模型选择了 Qwen2.5-Coder-32B-Instruct，4bit 量化 + LoRA，8 张 H100 能快速跑起来。 执行正确性：生成的 SQL 在数据库上执行，结果跟标准答案是否一致。这是唯一能反映"SQL 写对了没有"的信号。采用 F1 软评分——部分匹配的 SQL 也能拿到 0~1 之间的分数，而不是非 0 即 1。这样一条返回了 100 行中 99 行正确的 SQL 能拿到 0 ...

Well, if you happen to be using Sql Server you can do that sort of thing in T-Sql. In Oracle, you can also accomplish the same thing using pl/sql. Either way i'd do it in a stored ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

operand is one of the following: constant is a number or a quoted character string (or other special notation) that indicates a fixed value. Constants are also called literals. Constants are described ...

You don't have to give up using dynamic SQL just because you're using Entity Framework. The Entity Framework SqlQuery method will give you back the flexibility of dynamic SQL and still let you work ...

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.