WebFeb 22, 2012 · answered Feb 22, 2012 at 13:53. Rob. 1,235 2 19 44. Add a comment. 4. SELECT user_id, UserName, last_login = MAX ( [datetime]) FROM dbo.table GROUP BY … Web[英]SQL: Query 2 tables to get latest date for each record Mariell 2013-05-13 20:27:49 1286 3 sql / vb.net / ms-access
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WebMar 7, 2024 · A. Return maximum value from a list of constants. 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. SELECT GREATEST('6.62', 3.1415, N'7') AS GreatestVal; GO. Here is the result … WebJun 7, 2024 · This should do it. row_number() and a join . If you don't have a good sort you have to hope only one of the Q3 is not null. declare @t TABLE (cat CHAR(1), t CHAR(2), val1 INT, val2 CHAR(1)); INSERT INTO @t VALUES ('A','Q1',2,NULL),('A','Q2',NULL,'P'),('A','Q3',1,NULL),('A','Q3',NULL,NULL), …
WebFeb 10, 2024 · In this article Summary. The optional GROUP BY clause groups the rows based on the provided expression list into groups that then can be aggregated over with the built-in and user-defined aggregators.It offers an optional filter clause with HAVING that will filter the rowset at the group level. WebOct 27, 2024 · Note, bbaird makes a very fair comment that if you have the case where the same Person has two different rows with the same exact MeetingDate then my previous queries above are non-deterministic and could return a different ID from within that same MeetingDate and Person grouping, each time the query is executed.. For example, if there …
http://duoduokou.com/sql/62080637202432256006.html WebExample - Using MAX function Finally, let's look at how we could use the HAVING clause with the SQL MAX function. For example, you could also use the SQL MAX function to return the name of each department and the maximum salary in the department. The SQL HAVING clause will return only those departments whose maximum salary is less than $50,000.
WebSELECT last_name, MAX(salary) AS "Highest salary" FROM employees GROUP BY last_name HAVING MAX(salary) > 34000; This HAVING clause example uses the MAX function to return the last_name of the employee and the maximum salary for that last_name value. The SQL Server HAVING clause will return only those last_name values whose maximum …
WebProblem: List customer with average orders between $1000 and $1200. SELECT FirstName, LastName, CONVERT(DECIMAL(10,2), AVG(TotalAmount)) AS 'Average Order' FROM [Order] O JOIN Customer C ON O.CustomerId = C.Id GROUP BY FirstName, LastName HAVING AVG(TotalAmount) BETWEEN 1000 AND 1200. Try it live. Note: CONVERT formats the … karman contractingWebApr 2, 2024 · SELECT product, substring_index (group_concat (price order by date desc), ',', 1) as PriceOnMaxDate max (date) FROM table GROUP BY product; Another way, that … karman credit checkWebAug 19, 2024 · SQL MAX () in where. Sample table : customer. To get data of 'cust_country' and maximum 'outstanding_amt' from the 'customer' table with following conditions -. 1. … karma nail wrap reviewsWebSql 按操作从组中选择最大计数,sql,select,sql-server-2008-r2,group-by,max,Sql,Select,Sql Server 2008 R2,Group By,Max karman cabinets bathroomWebApr 14, 2024 · The sample output clearly illustrates how a query submitted by session_id = 60 successfully got the 9-MB memory grant it requested, but only 7 MB were required to … karman electric wheelchairWebGROUP BY UNPVT.[DataBase] HAVING MAX(UNPVT.MaxLastUse) IS NOT NULL ORDER BY MAX(UNPVT.MaxLastUse) ASC; SELECT name, create_date AS 'Created on', 'Not used since last instance start', ( SELECT create_date FROM sys.databases WHERE database_id = 2 ) AS 'Instance start date' FROM sys.databases law school resitWebAug 15, 2010 · If a train has only one destination, then just add the destination column to your group by clause, otherwise you need to rethink your query. Try: SELECT t.Train, t.Dest, r.MaxTime FROM ( SELECT Train, MAX (Time) as MaxTime FROM TrainTable GROUP BY … karman ergo flight wheelchair