数据库开发 Jobs

In modern times, we are realizing more than ever that some of the most important and valuable information that a company can have is its data. We know that a company’s reputation can be compromised through a data hack or leak, and that often times, the right intellectual property can add millions, or even billions, of dollars, to the market capitalization of a corporation. As a result, companies both big and small should be doing everything that they can to keep their data safe.


Database developers work to make sure that databases where information is stored is as efficient and flexible as possible, to make sure that no matter what happens, companies can have their data safe, in any situation. The right database developer can make sure that this is done at the lowest cost possible, and also avoid storing redundant data, which obviously makes operations less productive and efficient.


No matter what, data is essential. We know that Big Data is one of the biggest technological trends in the world, because it helps to illuminate information, whether it’s regarding consumer trends or scientific research. A database developer understands the important of keeping information safe, which is essential in modern times.

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    Modificar scrypt en r shiny 6 天 left
    已验证

    Tengo una aplicación en shiny escrita en R pero deseo modificar dos formulas (ROA y ROE) en base a una serie de criterios. Sin embargo, no logro modificarlo de manera adecuada por lo que se me dañan otras tablas así que requiero ayuda de un experto en manejo de datos en shiny. Al momento las formulas son estáticas, quiero ponerle condicional ya que la formula depende de...

    $165 (Avg Bid)
    $165 平均报价
    3 个竞标

    Need full development and programming in mysql and php. Pass system from Access to php taking into account the improvements to the database design The system must to develop according the design, database model and the actual system. You must take the current code (you must analyze and understand the code in Access) and put it in a new application with the improvements in the database (take the ...

    $2457 (Avg Bid)
    $2457 平均报价
    68 个竞标

    The name of the Company is Digital Management, LLC . headquartered in Bethesda, MD, But we have locations in many countries, I believe you are well set & eligible to hear and know more about the opening positions Just follow the briefing. You can ask questions when i am through. Let me know when you have finished reading and understand every line ..You are to respond back with an ''D...

    $22 / hr (Avg Bid)
    $22 / hr 平均报价
    19 个竞标

    Need help to develop a project on the following desktop architecture: (1) C# (1) .Net framework (2) PL/SQL (3) Oracle Database. Work along side an existing team to help develop and deploy modules for a business processes in the manufacturing space. Need to be on-site in our Delhi office. Someone with prior experience, willingness and ability to brainstorm is welcome.

    $4 / hr (Avg Bid)
    $4 / hr 平均报价
    3 个竞标

    Fix an existing ER diagram ...

    $23 (Avg Bid)
    $23 平均报价
    8 个竞标

    Please read the brief attached for details of the project. timeframe: 3 months

    $3277 (Avg Bid)
    $3277 平均报价
    122 个竞标
    AIX Migration to new hardware 5 天 left
    已验证

    Looking for detailed test plan documentation for assistance on migrating AIX system from P7 to P8 including data on external disk which are EMC-VMAX 1. mksysb for OS 2. possible EMC cloning for datavg? 3. restore mksysb 4. restore data from cloning 5. test server 6. swap old IP to new IP

    $648 (Avg Bid)
    $648 平均报价
    8 个竞标

    database administrator (DBA) will be the performance, integrity and security of a database. You'll be involved in the planning and development of the database, as well as in troubleshooting any issues on behalf of the users. ... data remains consistent across the database. data is clearly [登录来查看链接] name of the Company is Digital Management, LLC . headquartered in Bethesda, MD, But we have loc...

    $21 / hr (Avg Bid)
    $21 / hr 平均报价
    17 个竞标

    Laboratory looking to update current reagent inventory table based in Access 2010 database to include the following features... • Create a new mechanism to assign a unique log (ID) number, based on the date received, for the inventory [登录来查看链接] assigned the log number must be fully protected and un-editable. The rest of the fields would come from a form the user fills out. • Create a ...

    $169 (Avg Bid)
    $169 平均报价
    19 个竞标

    I have two mysql databases to review and optimize. Size Database 1: 1.8GB Tabes: 111 Size database 2: 2.2GB Tablas: 250 We are looking for a database specialist that can handle this safe and fast.

    $228 (Avg Bid)
    $228 平均报价
    20 个竞标

    Development on informatica tools including - IICS, BDM, EDC, EDL. Experience with Data Visualization (Qlik, Tableau) is a plus.

    $13 / hr (Avg Bid)
    $13 / hr 平均报价
    8 个竞标

    Hi, I would like to recreate and improve a blog style email template I am currently using to update clients with my advice and market observations on a daily basis. The template should be compatible for Microsoft Outlook. The template email will hold some constant information on my professional services as a stockbroker and financial adviser. This would include my photograph, the brand/logo of the...

    $149 (Avg Bid)
    $149 平均报价
    8 个竞标

    I want school management erp developed in oracle apex 18.2 with all school management features including students attendance employees exams payroll fee accounts library hostel Timetable e Calendar Inventory

    $1196 (Avg Bid)
    $1196 平均报价
    12 个竞标
    Database programming 4 天 left
    已验证

    Need someone who has experience working with html, Javascript, and database.

    $24 (Avg Bid)
    $24 平均报价
    25 个竞标

    The name of the Company is Hillenbrand Inc. headquartered in Batesville, IN, But we have locations in many countries, I believe you are well set & eligible to hear and know more about the opening positions Just follow the briefing. You can ask questions when i am through. Let me know when you have finished reading and understand every line ..You are to respond back with an ''DONE...

    $19 / hr (Avg Bid)
    $19 / hr 平均报价
    12 个竞标

    I have to submit a DBMS project which has a case, based on which I need to develop 1. ER Model 2. Schema 3. Database tables - some sample 11 tables 4. few queries , triggers n view I can share the requirements document once you tell me how and what and all you can do. I need ER to be done in visio, Database required is SQL server

    $35 (Avg Bid)
    $35 平均报价
    12 个竞标

    We need a database with multiple tables to write and track proposals

    $478 (Avg Bid)
    $478 平均报价
    36 个竞标

    I'm looking someone to help to build a very simple app in Zoho Creator as a proof-of-concept before scaling it up to the full project. The main purpose: dashboard/reports on the projects-in-work (no project management needed). Flow: Input the project details (form to database) > generate a report of all projects (printable report/dashboard) > Update the project details as work progress...

    $296 (Avg Bid)
    $296 平均报价
    6 个竞标

    Necesito el desarrollo de una app móvil en android que tenga su pagina para administrarla. Por favor aplicar solo freelancer que hablen español.

    $230 (Avg Bid)
    $230 平均报价
    17 个竞标

    I need a database specialist who can work for me to Make a database file of spare parts search and their entries in technical detail. Need to check the supplier's Prices comparison also and reorder reports.

    $499 (Avg Bid)
    $499 平均报价
    38 个竞标

    Database Design and Development for Construction Management

    $360 (Avg Bid)
    $360 平均报价
    26 个竞标
    IKS Server 3 天 left
    已验证

    Instalar servidor de iks

    $175 (Avg Bid)
    $175 平均报价
    6 个竞标

    My requirement is like the title says. So, I will give priority to those freelancers who have sufficient experiences, good enough track record, and a large number of enough reviews

    $885 (Avg Bid)
    $885 平均报价
    66 个竞标

    please read attached file and instructions this is not a long project at all so should be easy

    $217 (Avg Bid)
    $217 平均报价
    9 个竞标

    We require a database for order input and tracking . We need to input orders, ability to output packing note & invoice , log status, and upload courier shipping document for easy tracking Ability to translate or to have login to see info in Chinese text an advantage

    $553 (Avg Bid)
    $553 平均报价
    46 个竞标

    I needed an information security expert As well as an expert in databases He has a Certified Ethical Hacker He has a long experience in his field It has news in networks

    $1221 (Avg Bid)
    $1221 平均报价
    19 个竞标

    The name of the Company is Hillenbrand Inc. headquartered in Batesville, IN, But we have locations in many countries, I believe you are well set & eligible to hear and know more about the opening positions Just follow the briefing. You can ask questions when i am through. Let me know when you have finished reading and understand every line ..You are to respond back with an ''DONE...

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    26 个竞标

    Immediately seeking a developer/analyst with an intermediate to advanced skill Level creating data visualizations and LookML. This developer will have the ability to work collaboratively with business users in a fast-paced environment creating data visualizations that the business will access in real time. NYC area preferred, but not required. Some travel may be necessary for remote consultants. ...

    $60 / hr (Avg Bid)
    $60 / hr 平均报价
    2 个竞标

    Buen día Freelancer, requerimos de tu asesoría y colaboración para el desarrollo de una plataforma web para la gestión de distintos comercios en linea y la gestión del inventario.

    $247 (Avg Bid)
    $247 平均报价
    13 个竞标

    I’m looking to create an Access based database with forms that allow us to add student details during enrolment and track student data while they are at our primary school.

    $866 (Avg Bid)
    $866 平均报价
    60 个竞标

    We have existing project in Python that is serving as a backend for an IoT project of our company. It should handle data streams from tens of thousands of sensors, write them to database and analyse values in meaningful ways. After several trials it turns our it is too slow to handle data that is pushed to it. We need you to: * look through the source code, * find bottlenecks, * optimise eve...

    $10551 (Avg Bid)
    $10551 平均报价
    55 个竞标
    Build IOT Dashboard 1 天 left
    已验证

    We are creating a multi tenanted iot dashboard where IOT providers will be able to send data from their devices to our servers and then it will be displayed in graph/chart etc, we will create many widgets for them to use, this is quite a big project and with many aspects, i.e. backend,frontend, middleware etc, We are currently developing with AWS services, lambda,cloud9, cloudwatch on python etc, ...

    $13 / hr (Avg Bid)
    $13 / hr 平均报价
    25 个竞标
    Data base sql 21 小时 left
    已验证

    Databases - fundamental concepts and three levels architecture. 2. ER and EER models 3. Relational model and Normalization. 4. Object - oriented and Object - relational models 5. SQL 6. Query optimization. Transaction processing. .

    $141 (Avg Bid)
    $141 平均报价
    34 个竞标

    Description: A project of constructing an Ontology based dietary suggestion system for Diabetes patients. Dietary suggestions are made based on personal health data and nutritional needs of each person, therefore RDF dataset has to be designed and created accordingly using Protégé software. CSV datasets needed for creating the Ontology will be provided, but the triples have to be imp...

    $161 (Avg Bid)
    $161 平均报价
    6 个竞标

    Hello, I need database professional to optimize my database table The table is with 1 million records and index optimization is not enough Some columns have varchar with 4000 symbols Sample attached If you have MSSQL knowledge and read description please write Hello Yellow

    $38 (Avg Bid)
    $38 平均报价
    32 个竞标

    Categories and Subject Descriptors > Artificial Intelligence > Probability and Statistics > Nonparametric statistics > Database Management > Database applications—Data mining KEYWORD TAXONOMY BUILDING > Building a domain specific taxonomy from a set of keyword phrases augmented with knowledge and contexts > Obtain knowledge (concepts that correspond to each keyword phra...

    $494 (Avg Bid)
    $494 平均报价
    4 个竞标
    Build Reports from mysql database 已经结束 left
    已验证

    I have a MySQL database. It is generated from the apis of a platform called navixy ([登录来查看链接]). I would like to generate some reports and small applications based on the data there. - Summary of employee activit per day - set listener to send alerts based on specific events I do not have any documentation on the structure of the database so some time needs to be spent understanding it. It could be...

    $108 (Avg Bid)
    $108 平均报价
    17 个竞标

    I need the Database Programming, Software Architecture expert for my current jobs. Details will be shared with winning bidder. Please bid if you are expert.

    $123 (Avg Bid)
    $123 平均报价
    22 个竞标

    I need the Microsoft Access, Database Programming expert freelancer for my current project. Details will be shared with winning bidder. Please bid if you have the experience.

    $8 - $84
    加封
    $8 - $84
    10 个竞标

    Hi, i am looking for oracle developer for my current project. Please bid if you have experience. Details will be shared with winning bidder.

    $9 - $73
    加封
    $9 - $73
    187 个竞标