connect_to_sqlite('https://vanna.ai/Chinook.sqlite') # STEP 04: Ask a question vn.ask('What are the top 10 artists by sales?') 📃 sql query 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SELECT a.name, sum(il.quantity) as totalsales FROM artist a INNER JOIN album al ON a...
. Return the SQL query ONLY. Do not include any additional explanation.提示输入OpenAI API playground和生成的SQL代码。以下是我运行建议的SQL时的结果：sqldf("SELECT Division, MAX(PctChange_2020) AS Highest_PctChange_2020, MIN(PctChange_2020) AS Lowest_PctChange_2020 FROM states GROUP BY Divisi...
SELECT * FROM student_scores WHERE 'Math' = ANY(subjects); -- 字符串未加引号 -- 正确写法 SELECT *FROMstudent_scores WHERE 'Math' = ANY(subjects::VARCHAR[]); -- 错误2:多维数组越界 SELECT matrix[3][3]FROMmatrix_data WHERE id=1; -- 超出维度范围 -- 错误3:NULL值处理 SELECT array_le...
SELECT子句是用户指定要返回到查询结果表中的属性(列)的地方。用户可基于所查询表的属性,在SELECT列表中建立表达式。 SELECT子句是在FROM、WHERE、GROUP BY和HAVING子句之后处理的,这意味着SELECT子句中分配给表达式的别名,不会存在于之前的SELECT相关子句中。 例如以下语句是错误的 SELECT orderid, YEAR(orderdate) AS...
Absolute path URL with query string Access Connection String from Class Library Access denied for web.config file Access Downloads folder in Client machine from asp.net web application. Access files from .bin folder in ASP .NET Web application Access hidden value from View to Controller access la...
SELECT city,MAX(grade) FROM customer GROUP BY city; ValidateSubmitReset For more Practice: Solve these Related Problems: Write a SQL query to find the highest grade of customers in the city 'Berlin'. Write a SQL query to find the highest grade of customers who are assigned to salesman ID...
The process of selecting one execution plan from potentially many possible plans is referred to as optimization. The Query Optimizer is one of the most important components of the Database Engine. While some overhead is used by the Query Optimizer to analyze the query and select a plan, this...
The following example returns the maximum value from the list of constants that is provided. The scale of the return type is determined by the scale of the argument with the highest precedence data type. SQL კოპირება SELECT GREATEST('6.62', 3.1415, N'7') AS Gr...
SELECT wt.session_id, wt.wait_type , er.last_wait_type AS last_wait_type , wt.wait_duration_ms , wt.blocking_session_id, wt.blocking_exec_context_id, resource_description FROM sys.dm_os_waiting_tasks wt JOIN sys.dm_exec_sessions es ON wt.session_id = es.session_id JOIN sys.dm_...
A value of0means dynamic sampling will not be done. A value of1(the default) means dynamic sampling will be performed if all of the following conditions are true: There is more than one table in the query. Some table has not been analyzed and has no indexes. ...