sql-standards
Is TRUNCATE a DML statement?
Can we classify/say that TRUNCATE belongs to/falls under DML statement? Check here for PostgreSQL TRUNCATE compatibility.[详细]
2023-01-13 09:28 分类:问答Why do I need to explicitly specify all columns in a SQL "GROUP BY" clause - why not "GROUP BY *"?
This has always bothered me - why does the GROUP BY clause in a SQL statement require that I include all non-aggregate columns? These columns should be included by default - a kind of \"GROUP BY *\" -[详细]
2022-12-29 21:17 分类:问答Plain SQL vs Dialects
DBMS Vendors use SQL dialect features to differentiate their product, at the same time claiming to support SQL standards. \'Nuff said on this.[详细]
2022-12-15 16:33 分类:问答