For example if you take MySQL, PostgreSQL, MSSQL and SQLite. Do they all share the same exact language for select, insert, update, delete? Do they all share a base set of types like mediumint, text and varchar?
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For example if you take MySQL, PostgreSQL, MSSQL and SQLite. Do they all share the same exact language for select, insert, update, delete? Do they all share a base set of types like mediumint, text and varchar?
There’s a clear SQL standard, which all compliant SQL implementations should comply.
See this comparison, of the different things that each database implements.