SQLstandardien

SQLstandardien is a term used to describe the set of standards that define the SQL (Structured Query Language) language. These standards are developed and maintained by the International Organization for Standardization (ISO) and the American National Standards Institute (ANSI). The primary goal of these standards is to ensure consistency and interoperability among different SQL database management systems.

The first SQL standard, SQL-86, was published in 1986. Since then, several revisions have been made to incorporate new features and improve existing ones. The most recent major revision is SQL:2016, which includes enhancements for JSON data, improved window functions, and better support for temporal data.

The SQL standards cover various aspects of SQL, including data definition, data manipulation, data control, and transaction management. They also specify the syntax and semantics of SQL, ensuring that SQL queries and commands are interpreted consistently across different database systems.

Adherence to SQL standards is important for database developers and administrators. It allows them to write portable SQL code that can be executed on any compliant database system. This portability reduces the risk of vendor lock-in and makes it easier to switch between different database management systems.

However, not all database systems fully comply with the SQL standards. Some systems may implement only a subset of the standard or may include proprietary extensions that are not part of the standard. This can lead to differences in behavior and functionality between different systems.

In summary, SQLstandardien refers to the standards that define the SQL language. These standards are crucial for ensuring consistency and interoperability among different database systems. While adherence to these standards is important, it is also necessary to be aware of the limitations and differences that may exist between different systems.