Standard SQL
Standard SQL (Structured Query Language) is a standardized programming language used for managing and manipulating relational databases. It provides a consistent syntax for querying, updating, and defining data structures, ensuring portability across different database systems. The standard is maintained by organizations like ANSI and ISO, with versions such as SQL:1999, SQL:2003, and SQL:2016 defining core features.
Developers should learn Standard SQL to write database-agnostic queries that work across platforms like PostgreSQL, MySQL, and SQL Server, reducing vendor lock-in and improving code maintainability. It is essential for roles involving data analysis, backend development, or any application that interacts with relational databases, as it ensures compliance with industry best practices and interoperability.