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* refactor: clean to roadmap content * refactor: move shared helpers into scripts/lib
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SQL
SQL, or Structured Query Language, is the standard language for interacting with relational databases. It is used to create, read, update, and delete records, and to define the structure of tables and their relationships. FDEs regularly need to query customer databases, understand data models, and sometimes debug or optimize slow queries as part of investigating production issues.
Visit the following resources to learn more: