All Services Programming & Development Sql queries $10/hr · Starting at $30 Knowledge in SQL structured query language. SQL is used to store and retrieve the data from the database. About $10/hr · Ongoing Download Resume Knowledge in SQL structured query language. SQL is used to store and retrieve the data from the database. Skills & Expertise SQL 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts CSS DevelopersMicrosoft Excel ExpertsHTML DevelopersMicrosoft Office ExpertsSQL Developers