Name: Database optimization Experts Online: Code Help & Mentorship
Brand: Codementor
Rating: 5 (6344 reviews)

Database optimization

Get help from vetted Database optimization experts

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K M Rakibul Islam

US$35 / 15 mins5.0 (2517 reviews)

★Top Ruby on Rails Mentor since January 2016 (100 months in a row!)★

Experienced (15+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,585+ 5 ★ sessions/jobs. 8+ year...

DatabaseRuby on Rails Ruby API React JavaScript Heroku GraphQL Git RSpec PostgreSQL AWS (Amazon Web Services)MySQL Elasticsearch Stripe OmniAuth Redux Reverse Engineering Webpack React Native Sinatra React with redux npm React ApolloObjection fridaCharles proxy OAuth Selenium Cloud Hosting Redis React Router BDD Test driven development Bash Devise Shopify RubyGems Elastic Load BalancerReact on railsReact rails Omniauth linkedin Omniauth githubOmniauth twitterOmniauth google oauth2Omniauth facebook Webhook Stripe api Stripe ruby Stripe Payments MySQL OptimizationJquery selectors jQuery AJAX SNS Amazon SNS Amazon S3 Amazon EC2 Heroku addons Git webhooks Git rebase GitHub Flow Git pullrequests Git branch Git flow Git merge GitHub Actovemodel serializer Jbuilder Grape api Grape Serialization Rspec2 Rspec3 RSpec for Rails Factory girlRuby minitestMinitest NokogiriDropzone RailsDropzone.jsAdministrate Rails admin Rails migrations Rails postgresql Rails 5 Youtube data api YouTube API Capistrano CapybaraHighchartHighchartsGmap4railsGmaps4railsActive shippingBugsnagClient side validationsAws sdk Cancancan Instagram api Kaminari Factorygirl Active record BraintreeMysql2Jwt Active admin Rubocop Rails API Rails Console Railsadmin Sidekiq Papertrail CanCan Delayed job Pundit Rails Asset Pipeline BootstrapInstagramSimple form Actionmailer Carrierwave Bundle Paperclip Authorization Client server Rails ActiveRecord OOP (Object-Oriented Programming)Cache Es6 Auth Rails 4 OAuth 2.0 New Relic Aws elastic beanstalk Security software Web Application

Stefan Georg

US$35 / 15 mins5.0 (1828 reviews)

Efficient Senior Full Stack Software Developer

I've been coding since age of 15, starting with perl, moving to php, and finally to python. I've been a freelancer working in the US, New Zealand, Vietnam, and now working in Germa...

DatabaseVue.js JavaScript Server Linux PostgreSQL MySQL jQuery Django Python Apache HTTP Server Web Application Node.js npm PHP Nginx Debian Ubuntu Vagrant SQL Queries Query OptimizationSetup AJAX Vuejs2 React

Mihai Solomon

US$15 / 15 mins5.0 (377 reviews)

Software developer

Experienced Developer with a demonstrated history of working in the marketing and advertising industry. Skilled in iOS, SQL, PHP, Objective-C, and jQuery. Strong engineering profes...

syed saqib ghawas

US$25 / 15 mins4.9 (299 reviews)

Senior database ,Data ware house ,ETL and BI developer

Hello I have been working in the market for the past 10 years. in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools. Have knowledge of mu...

Doug Gale

US$20 / 15 mins5.0 (319 reviews)

Senior developer with decades of experience in multiple fields

Started programming at age 12 in 1988 on a Commodore VIC-20. Extremely adept at debugging of all kinds, performance optimization, databases, embedded systems, operating systems, ne...

DatabaseJavaScript HTML5 C++PHP CMake GCC C#WinAPI Win32 Debugging Assembly X86 64 x86 Microcontroller Performance Testing Operating Systems AWS (Amazon Web Services)SQL Python Auth Qt 5 Performance OptimizationAsync.js RESTful Web Services Jquery animate Separation of concerns Modularity Csrf Google Chrome DevTools Cross-Site Scripting Unit Testing Node.js RequireJS jQuery UI CSS AJAX HTML/CSS HTML jQuery Security software Windows Application Makefile LINQ (Language-Integrated Query)ASP.NET Concurrent Programming Os development Linux FuzzingStress testingData Analysis Automation Reporting Continuous Integration Callgrind ValgrindWindows performance toolkitXperfEmbedded Systems Raspberry Pi Arduino C Pic AVR Kernel Systems ProgrammingIntrinsicsSimd IeeeMicroarchitectureFloating point Ieee 754 Calling conventions Code Generation Ms assemblyAtt assemblySchedulingAtt assembyGDB Virtualization Remote Debugging WinDbg Unicode API GUIIlGenerics WinForms Compiler Construction Tooling Visual Studio Qt Creator Prepared statement phpMyAdmin MySQL Qt Qt4 Atomic C++11 CSS Animation Html5 history HTML5 Video SPA

Within 15 min, I was online with a seasoned engineer who was editing my code and pointing out my errors … this was the first time I’ve ever experienced the potential of the Internet to transform learning.

Tomasz Tunguz

Venture capitalist at
Redpoint Ventures

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Jonathan Eunice

US$30 / 15 mins5.0 (340 reviews)

full-stack Python & JavaScript ● IT architect & strategist ● DevOps ● smokejumpe...

• Expert full-stack Python & JavaScript developer • Full DevOps: project architecture to production deployment at scale (whether VMs, Docker containers, cloud services, or on-prem)...

DatabaseFull Stack DevOps D3.js Python Cloud Server JavaScript HTML/CSS Document Management Testing DebuggingHuman Factors EngineeringC Java Es6 Docs WebSocket Web Development Travis CI Querying Python 3 Python 2 Performance OptimizationPandas Express.js Community management Clustering AWS (Amazon Web Services)Apache MavenZonesKubernetes Swarm Containers Docker C#C++Kotlin Visualisation GUI Object-Relational Mapping Framework Embedded Systems IBM DB2 CSS BehaviourAuotmationJSON HTML XML PDF Test driven development Node.js npm Istanbul Underscore.js Babel Comet AJAX jQuery Dynamic language Fault tolerant Economics InterconnectAvailabilityReliabilityRasConverged infrastructureConsolidationBlade Rack Benchmarking Cluster Computing Billing Automation Provisioning Orchestration Virtualization OpenStackAuto scaleNoSQL Grid Analytics Big Data HPC HyperscaleItaasXaasPaaS IaaS Python Unicode Lxml Pypy Sphinx Modules Setup.py Tox PyPI Interactive SVG Data Visualization DevelopmentHybrid CloudMonitoring API Multi lingual Multi platform Integration Multi-Tier Architecture Tiers SQLite MySQL Couchbase MongoDB ObjectsDistributionReplication ETLNonstop sqlBlobCassandra OOP (Object-Oriented Programming)Data store SQL Teradata Oracle Lifecycle Application Lifecycle ManagementAdoptionChasmOrganizational dynamics CultureEcosystemFailure modesLogging InstrumentationAssertionDefensive drivingReflectionIntrospectionProfiling Compiler ConstructionAotJitAlgorithm Continuous Integration BDD pytestTransformationText MarkdownOpen document formatDynamic CDN XHTML Stylesheet Chai Mocha Browserify

Abhishek Gupta

US$19 / 15 mins5.0 (252 reviews)

I believe in Quality, User experience & performance!

I've been working for prestigious companies as a developer for 8+ years. Worked in domain of cloud, database, algorithms & data structure. If your issue isn't resolved, I'll refu...

DatabaseRuby on Rails SQL Java Git Ruby Data structure Algorithm AWS (Amazon Web Services)Azure Packer WordPress SEO HTML/CSS Linux Windows Application Application Insights Excel Perl Android Regex WordPress Theme Customization Rails 4 Microsoft SQL Server Java 8 Back-End Android SDK Android Layout Android Studio GitLab Ruby on rails3 WinForms Reverse Engineering API MySQL OptimizationMySQL PostgreSQL Merging JavaScript Setup HTML5 Apache Hadoop Selectors CSS Microsoft Excel 2013Excel 2016Excel 2010 Design JSON Gson HamlAzure application insightsGit pullrequests Gemfile jQuery UI jQuery Mobile jQuery SQLite SQLite 3 Windows Phone Windows Server Windows 10 Pagespeed Pagerank HTML AJAX Aws sdk ruby Aws sdk Amazon EC2 Aws ami AWS VPCVhdPacker TemplatePacker AwsPacker AzureAmiGemsetBundler Rvm RubyGems Design ArchitectureCloud OsCentOS Ubuntu Git merge Git branch Version control GitHub Java7 Database Schema Rails 5 Rails ActiveRecord Rails API

Daniel Povolotski

US$38 / 15 mins5.0 (175 reviews)

Co-Founder & CTO of Nobilitix, 5-star codementor

I run a little company named Nobilitix. Been mentoring my own developers for quite a while. Enjoy solving problems and finding new challenges.

Ojo Oluwaseun Joseph

US$15 / 15 mins5.0 (153 reviews)

Full Stack Web Developer, DevOps Engineer and a passionate Mentor.

Hi, I'm glad you're here! I'm a Technical lead with hands-on experience in Javascript, PHP, Nodejs, and React for the past 9 years coupled with a great amount of DevOps experience....

Aniroodh Parashar

US$15 / 15 mins5.0 (84 reviews)

Tech Architect with 8+ years of experience in full-stack web development and ser...

Software Engineer with 8+ years of experience in web development, backend development, and server architecture. Expertise in building and maintaining various web/backend solutions,...