SQL

what is sql? sql (structured query language) is the standard language used to interact with relational databases it provides a consistent way to query data – select statements return specific rows and columns from tables modify data – insert , update , and delete statements let you add, change, or remove records define structure – create and alter statements define or update tables, indexes, and other schema objects control access – grant and revoke manage permissions for users and applications why use sql? sql is used in nearly every modern software system that relies on structured data because it is standardized works across most relational databases (mysql, postgresql, oracle, sql server, sqlite) efficient optimized by database engines to handle very large datasets quickly readable sql statements are close to plain english, making them easy to understand, maintain, and review reliable ensures acid compliance (atomicity, consistency, isolation, durability) for safe and predictable data operations in software projects, sql is essential for connecting the application layer to persistent data storage more information postgresql documentation for sql basics postgresql documentation for sql syntax and behavior configuring a sql collector docid\ jgcek7sjj 9dntsxr9zqt