A Basic SQL Knowledge Developer is primarily responsible for managing and manipulating databases using Structured Query Language (SQL). SQL is the standard language for relational database management systems, and a basic knowledge in SQL is essential for developers working with data-driven applications. Here's what a Basic SQL Knowledge Developer typically does: . **Database Creation**: Developers create databases according to an organization's requirements. They define the structure of the database, including tables, fields, data types, indexes, and constraints. . **Data Manipulation**: They use SQL to insert, update, delete, and retrieve data stored in a database. This involves writing SQL queries, which can range from simple commands to fetch data from a single table to complex queries involving multiple tables. . **Data Analysis**: Developers use SQL to analyze data, generate reports, and provide insights to stakeholders. This includes writing complex SQL queries to perform tasks such as data aggregation, sorting, filtering, and joining multiple tables. . **Database Maintenance**: They ensure that databases run efficiently by performing tasks such as optimization, backup, and recovery. They also monitor the performance of databases and make necessary adjustments to improve efficiency and storage. . **Data Security**: Developers use SQL to implement security measures to protect sensitive data. This includes defining user permissions and roles, as well as implementing encryption and other security protocols. . **Troubleshooting**: When issues arise, developers use their SQL knowledge to troubleshoot and resolve them. This may involve debugging SQL queries, resolving performance issues, or fixing data integrity problems. . **Database Design**: Although this is typically more advanced, even at a basic level, developers may be involved in designing the database schema. This involves understanding the data needs of the application, and designing tables and relationships to efficiently store and retrieve data. . **Integration**: Developers use SQL to integrate databases with other applications. This often involves writing SQL scripts or stored procedures that can be invoked by the application to perform database operations. Overall, a Basic SQL Knowledge Developer plays a crucial role in managing and utilizing an organization's data effectively. They should be proficient in SQL syntax, understand relational database concepts, and be able to write and debug SQL queries.