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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    36 搜到的工作,价格货币为 HKD

    A small oracle sql database project about a computer management system with 5-7 entities, one of them is weak entity and a couple of multiple variables. I need an ER diagram, relational schema. The project should have tables with some info with 10 tuples per relation and 10 transactions to query the database ( the queries should be in sql. Then you have to normalize the database based on the BCNF ...

    $1417 (Avg Bid)
    $1417 平均报价
    13 个竞标

    vorrei far sviluppare un software gestionale in outsourcing in versione nativa DESKTOP CLIENT SERVER con accessi concorrenti (no cloud o via browser) che deve trasmettere i dati ad un portale esterno tramite messaggi xml firmati con firma digitale (automatizzata senza intervento dell’utente) via webservices (xml, soap,rest, firma digitale , etc) Cerco partner di comprovata esperienza che ab...

    $55115 (Avg Bid)
    $55115 平均报价
    11 个竞标

    In my service business, I use an access database to keep track of customer equipment and repairs that my technicians do to that equipment. My database was custom written 20 years ago and includes invoicing. I want to modify the database so the techs enter job information from the field and it creates an invoice that we send out to the customer a few weeks later.

    $321 / hr (Avg Bid)
    本地
    $321 / hr 平均报价
    7 个竞标

    This is to create a tabular grid for end user to edit and update data. I'm including an Excel file with 2 tabs: 1. LIST VIEW Mimics the the underlying table, With 3 fields Code, Account, values (Code and Account are FK lookup keys, VALUE is the field the end-user would edit) 2. TABULAR VIEW Is the way the end user would use to edit Program to be written in Delphi VCL Database is...

    $235 - $1958
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    $235 - $1958
    6 个竞标
    3D Drone Survey 6 天 left
    已验证

    we want to develop a software which will use drone's SDK to embed our application and this app through tablet/mobile will able to let drone automatically takes a picture of telecom towers to be able to create 3D model after it. With this way, any person who has not experienced as a drone operator still can go to the site and let drone takes photos automatically which will be available on clou...

    $123 / hr (Avg Bid)
    $123 / hr 平均报价
    9 个竞标
    Computer Science 6 天 left
    已验证

    need an expert in computer science and MARIE program urgently Budget: $35

    $204 (Avg Bid)
    $204 平均报价
    6 个竞标

    RV Matrix is looking for a Database Freelancer who can work from the customer location to execute a Migration project. Customer is one of the MNC's . Looking for someone based in Bangalore only and need to start at the earliest.

    $11487 (Avg Bid)
    $11487 平均报价
    7 个竞标
    Build me a database system 5 天 left
    已验证

    university probably uses a course-management system such as Moodle, Blackboard, or WebCT. Implement a subset of the functionality of such a course-management system.

    $207 (Avg Bid)
    $207 平均报价
    7 个竞标

    Please reply only if you available immediately Hello I have site build in opencast few years, after bean attack a month ago by hacker, I have notice for some issue for example. in site we have 3 group first we need to understand that to buy in this site you must be a one of this group 1. wholesale have price list and 5 type of discount have unique seller id 2. NCP - who register and have only pr...

    $1339 (Avg Bid)
    $1339 平均报价
    7 个竞标
    Build a website 4 天 left
    已验证

    I need an e-commerce website for selling PC parts and assembling them. I will host the website on my own server. I will need an admin page to control the database which I will also host on my server. examples: [登录来查看链接]

    $8723 (Avg Bid)
    $8723 平均报价
    213 个竞标
    Business Information System 4 天 left
    已验证

    need an expert in database assessment and ER Diagram urgently Budget: $35

    $258 (Avg Bid)
    $258 平均报价
    14 个竞标

    I need a new website. I need you to design and build it.

    $2469 (Avg Bid)
    $2469 平均报价
    26 个竞标
    Janitor scheduling system 4 天 left
    已验证

    IoT and cloud based technology, specially designed for smart building implementation. Tracks public toilet usages to enable optimization of toilet cleaning resources, and provides toilet occupancy status updates to individual application user.

    $172 (Avg Bid)
    $172 平均报价
    2 个竞标

    I would like to hire a professional coder / database analyst in order to build one or more simple database regarding to Horse Racing data. The Project requirements are as follows: 1 - The main database should be populated from the following website: [登录来查看链接] NOTE #01: The filters applied from this website should be "GB Only" and "IRE Only". Each day contains 2 CSV f...

    $235 - $3915
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    $235 - $3915
    21 个竞标

    A small database (matrix organization) is sought in which a maximum of 10 horizontal dimensions, up to 50 listings within these 10 dimensions and the respective connections (in the background, in best case as a 3D net) are shown. See specifications, attached.

    $1464 (Avg Bid)
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    14 个竞标
    Student course plans 4 天 left
    已验证

    A website that gives the user (student) plans for their terms It will have 3 main pages One page will have information about the courses Another page will be named “help” The most important pages that will contain the plans that the user choose from

    $1159 (Avg Bid)
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    32 个竞标

    I need a site and app to manage my Padel club. With some information about the club, infrastructures, classes, location, etc Members area for courts booking management, a calendar 30 to 30 minutes with availability of each court.

    $6153 (Avg Bid)
    $6153 平均报价
    60 个竞标
    CREATION OF TRAVEL DATABASE. 4 天 left
    已验证

    Hi, I am looking for a person who can help me create the travel data base required for my company. For doing this work the person must have knowledge and interest in travel industry and also, should be able to proof read and frame sentences so that its an end product of its own. Looking for someone who can do quality work.

    $133 (Avg Bid)
    $133 平均报价
    17 个竞标

    1. OTP recognition 2. User Login (backend database connected) 3. Spin wheel game 4. One chance to spin 5. Spin results add to profile points 6. Profile in Leaderboard (Global and Facebook friends) 7. Redeem offers for accumulated points

    $1511 (Avg Bid)
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    6 个竞标

    You will be required to prepare data and have it stored in a database

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

    Hello , Only expert Looking for someone who can finish my project in 30 hours by taking the data from database extracted sql query and by using the csv from it by helping do predictions using lstm. Bid if you can finish in 30 hours and are excellent in lstm model.. Thank You

    $733 (Avg Bid)
    $733 平均报价
    6 个竞标

    Develop an Application Tracking System like SmartRecruiters / Workable Any previous experience on similar projects would be a bonus Looking to develop this as a SaaS / On-premises product

    $11706 (Avg Bid)
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    61 个竞标
    Fix python script pandas 2 天 left
    已验证

    I wrote a python script that creates a pivot table using groupby and aggregates from 8 columns defined in a list called "priority". I need the first column in the list priority to be in a separate column as in the attached screenshot(results + changes needed) The column is ITEMID and it should be outside the index created by the groupby statement and the resulting pivot table should be s...

    $266 (Avg Bid)
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    We have an Oracle database in Oracle Cloud for which we need bidirectional Golden Gate configured and schema connectivity set up. Technology Stack : 1) Golden Gate 2) Oracle 12c database 3) Oracle Cloud

    $2283 (Avg Bid)
    $2283 平均报价
    5 个竞标

    Creación de un e-commerce con importación de archivos csv facilitados por 6/7 proveedores y sincronizacion diaria de stocks, similar a estas paginas web: [登录来查看链接] ; [登录来查看链接] ; [登录来查看链接]

    $4855 (Avg Bid)
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    37 个竞标
    web database 1 天 left

    simple web database application or investigate alternative technologies for database web applications.

    $1039 (Avg Bid)
    $1039 平均报价
    6 个竞标

    FREELANCERS FROM ISRAEL ONLY Need a full stack developer in React, NodeJS, HTML5 + configuration and deployment in production for a B2C web platform (including online payment solution, multi-language, etc.) Only for independent israeli developers.

    $114992 (Avg Bid)
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    37 个竞标

    I want a website for our company SOURCING & PROCUREMENT PORTAL. The website will able to show the past purchase report from our SQL system, able to check our stock listing and send inquiry.

    $979 (Avg Bid)
    $979 平均报价
    10 个竞标
    Oracle with netbeans connectivity 10 小时 left
    已验证

    We will discuss details in chat

    $41 / hr (Avg Bid)
    $41 / hr 平均报价
    5 个竞标

    I need to be able to search a database on my server with more than 20 million records on a variety of fields, including boolean expressions, and then display the search results. Obviously, speed is a priority. If you are interested, please let me know the size of the databases that you have worked with, platform(s) and, if possible, show me a working site.

    $290 / hr (Avg Bid)
    $290 / hr 平均报价
    33 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.

    $153 - $1274
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    $153 - $1274
    35 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.

    $69 - $575
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    $69 - $575
    332 个竞标

    I need a Database Administration, Oracle expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $161 - $1339
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    $161 - $1339
    273 个竞标

    I need a Database Administration, Oracle expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $160 - $1335
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    $160 - $1335
    176 个竞标

    I need a database development expert for my current project. If you have knowledge please bid. Details will be shared in message with the selected freelancers.

    $71 - $408
    加封
    $71 - $408
    121 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.

    $153 - $1276
    加封
    $153 - $1276
    71 个竞标