement membership registration functionality - Integration of a fully functional blog Skills and Experience: - Expertise in HTML5, CSS3 and WordPress theme development - Strong understanding of WordPress CMS, especially in implementing membership systems - Experience with custom post types and WordPress blog setup - Ability to create a design based on a given HTML template Please provide HTML Code to WordPress customizations and describe your experience in developing WordPress membership s...

As an android developer with experience in building BLE (Bluetooth Low Energy) compatible apps, I'm looking for someone who would further enhance the functionalities of my application. Key features required: - User login and registration: Devise a secure and efficient way for app users to sign up and log in. - Push notifications: Incorporate a system that updates users with relevant notifications. - In-app purchases: Embed a seamless and trustworthy payment structure within the app for purchases. BLE Functionality: - The Android app must include BLE technology for it to connect to smart meters. As such, proficiency in this area is a must have. Experience in developing similar apps that utilize BLE for smart devices would be highly beneficial to the project. If you feel y...

I'm in need of a PHP developer to handle a variety of tasks related to both web development and database management. Your skill set should include PHP and experience in working with SDKs and APIs. Ideally, your expertise aligns with the following requirements: - PHP Web Development: You should be proficient in PHP and capable of working on web development projects. - Database Management: You'll be expected to handle database management tasks, so experience in this area is a plus. - SDK and API Integration: While the specific SDKs and APIs have not been detailed, having experience in integrating SDKs and APIs is desirable. Your understanding of these areas will be crucial in delivering quality work for this project.

I'm looking for an experienced WordPress developer to build an e-commerce website for me. The site will feature container homes and tiny homes, provide images of each house that the user could use to see the house. Key Requirements: - The user should be to see pricing plans, and 8 standard container home models. Each of this models should have at least 8 images.(These would be provided by me.) - When it’s time to purchase, the user is to be referred to me via email or phone number to me, who will then send over the payment details to the user, but nonetheless, the unit should look like it’s on sale, so when the user tries a purchase, a billing is sent to me with all the units the user has added to cart. - There will also be an about page to talk about the company (...

I'm looking for someone with a LinkedIn account who can make 10 free job posts per month to LinkedIn on my behalf and respond to applicants. This takes me about 10 minutes per post. So 1.5 hours work per month. Once every 3 days, you will make a post (copy/paste mine), respond to applicants close the job post a new one. I need you to prove you can do this by making a post on LinkedIn for our company first. We don't benefit from this -- but it does prove that you account is not blocked from doing it as some nations are blocked by LinkedIn unless they verify with credit card. If you read all this include 88730 in your reply. Be aware, if you bid a price I will not accept any negotiation on that price if I reach out to you. Bid carefully. You do not need to write...

I'm looking for someone with a LinkedIn account who can make 10 free job posts per month to LinkedIn on my behalf and respond to applicants. This takes me about 10 minutes per post. So 1.5 hours work per month. Once every 3 days, you will make a post (copy/paste mine), respond to applicants close the job post a new one. If you read all this include 88730 in your reply. Be aware, if you bid a price I will not accept any negotiation on that price if I reach out to you. Bid carefully. You do not need to write the posts; I have everything prepared for you. Once you send a single message to the applicants you never need to message them again. I have a whole lot of people already doing this on a regular basis, so you'll be joining a team. Not that you have to interac...

We are looking for a Node.js, Playwright, and Puppeteer developer to work on our existing project. The candidate will be responsible for writing custom drivers to download data from specific sites. This is a long-term job opportunity. Fully remote work with flexible hours. Starting wage of $1000 per month, with potential increases based on performance and skill. The standard working week consists of 40 hours with 2 days off. Initial Proposal Requirement: Include the phrase “I AM A VERY GOOD HUMAN” at the beginning of your proposal to confirm that you have read and understood all the requirements.

need seo experts/developer to fix google search console/SQL index issue. we have many pages not indexed on gsc, need seo experts/developer to fix it. I'm currently facing an issue with pages on my website not being indexed and therefore not showing in Google's SEO results. It's crucial for the successful completion of this project to have these pages visible on Google again. Ideal candidates for this task should have: * Extensive experience with Google Search Console * Proven expertise in resolving indexing issues * A deep understanding of SEO best practices Please include your past work related to resolving such issues in your application. A detailed project proposal would certainly be a plus. Prompt completion is advantageous, although a precise timel...

I'm seeking an experienced PHP Symfony developer with expertise in Doctrine ORM and MySQL, to help build various functions within our SaaS. - Objective: The main goal of this project is to build up several functions within our existing SaaS platform. - Design Guidelines: You are required to follow specific design guidelines that are already in place for this SaaS platform. Ideal Candidates: - Proficiency in PHP and Symfony with a focus on building and extending SaaS platforms. - Experience with Doctrine ORM and MySQL is a must. - Strong understanding of security principles especially around key/token use. - Experience building headless systems that are for integration with over API. - Ability to follow existing design guidelines while implementing the required functions. - P...

I am in need of an experienced LAMP stack developer to build a new website from scratch. The project will involve handling both front-end and back-end development, as well as database management. Key Responsibilities: - Front-end development: Crafting a visually appealing and user-friendly interface. - Back-end development: Building the necessary server-side logic. - Database management: Ensuring that the site's data is stored and accessed efficiently. The developer should have a strong understanding of Laravel, as the website will be primarily built using this framework. Ideal Skills and Experience: - Proficiency in LAMP stack development. - Extensive experience with Laravel. - Proven capability in front-end development. - Strong understanding of database managemen...